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WO2007037422A1 - Pile a combustible et dispositif electronique comprenant cette pile a combustible - Google Patents

Pile a combustible et dispositif electronique comprenant cette pile a combustible Download PDF

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Publication number
WO2007037422A1
WO2007037422A1 PCT/JP2006/319560 JP2006319560W WO2007037422A1 WO 2007037422 A1 WO2007037422 A1 WO 2007037422A1 JP 2006319560 W JP2006319560 W JP 2006319560W WO 2007037422 A1 WO2007037422 A1 WO 2007037422A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel
fuel cell
flow path
insulating layer
cell according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2006/319560
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English (en)
Japanese (ja)
Inventor
Hidekazu Otomaru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyocera Corp filed Critical Kyocera Corp
Priority to JP2007537733A priority Critical patent/JP5068658B2/ja
Publication of WO2007037422A1 publication Critical patent/WO2007037422A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H01M8/0263—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
    • H01M8/2475—Enclosures, casings or containers of fuel cell stacks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
    • H01M8/2485—Arrangements for sealing external manifolds; Arrangements for mounting external manifolds around a stack
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Definitions

  • the present invention relates to a fuel cell and an electronic device including the fuel cell.
  • Fuel cells that generate electricity by supplying fuel and oxidizing gas to electrolyte members are known! (For example, Patent Document 1).
  • a fuel cell has a pipe that forms a flow path in order to supply fuel and oxidizing gas to an electrolyte member.
  • the fuel cell of Patent Document 1 includes a lid body and a base for sandwiching an electrolyte member, and a groove is provided on the surface of the base opposite the electrolyte member to form a fuel flow path.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2004-146080
  • a fuel cell is regarded as a module having only a power generation function.
  • Various electronic components such as a DCZDC converter, a filter circuit, and an antenna are incorporated in the base of the fuel cell. It was not conceived to make the battery more multifunctional.
  • An object of the present invention is to provide a fuel cell that can be reduced in size and multifunction, and an electronic device including the fuel cell.
  • the fuel cell of the present invention is provided with a base, a flow path formed by a hollow portion of the base, an electrolyte member disposed so as to be in contact with a part of the flow path, and the base And an inductor.
  • the inductor is provided so as to overlap the flow path when the base is seen through.
  • the inductor is a coil formed of a part of a wiring conductor formed on the base.
  • a conductor is provided.
  • the base body and the coil conductor are fixed to each other and integrally formed.
  • the inductor forms part of a filter circuit.
  • the inductor forms part of a power conversion unit.
  • a capacitor is provided on the substrate.
  • the capacitor includes an electrode formed of a part of a wiring conductor formed on the base.
  • the electrode is integrated with the base body.
  • a part or all of the base body has a magnetic force, and the coil conductor is provided in contact with the magnetic body.
  • the magnetic body is ferrite.
  • a plurality of the flow paths provided so as to overlap the inductor when seen through the base in plan view are formed.
  • the plurality of flow paths provided so as to overlap the inductor when seen through the substrate in plan view are ones in which at least one flow path is branched into a plurality of paths.
  • the flow path provided so as to overlap the inductor when seen through the substrate in plan view is a flow path on the upstream side of the electrolyte member.
  • the flow path provided so as to overlap the inductor when seen through the substrate in a plan view is a flow path on the upstream side and the downstream side of the electrolyte member, and the flow path on the upstream side
  • the distance to the inductor is shorter than the distance between the downstream flow path and the inductor.
  • the upstream-side flow path and the downstream-side flow path are arranged so as to overlap each other in plan view of the substrate.
  • the flow path provided so as to overlap the inductor when seen through the base in a plan view is at least a part of a fuel storage section that stores fuel.
  • the base body is formed of a laminate formed by laminating a plurality of insulating layers.
  • the substrate is made of ceramic material.
  • An electronic device includes an operation unit and a display unit provided in a housing, and an output from the operation unit.
  • An operation control unit that controls display contents of the display unit based on input information, and the fuel cell that is housed in the housing and supplies power to the operation unit, the display unit, and the operation control unit And comprising.
  • the fuel cell can be reduced in size and multifunction.
  • FIG. 1 is an external perspective view showing a fuel cell according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view taken along the line II-II in FIG.
  • FIG. 3 is an exploded perspective view of the fuel cell substrate of FIG. 1.
  • FIG. 4 is an exploded perspective view of the fuel cell substrate of FIG. 1.
  • FIG. 5 is a perspective view showing an outline of a fuel flow path and a conductive path of the fuel cell of FIG.
  • FIG. 6 is a view showing a fuel flow path in the vicinity of the battery body of the fuel cell of FIG.
  • FIG. 7 is a block diagram showing a configuration of an electric system of the fuel cell of FIG.
  • FIG. 8 is a view showing a modification of the fuel storage part of the fuel cell of FIG.
  • FIG. 9 is a schematic perspective view of a mobile phone to which the fuel cell of FIG. 1 is attached and detached.
  • FIG. 10 is a cross-sectional view taken along the line X—X in FIG.
  • FIG. 11 is a block diagram showing the configuration of the electrical system of the mobile phone shown in FIG.
  • FIG. 12 is a diagram for explaining the principle of the electroosmotic flow control unit.
  • FIG. 13 is a diagram showing an example of an arrangement position of a flow control unit.
  • FIG. 14 is a diagram showing an example of a flow control unit including a vibrating body.
  • FIG. 15 is a diagram showing an example of an electroosmotic flow control unit.
  • FIG. 16 is a view showing a communicating member of the electroosmotic flow control unit shown in FIG.
  • FIG. 17 is a view showing another example of the communicating member of the electroosmotic flow control unit.
  • FIG. 18 is a view showing another example of the communicating member of the electroosmotic flow control unit.
  • FIG. 19 is a diagram showing an example of electrode arrangement of an electroosmotic flow control unit.
  • FIG. 20 is a diagram showing an example of electrode arrangement of an electroosmotic flow control unit.
  • FIG. 21 is a diagram showing a flow control unit array in which electroosmotic flow control units are arranged.
  • FIG. 22 is a diagram showing a shield conductor that shields the electroosmotic flow control unit.
  • FIG. 23 is a plan perspective view of a fuel cell conceptually showing an example of arrangement of electronic components.
  • FIG. 24 is a cross-sectional view of a fuel cell conceptually showing an arrangement example of electronic components.
  • FIG. 25 is a diagram showing an example of an inductor as an example of an electronic component.
  • FIG. 26 is a diagram showing an example of a capacitor as an example of an electronic component.
  • FIG. 27 is a diagram showing an example of an antenna element as an example of an electronic component.
  • FIG. 1 is a perspective view showing the appearance of a fuel cell 1 according to an embodiment of the present invention.
  • FIG. 1 (a) shows the first side (one main surface) of the fuel cell 1 and also the SI side force.
  • FIG. 1 (b) is a view as seen from the second surface (other main surface) S2 which is the back surface of the first surface S1.
  • FIG. 1 conceptually shows the fuel cell 1, and shows an opening of an air passage 12 to be described later.
  • the fuel cell 1 includes a base body 2 formed in a substantially rectangular parallelepiped shape.
  • the substrate 2 is made of, for example, a ceramic multilayer substrate. That is, the base 2 is formed in a substantially thin rectangular parallelepiped shape, and a plurality of first insulating layers 3A to 7G (hereinafter referred to as insulating layers 3A to 3G) having the same width, thickness, and shape as each other. It is sometimes referred to as “insulating layer 3”).
  • the insulating layer 3 is, for example, alumina ceramics, and includes, for example, a glass component made of SiO, Al 2 O, MgO, ZnO, B 2 O, and alumina particles.
  • the laminated insulating layer 3 is baked in an air atmosphere of 900 ° C. to 1600 ° C., for example.
  • the number of the insulating layers 3 constituting the substrate 2 is seven, and the number of the insulating layers 3 may be set appropriately. Further, the plurality of insulating layers 3 do not have to have the same width, thickness, and shape. However, if the plurality of insulating layers 3 have the same width, thickness, and shape, the manufacturing cost can be reduced.
  • the terminal 5 On the first surface S1, there are a plus terminal 5P and a minus terminal 5N (hereinafter sometimes referred to as "terminal 5" without distinguishing between them) for supplying electric power from the fuel cell 1 to the electronic device. It is provided.
  • the terminal 5 is made of, for example, a metal plate-like member that is disposed so as to overlap the first surface S1.
  • a recess 2a is formed in the first surface SI, and various electronic components are arranged in the recess 2a.
  • the various electronic components are, for example, a power supply device 6, a control device 7, a capacitor 8, and a flow control unit power supply device 9, which will be described later.
  • a recess 2b for accommodating a battery body 15 (not shown in FIG. 1) described later is formed, and the recess 2b is closed by a lid 11.
  • a plurality of, for example, four recesses 2b and lids 11 are arranged on the second surface S2 corresponding to the number of battery main bodies 15.
  • the lid 11 is formed of, for example, the same material as that of the insulating layer 3 and has an insulating property. Therefore, the lid 11 can be regarded as one of the insulating layers 3 constituting the base 2.
  • FIG. 2 is a cross-sectional view in the direction of arrow II in FIG.
  • FIG. 2 conceptually shows the configuration of the base 2 and shows all of a supply section 17a, a discharge section 17c, and a conductive path 18 which are not in the same section, which will be described later.
  • 3 and 4 are exploded perspective views of the base 2.
  • FIG. 3 and FIG. 4 conceptually show the configuration of the base 2 and the fuel flow path 17 is shown larger than FIG. For this reason, the relative positions of the fuel flow path 17 and the conductive path 18 are slightly deviated from FIG. 2 and FIG. 5 described later. Further, details of the conductive path 18 are omitted.
  • a battery body 15 that generates power by a chemical reaction between fuel and oxygen
  • a fuel storage unit 16 that stores fuel to be supplied to the battery body 15
  • a fuel flow path 17 for guiding the fuel stored in the fuel storage section 16 to the cell main body 15 and a conductive path 18 for guiding the electric power from the battery main body 15 are provided.
  • the battery body 15 is a so-called unit cell, and four battery bodies 15 are arranged on the same plane and are connected to each other by a conductive path 18.
  • the unit cells may be stacked, or may be arranged at different positions in both a plan view and a side view, or only one unit cell may be provided. .
  • the battery body 15 includes an electrolyte member 21, and an anode electrode 22 and a force sword electrode 23 that are disposed with the electrolyte member 21 interposed therebetween.
  • the battery body 15 is, for example, a direct methanol fuel
  • the electrolyte member 21 is made of an ion conductive film.
  • the anode electrode 22 and the force sword electrode 23 are constituted by a porous member carrying a catalyst such as platinum, and have both functions of a catalyst layer and a gas diffusion layer.
  • the battery body 15 is formed, for example, to a thickness equivalent to that of the insulating layer 3, and is fitted and inserted into a hole 101 (see also FIG. 4 (b)) provided in the sixth insulating layer 3F.
  • the fifth insulating layer 3E and the lid body 11 are sandwiched between the base member 2 and the base member 2 so as to be fixed. In other words, the opening is accommodated in the recess 2b provided on the second surface S2 of the base 2 and the opening of the recess 2b is closed by the lid 11.
  • the distance to the first surface S1 is equivalent to the thickness of the five insulating layers 3, and the second surface The distance to S2 is equivalent to the thickness of one insulating layer 3. That is, the battery body 15 is arranged closer to the second surface S2 where the distance to the second surface S2 is shorter than the distance to the first surface S1. As a result, it becomes possible to improve the degree of freedom of arrangement of the fuel flow path, and it becomes easy to take in oxygen in the atmosphere, and highly efficient power generation becomes possible.
  • the recess 2b that houses the battery body 15 is formed by the hole 101 of the sixth insulating layer 3F and the hole 102 (see also FIG. 4 (c)) provided in the seventh insulating layer 3G.
  • the lid body 11 having a diameter smaller than that of the hole portion 102 is fixed in contact with the sixth insulating layer 3F at the periphery of the hole portion 101.
  • the lid 11 is fixed using, for example, an appropriate fixing member such as solder, grease, adhesive, or screw.
  • the lid body 11 has a thickness equivalent to that of the insulating layer 3, and the lid body 11 is disposed so as not to protrude from the second surface S2. As a result, the battery body 15 is free of protrusions and can be miniaturized.
  • the thickness of the battery body 15 and the thickness of the lid 11 are not limited to the same thickness as the insulating layer 3, and may be set as appropriate.
  • the insulating layer 3 may be thinner, thicker, or a plurality of insulating layers 3 thick.
  • the battery body 15 is thicker than the insulating layer 3 or thicker than a plurality of the insulating layers 3, and the battery body 15 is compressed with the lid 11 so that the battery body 15 has the same thickness as the insulating layer 3.
  • it may be the same thickness as a plurality of insulating layers 3.
  • the electrical connection between the electrode of the battery body 15 and the conductive path 18 can be made more reliable.
  • FIG. 5 is a perspective view showing the fuel storage unit 16, the fuel flow path 17, and the conductive path 18.
  • FIG. 5 shows an outline of the fuel storage unit 16, the fuel flow path 17, and the conductive path 18, and details such as wiring from the conductive path 18 to the various electronic components 6 to 9 are omitted.
  • the fuel storage unit 16 includes, for example, hole portions 104A to 108A and hole portions 104B to 108B provided in the second insulating layer 3B to the sixth insulating layer 3F (Fig. 3 (b) to Fig. 4 (b), storage spaces 25A and 25B (see also Fig. 5) formed by communication of additional symbols A and B, which may not be distinguished from each other.
  • the additional symbols A and B may be omitted to distinguish them from each other.
  • the hole 104 to the hole 108 are formed in the same shape with the same size, and are provided at positions facing each other between the second insulating layer 3B to the sixth insulating layer 3F.
  • the storage space 25A and the storage space 25B are partitioned by a partition wall 16a, and the partition wall 16a is provided with a hole 16b that allows the storage spaces 25A and 25B to communicate with each other.
  • the storage space 25 is filled with fuel such as methanol or hydrogen gas through an opening (not shown).
  • the fuel flow path 17 is formed by interconnecting groove portions (hollow portions) provided in the insulating layer 3.
  • the groove includes one that penetrates the insulating layer 3 in the thickness direction (hole).
  • the groove portion constituting the fuel flow path 17 is formed by cutting the insulating layer 3 before lamination.
  • the fuel flow path 17 communicates with the supply unit 17a that guides the fuel in the fuel storage unit 16 to the cell body 15 (in the direction of the arrow yl) and the supply unit 17a, and is in contact with the anode electrode 22 of the cell body 15 A contact portion 17b and a discharge portion 17c communicating with the contact portion 17b and returning the fuel in contact with the battery body 15 to the fuel storage portion 16 (in the direction of the arrow y2) are provided.
  • the fuel flow path 17 is provided with the respective parts 17a to 17c to guide the fuel from the fuel storage part 16 and to form a circulation path for returning the fuel to the fuel storage part 16! / Speak.
  • the fuel flow path 17 is three-dimensionally arranged. Specifically, it is as follows.
  • the supply unit 17a communicates with the storage space 25A of the fuel storage unit 16 between the fifth insulating layer 3E and the sixth insulating layer 3F, for example.
  • 16 extends slightly in parallel to the insulating layer 3 between the fifth insulating layer 3E and the sixth insulating layer 3F (see also the groove 110 in FIG. 4B).
  • it extends to the first surface S1 side so as to penetrate the fifth insulating layer 3E and the fourth insulating layer 3D (see also the hole 111 in FIG. 4 (a) and the hole 112 in FIG. 3 (d)). .
  • the third insulating layer 3C extends in parallel with the insulating layer 3 (see also the groove 113 in FIG. 3C).
  • the same plane (between the same insulating layers) Branch to the back side of the paper and the front side of the paper.
  • the flow path corresponding to the battery body 15 on the right side of the paper branches from the flow path parallel to the insulating layer 3 in the direction perpendicular to the insulating layer 3 and reaches the battery body 15. (See also hole 114 in FIG. 3 (d) and hole 115 in FIG.
  • the discharge unit 17c communicates with the storage space 25B of the fuel storage unit 16 between the second insulating layer 3B and the third insulating layer 3C, for example, and communicates with the second insulating layer 3B and the third insulating layer 3 from the fuel storage unit 16. It extends parallel to the insulating layer 3 between the insulating layer 3C (see also the groove 119 in FIG. 3 (b)). In the middle of the process, as shown in FIG. 5, corresponding to the two battery bodies 15 on the back side of the paper and the two battery bodies 15 on the front side of the paper, the back side of the paper in FIG. Branches to the front side of the page. Thereafter, as shown in FIG.
  • the flow path force corresponding to the battery body 15 on the right side of the paper is branched from the flow path parallel to the insulating layer 3 in the direction perpendicular to the insulating layer 3 and reaches the battery body 15 (FIG. 3).
  • the flow path parallel to the insulating layer 3 after branching is bent in a direction perpendicular to the insulating layer 3 at a position corresponding to the battery body 15 on the left side of the paper, and reaches the battery body 15 (FIG. 3 (c ) Hole 123, hole 124 in FIG. 3 (d) and hole 125 in FIG. 4 (a)).
  • the direction in which the fuel flows in the discharge part 17c is the reverse of the order of description of each part of the discharge part 17c.
  • a portion extending between the insulating layer 3 of the supply portion 17a (between the third insulating layer 3C and the fourth insulating layer 3D) and a portion extending parallel to the insulating layer 3 of the discharge portion 17c (second insulating layer) 3B and the third insulating layer 3C) are parallel to each other when viewed from the side (in the direction parallel to the insulating layer 3). In addition, they extend in parallel with each other at a relatively close distance in a plan view (as viewed in a direction perpendicular to the insulating layer 3). Accordingly, a part of the discharge part 17c is arranged along the supply part 17a. Further, as shown in FIG.
  • the distance between the two is the same as the thickness of one insulating layer 3 in a side view, and is relatively close.
  • the discharge part 17c is slightly outside the supply part 17a in plan view so that the supply part 17a and the discharge part 17c do not join the part that penetrates the insulating layer 3.
  • they are arranged so as to coincide with each other in plan view, and only in the vicinity of the portion penetrating the insulating layer 3 in plan view. They may be arranged so as to be displaced from each other, and the distance between the discharge part 17c and the supply part 17a may be made equal to the thickness of one insulating layer 3.
  • the distance in the plan view is approximately equal to the thickness of one insulating layer 3 or the like. It may be less than that.
  • the discharge unit 17c has a distance from the first surface S1 that is less than the thickness of the two insulating layers 3, whereas the supply unit 17a The distance from the surface S1 is longer than the discharge part 17c by the thickness of one insulating layer 3.
  • the supply unit 17a has a distance from the first surface S2 that is equal to or greater than the thickness of the four insulating layers 3, and is longer than the distance between the discharge unit 17c and the first surface S1. That is, the discharge part 17c is arranged closer to the surface of the base 2 than the supply part 17a.
  • cross-sectional area before branching of the supply unit 17a or the discharge unit 17c and the cross-sectional area of each flow channel after branching are shown equally.
  • the sum of the cross-sectional areas of the respective flow paths may be equivalent. This keeps the flow velocity (pressure) constant before and after branching.
  • the supply unit 17a branches into four corresponding to the four battery main bodies 15, and is connected to the battery main body 15, respectively. However, it may be further branched after being branched into four and connected to one battery body 15 at a plurality of locations. The same applies to the discharge part 17c. As a result, the same concentration of fuel can be supplied to each battery body 15, and the power generation of each battery body 15 can be performed efficiently Can be done well. Conversely, the supply unit 17a and the discharge unit 17c are not branched from the fuel storage unit 16 at all, and the discharge unit force after contacting one battery body 15 is changed to the supply unit connected to the other battery body 15. In other words, the flow path may be connected in series to the plurality of battery bodies 15. Thereby, the structure of each flow path becomes easy and productivity can be improved.
  • FIG. 6 (a) is a top view of the contact portion 17b (viewed from a direction orthogonal to the insulating layer 3).
  • (b) is a cross-sectional view in the direction of arrows VIb-VIb in FIG. 6 (a).
  • the supply unit 17a and the discharge unit 17c reach the battery body 15 at positions close to the opposite edges of the battery body 15, and contact each other. It communicates with the end of part 17b.
  • the contact portion 17b extends so that the communication position force with the supply portion 17a meanders to the communication position with the discharge portion 17c, and spreads over the entire surface of the battery body 15.
  • the contact portion 17b is formed by providing a groove on the surface of the fifth insulating layer 3E on the battery body 15 side, and is formed on the anode electrode 22 of the battery body 15. It touches.
  • the anode electrode 22 is formed of a porous member, and the fuel flowing through the contact portion 17b flows to the electrolyte member 21 via the anode electrode 22. In other words, the contact portion 17b is in contact with the electrolyte member 21.
  • an air flow path 12 for guiding air (oxidizing gas) to the battery body is formed in the lid 11 (see also Fig. 1).
  • the air flow path 12 of the lid 11 includes a portion provided so as to penetrate the lid 11 from the first surface S1 side to the battery body 15 side, and a groove provided on the force sword pole 23 side of the lid 11
  • the contact portion 17b extends in a meandering manner and spreads over the entire surface of the force sword pole 23 in the same manner as the contact portion 17b.
  • the conductive path 18 shown in FIG. 2 is provided in the base body 2 by the same manufacturing method as that of the conductive path in the conventional ceramic multilayer substrate, for example. Specifically, a conductive paste containing a conductive material such as silver, copper, tungsten, molybdenum, or platinum is applied to the surface of the insulating layer 3 before lamination or formed in the through-hole formed in the insulating layer 3. Filling, and then laminating and baking the insulating layer 3 yields the substrate 2 provided with the conductive paths 18.
  • a conductive paste containing a conductive material such as silver, copper, tungsten, molybdenum, or platinum
  • the conductive path 18 has a portion extending in parallel to the insulating layer 3 between the insulating layer 3 and the insulating layer 3, and a portion penetrating the insulating layer 3, and is three-dimensionally inside the base 2.
  • the conductive path 18 is arranged to connect four battery bodies in series. Specifically:
  • the conductive path 18 penetrates the negative terminal 5N force first insulating layer 3A to fifth insulating layer 3E (conductor 201 in FIG. 3 (a), FIG. 3 (b ) Conductor 202, conductor 203 in FIG. 3 (c), conductor 204 in FIG. 3 (d), conductor 205 in FIG. 4 (a)), anode conductive film 18 a facing the anode electrode 22 of the battery body 15.
  • the power supply device 6 provided in the recess 2a (see FIG. 1) in the middle and extends from the power supply device 6 to the battery body 15, so that it is more complicated than the conceptual diagrams of FIG. 2 and FIG. It has a shape.
  • the anode-side conductive film 18a is formed on the anode electrode 22 side of the fifth insulating layer 3E. It is provided on the entire surface in contact with the anode electrode 22 except for.
  • a force sword-side conductive film 18b is formed on the entire surface in contact with the force sword pole 23 on the side of the force sword pole 23 of the lid 11 except for the arrangement region of the air flow path 12 (see FIG. 4 (d)). reference).
  • the anode side conductive film 18a and the force sword side conductive film 18b function as a current collector.
  • the conductive path 18 extending from the force-sword-side conductive film 18b passes through the sixth insulating layer 3F and the fifth insulating layer 3E and then becomes parallel to the insulating layer 3. And extends between the fifth insulating layer 3E and the fourth insulating layer 3D (see also the conductor 206 in FIG. 4 (b) and the conductor 207 in FIG. 4 (a)). Thereafter, it penetrates the fifth insulating layer 3E (see also the conductor 207 in FIG. 4 (a)) and is connected to the anode-side conductive film 18a corresponding to the battery body 10 on the right side of the paper. Thereafter, similarly, the conductive path 18 extends so as to connect the force sword electrode 23 and the anode electrode 22 of the adjacent battery body 15.
  • FIG. 7 is a block diagram showing the configuration of the electric system of the fuel cell 1.
  • arrows indicated by solid lines The mark indicates the signal path, and the arrow indicated by the dotted line indicates the power supply path.
  • the power supply device 6, the control device 7, the capacitor 8, and the flow control unit power supply device 9 are accommodated in the recess 2a.
  • the recess 2a is formed deeper than the thickness (height) of the various electronic components 6-9 so that the various electronic components 6-9 do not protrude from the first surface S1.
  • the recess 2a is formed by providing a hole 131 (see also FIG. 3 (a)) in the first insulating layer 3A.
  • the lid may be put on the recess 2a. In this case, there are advantages such as waterproofing and dustproofing.
  • the recess 2a is made deeper than the thickness of one of the insulating layers 3 in the same manner as the storage of the battery body 15, and the lid having the same thickness as the insulating layer 3 is placed.
  • the second insulating layer 3B may be contacted and fixed.
  • the power from the battery body 15 is supplied to the power supply device 6.
  • the power supply device 6 is, for example, a DCZDC converter, and the direct current generated in the battery main body 15 is converted into an appropriate voltage by the power supply device 6, and the terminal 5, the control device 7, the capacitor 8, the power supply device for the flow control unit It is output to various electronic parts such as 9.
  • the capacitor 8 is for stabilizing the pressure of electric power supplied from the power supply device 6. That is, the power supplied from the battery body 15 varies depending on the state of the battery body 15, and the consumed power is also the operating state of various electronic components provided in the fuel cell 1 and the electronic device connected to the terminal 5. It varies depending on the operating state of Therefore, for example, when power consumption is large, there may be a shortage of power with respect to demand. Conversely, surplus power may be generated.
  • the power supply device 6 stores the power in the capacitor 8 when the power supplied from the battery body 15 exceeds the power consumption, and the power supply 6 when the power supplied from the battery body 15 falls below the power consumption. Supplies the electric power stored in the capacitor 8 to various electronic components. Thereby, an electronic device can be operated stably.
  • FIG. 1 illustrates a case where the capacitor 8 is configured by a capacitor element configured as an independent component and attached to the recess 2a.
  • the insulating layer 3 functions as a dielectric
  • the conductive film arranged so as to sandwich the insulating layer 3 is interposed between the insulating layers 3 or the substrate 2. It is possible to make part or all of the substrate 2 function as a capacitor.
  • a control device 7 shown in FIG. 7 controls the operation of various electronic components provided in the fuel cell 1, and is constituted by an IC including, for example, a CPU, a ROM, a RAM, and the like. Specifically, based on the fuel flow velocity detected by the flow velocity sensor 31, the operation of a flow control unit (for example, a pump) 32 that controls the flow of the fuel is controlled, and the fuel detected by the concentration sensor 33 is controlled. Based on the concentration of the fuel, the operation of the concentration adjusting device 34 that controls the concentration of the fuel is controlled. Control of fuel flow is control of fuel flow rate and flow rate.
  • a flow control unit for example, a pump
  • the flow velocity sensor 31 includes, for example, a resistor that is in contact with the flow path and a resistance meter that measures the resistance value of the resistor (both not shown). However, measurement is performed using the fact that the resistance value changes.
  • the resistor, the conductive path 18 connecting the resistor and the resistance meter, and the conductive path 18 connecting the resistance meter and the control device 7 are provided in the insulating layer 3 before lamination, for example. Provided in the recess 2a and the like after firing.
  • the flow velocity sensor 31 is not limited to the above configuration, and may be configured by an appropriate sensor such as one using a Pitot tube. Like the battery body 15, a recess may be provided in a part of the base 2 so as to communicate with the fuel flow path 17, the sensor may be disposed, and the lid may be covered with the recess. Further, since the cross-sectional area of the fuel flow path 17 is constant, the measurement of the flow velocity and the measurement of the flow rate are equivalent.
  • the flow control unit 32 is an electroosmotic flow control unit in the case of a fuel power methanol aqueous solution
  • the flow control unit 32 includes a flow control unit power supply 9 and a positive electrode 36P and a negative electrode 36N to which a voltage is applied by the flow control unit power supply 9 (Hereinafter referred to as “electrode 36” without distinguishing the two).
  • the flow control unit power supply 9 is, for example, a DCZDC converter.
  • the electrode 36 is provided so as to be exposed to the supply unit 17a, and the plus electrode 36P is disposed on the upstream side of the minus electrode 36N.
  • the electrode 36 and the conductive path 18 that connects the electrode 36 and the flow control unit power supply device 9 are provided, for example, in the insulating layer 3 before lamination, and the flow control unit power supply device 9 fires the base 2. It is provided in the recess 2a later.
  • FIG. 12 is a diagram illustrating the principle of the electroosmotic flow control unit.
  • the wall surface 3w forming the fuel flow path 17 is negatively charged when in contact with the methanol aqueous solution, and the negative charge charges the fuel.
  • the positive charge in the solution is attracted to the wall surface 3w of the material channel 17 and localized.
  • the positive charge moves in the direction of the negative electrode 36N.
  • the entire solution flows in the direction of the negative electrode 36N in order to drag the surrounding solution. To do.
  • the control device 7 is, for example, the magnitude of the voltage applied between the electrodes 36 by the flow control unit power supply device 9 so as to obtain a predetermined flow velocity based on the detection result of the flow velocity sensor 31. To control.
  • the flow rate sensor 31 may be omitted.
  • the control device 7 controls the operation of the power supply unit 9 for the flow control unit so as to apply a preset voltage, or the power generation capacity of the battery body 15 detected by the power supply device 6 or the like is preset. The operation of the power supply unit 9 for the flow control unit is controlled so that the obtained value is obtained.
  • the concentration sensor 33 for example, is provided in the fuel flow path 17, and measures a pair of electrodes (not shown) covered with an insulating film and a capacitance (dielectric constant) between the pair of electrodes.
  • the fuel concentration is specified based on the correlation between the measured capacitance, the concentration of the fuel between the electrodes, and the capacitance between the electrodes.
  • the electrode covered with the insulating film and the conductive path 18 connecting the electrode and the measuring instrument are provided in the insulating layer 3 before lamination, for example, and the measuring instrument is provided in the recess 2a and the like after the base 2 is fired.
  • the insulating layer 3 itself can be an insulator that insulates the electrode from the fuel cover, for example, the electrode is placed on each of the third insulating layer 3C and the fourth insulating layer 3D (see FIG. 2) sandwiching the supply unit 17a.
  • a capacitor for concentration measurement may be configured by embedding.
  • the concentration sensor 33 is not limited to the one that measures the electrostatic capacity, and may be constituted by an appropriate one such as one that measures the boiling point of the fuel.
  • the concentration adjusting device 34 is configured by a gas-liquid separator, for example, when the fuel is a gas such as hydrogen gas or methanol gas. That is, the fuel is cooled and lowered to a predetermined temperature, the amount of saturated water vapor is reduced, and moisture is condensed, thereby removing excess moisture from the fuel and adjusting the fuel concentration.
  • the gas-liquid separation chamber, the drainage path for the condensed water, and the flow path for allowing the refrigerant to pass are formed in the grooves provided in the insulating layer 3 with each other as in the fuel flow path 17 and the like. It can comprise by connecting.
  • the temperature is detected by, for example, a change in the resistance value of the resistor. It can be provided on the base 2 in the same manner as the flow rate sensor provided with the above-described sensor and provided with the resistor.
  • the control device 7 controls the operation of the concentration adjusting device 34 so that the temperature of the gas-liquid separation chamber becomes a temperature corresponding to the target concentration.
  • the concentration sensor 33 may be omitted.
  • the control device 7 adjusts the temperature of the gas-liquid separation chamber to a preset temperature, for example, or the power generation amount of the battery main body 15 detected by the power supply device 6 or the like becomes a preset value.
  • the operation of the density adjusting device 34 is controlled.
  • FIG. 8 shows a modification of the fuel storage unit
  • FIG. 8 (a) is a perspective view
  • FIG. 8 (b) is a cross-sectional view in the direction of the Vlllb-Vlllb line of FIG. 8 (a)
  • Fig. 8 (c) is a partially enlarged view of Fig. 8 (b).
  • the fuel storage unit 1 is configured so that the cartridge 71 for fuel supply can be removed.
  • the storage space 2 of the fuel storage unit 1 is formed by connecting notches provided in the second to sixth insulating layers.
  • the cutout portion is formed in, for example, a rectangular shape, and the storage space 25 ′ is formed in a rectangular parallelepiped shape.
  • the cartridge 71 is formed in a shape that fits into the storage space 25 ', and has, for example, a rectangular parallelepiped shape.
  • the cartridge 71 may be formed by laminating ceramics as in the case of the base ⁇ , or may be formed of metal resin or the like.
  • the internal space 71s of the cartridge 71 is filled with fuel such as hydrogen or methanol.
  • a noise (connecting portion) 72 provided in the fuel storage portion 16' is provided with an opening 71a provided in the cartridge 71. Inserted into the mating. At this time, as shown in FIG. 8 (c), the valve 73 biased by the spring 74 to close the opening 71a is pushed open by the pipe 72, and the fuel flow path 1 and the internal space 71s communicate with each other. .
  • the noise 72 is made of, for example, metal or grease, and is provided with two for supplying fuel from the cartridge 71 and for returning to the cartridge 71 (only one is shown in FIG. 8).
  • FIG. 9 shows a cellular phone (portable electronic device) 501 as an electronic device to which the above-described fuel cell 1 is mounted.
  • the mobile phone 501 is configured as a so-called foldable mobile phone, and a transmitting case 502 and a receiving case 503 are rotatably connected.
  • an operation unit 504 that accepts an input operation to the mobile phone 501 is provided.
  • Various push buttons such as the dial key 505 and the cursor key 506 are arranged on the operation unit 504.
  • the receiving case 503 is provided with a display unit 507 for displaying various information.
  • the display unit 507 is configured by a liquid crystal display, for example.
  • FIG. 10 is a cross-sectional view in the direction of arrows X-X in FIG.
  • the transmitter case 502 includes an upper cover 502a on the operation unit 504 side, a lower cover 502b on the back side (lower side of the drawing), and a lid 502c that covers the lower cover 502b.
  • the fuel cell 1 is stored in a battery storage portion 502d formed by a lower cover 502b and a lid 502c.
  • the fuel cell 1 is housed in the battery housing portion 502d with the first surface S1 side facing the inside of the transmitter housing 502, and the lid 502c is covered on the second surface S2 side. .
  • the lower cover 502b is provided with a terminal 511 at a position facing the terminal 5, and the electric power of the fuel cell 1 is supplied to the various electronic components of the mobile phone 501 by connecting the terminal 5 and the terminal 511 in contact with each other. To be supplied.
  • a circuit board 510 provided with a high-frequency circuit or the like is disposed on the opposite side of the lower cover 502b from the battery housing portion 502d, that is, between the upper cover 502a and the lower cover 502b.
  • FIG. 11 is a block diagram showing the configuration of the electrical system of mobile phone 501.
  • solid arrows indicate signal paths
  • dotted arrows indicate power paths.
  • the power of the fuel cell 1 is supplied to the power supply device 512 of the mobile phone 501 via the terminal 5 and the terminal 511.
  • the power supply device 512 converts the supplied power into a predetermined voltage and supplies it to various electronic components such as the display unit 507.
  • the mobile phone 501 includes a control device (operation control unit and reaction control unit) 513 for performing various controls.
  • the control device 513 is configured by an IC including a CPU, a ROM, a RAM, and the like, for example.
  • the operation unit 504 outputs a signal corresponding to the depressed key to the control device 513.
  • the control device 513 performs processing corresponding to the signal from the operation unit 504 in the ROM.
  • the program is executed according to a program stored in the above.
  • the processing executed by the control device 513 includes, for example, control of the display unit 507, and outputs various signals to the display unit 507, such as outputting image data corresponding to display contents to the display unit 507. That is, the control device 513 controls the display content of the display unit 507 based on the input information from the operation unit 504.
  • the mobile phone 501 includes, for example, a high-frequency circuit for performing wireless communication, a microphone for transmission, a speaker for reception, a speaker used for notification of incoming calls and music reproduction, a camera Equipped with electronic components such as modules.
  • Power consumption in the mobile phone 501 varies depending on operating states of various electronic components such as the display unit 507.
  • the display unit 507 does not display an image while the mobile phone 501 is folded, and the power consumption is less than that when the mobile phone 501 is opened.
  • the power consumption of the speaker amplifier increases to increase the volume. Therefore, even if a certain amount of power is supplied from the fuel cell 1, the power supplied to the demand may be insufficient. Conversely, excessive power may be generated.
  • the power generation by the fuel cell 1 is controlled so that the power generation amount of the fuel cell 1 is changed according to the operation status of various electronic components such as the display unit 507. For example, it is performed as follows.
  • the control device 513 stores power consumption for each of various operations in various electronic components such as the display unit 507 in a ROM or the like.
  • the control device 513 controls the operations of the various electronic components, and therefore can grasp whether the various electronic components perform the shifting operation. Therefore, the control device 513 can calculate the required power in the mobile phone 501 by accumulating the current power consumption in various electronic components. Note that the accumulated power consumption includes a certain amount of power consumed regardless of the power-on power of the cellular phone 501 and the operation of various electronic components.
  • control device 513 outputs the calculated necessary power to the control device 7 of the fuel cell 1.
  • Control signal output from the control device 513 to the control device 7 is provided in the connection portion 515 provided in the housing of the mobile phone 501 and the base body 2 of the fuel cell 1, and is connected to the connection portion 515. This is done via the connected part 516.
  • the control device 7 of the fuel cell 1 controls the operation of the flow control unit 32 so that the flow rate (flow rate) force of the fuel supplied to the battery body 15 becomes a value corresponding to the required power.
  • the power generation amount of the fuel cell 1 becomes a value corresponding to the operating status of the mobile phone 501.
  • the base body 2 is formed by a laminated body formed by laminating a plurality of insulating layers 3, and the grooves provided in the different insulating layers 3 are connected to each other to connect the fuel flow path 17
  • the fuel flow path 17 can be arranged three-dimensionally. That is, the degree of freedom of arrangement of the fuel flow path 17 can be improved. Since the force is also formed inside the base body 2, it is possible to simplify the exterior of the fuel cell 1 without having to draw a pipe around the base body 2.
  • the electrolyte member 21 is sandwiched between the insulating layers 3 constituting the base 2, the electrolyte member 21 can be disposed on the base 2 and the electrolyte member 21 can be insulated. That is, since the base 2 also serves as an insulator, there is no need to provide an insulator separately from the base of the fuel cell as in the prior art, and the fuel cell can be miniaturized.
  • the insulating layer 3 also has a ceramic material strength, the technology of ceramic multilayer substrates, which has been studied in the past, can be used. Further, by using alumina ceramics, the substrate 2 having good heat resistance and insulation can be formed.
  • the fuel flow path 17 forms a circulation path, fuel that has not been used for power generation despite being passed through the flow path in contact with the electrolyte member is sent to the electrolyte member 21 again. This can be reused. Then, since the circulation path that enables such reuse is provided inside the base body 2 constituted by the multilayer substrate, the module of the entire fuel cell system including the fuel circulation system and the entire system are provided. Is easy to downsize. The power generation reaction is likely to occur in a certain temperature range (for example, 60 to 80 ° C), so this temperature range is recommended for efficient power generation! /.
  • the temperature change of the fuel can be reduced by forming the circulation path inside the substrate 2.
  • the storage space 25A for supplying fuel to the supply section 17a and the storage space 25B for returning fuel from the discharge section 17c are partitioned by the partition wall 16a, it is relatively diluted from the discharge section 17c. The fuel is prevented from being directly supplied to the supply part 17a.
  • Bulkhead 16a shape The shape and the position and shape of the hole 16b that connects the storage space 25A and the storage space 25B may be set as appropriate.
  • the fuel storage section 16 connected to the fuel flow path 17 is arranged, it is possible to generate power for a long time without adding fuel to the fuel flow path 17 from the outside of the fuel cell 1, and the fuel cell The portability of pond 1 is improved. Since such a fuel storage unit 16 is provided inside the base body 2 formed of a multilayer substrate, it is easy to modularize the entire fuel cell system including the fuel supply system and to reduce the size of the entire system. is there.
  • the replacement of the cartridge 71 enables longer use and further improves the portability.
  • the insulating recesses 3 of the cartridge 71 are formed by cutting out a part (second insulating layer 3B ′ to sixth insulating layer) of the insulating layers 3 stacked in parallel to each other, The parallel surfaces of the insulating layer 3 (the first insulating layer and the seventh insulating layer 3G ′) can be used as the sliding surfaces of the cartridge 71 as they are.
  • the portion of the fuel flow path 17 that contacts the electrolyte member 21 is branched into a plurality of paths, a plurality of flow paths can be formed in parallel to efficiently supply fuel to the electrolyte member 21. it can.
  • a fuel flow path is formed by drawing a pipe, an increase in the number of parts and the complexity of the exterior are caused by the branching of the flow path, that is, an increase in the flow path, but such a problem does not occur.
  • fuel can be efficiently supplied to the plurality of electrolyte members, so that it is easy to increase the number of electrolyte members, and a relatively large number of units.
  • a flow control unit is provided in each branch path can suppress a difference in each flow rate of the branch path, and can stably supply fuel. it can.
  • the groove forming the fuel flow path 17 penetrates the insulating layer 3 in the thickness direction, the flow between one insulating layer (for example, between the third insulating layer 3C and the fourth insulating layer 3D).
  • the path and the flow path between other insulating layers can be communicated, and the three-dimensional fuel flow path 17 can be easily formed.
  • a terminal 5 for outputting electric power is provided on the surface of the base 2, and the terminal 5 is provided inside the base 2. Since the conductive path 18 that electrically connects the electrolyte member 21 and the electrolyte member 21 is provided, it is possible to simplify the exterior without having to route the conductor around the fuel cell. Further, it is easy to modularize and downsize the output system of the fuel cell from the electrolyte member to the output terminal via the conductive path.
  • the discharge part 17c after being in contact with the electrolyte member 21 is arranged closer to the surface of the substrate 2 than the supply part 17a before being in contact with the electrolyte member 21, the fuel flowing through the discharge part 17c
  • the surface force of the substrate 2 can be discharged efficiently. For example, by projecting the discharge portion along the surface of the substrate, the projected area on the surface of the substrate may be increased, and the heat removal property may be improved.
  • the flow control unit 32 that controls the flow of the fuel in the fuel flow path 17 is provided, the power generation amount can be controlled according to various conditions such as the operating status of the electronic components inside and outside the fuel cell. You can. Since the flow control unit 32 is provided inside the base body 2 formed of a multilayer substrate, it is easy to modularize and downsize the power generation control system by flow control.
  • the flow control unit 32 is formed by the electroosmotic flow control unit, the flow control unit 32 can be reduced in size. In addition, since the fuel can be controlled with a uniform flow compared to other flow control units, a stable power generation amount can be obtained. Further, when the flow control unit 32 is provided inside the multilayer substrate, the flow control unit 32 can be formed by using the groove formed in the insulating layer 3. [0117] Since the fuel force flowing through the fuel flow path 17 is also provided with the concentration adjusting device 34 that adjusts the concentration of fuel by removing moisture, the fuel is prevented from being diluted by excess moisture.
  • the anode side force in order to prevent methanol crossover, also prevents the flow of methanol to the force sword side, so that the water generated in the electrolyte member 21 is converted into an aqueous methanol solution.
  • the water generated in the electrolyte member 21 is converted into an aqueous methanol solution.
  • the terminal 5 electrically connected to the electrolyte member 21 is provided on the first surface S1 of the base body 2, and the electrolyte member 21 is disposed closer to the second surface S2 of the base body 2 In addition, water generated in the electrolyte member 21 is prevented from entering the electronic device connected to the terminal 5 side or the electronic component inside the electronic device.
  • the second surface S2 of the base body 2 is provided with a recess 2b for accommodating the electrolyte member 21, and the opening of the recess 2b is blocked by the lid 11 having the air flow path 12.
  • the electrolyte member 21 can be disposed after the insulating layer 3 is stacked, and the modularity and miniaturization of the fuel cell are easy. Also, the electrolyte member 21 and the outside air are only separated from each other by the lid 11, and since the through-hole is provided in the lid 11, air can be efficiently guided to the electrolyte member 21, Further, the water generated by the electrolyte member 21 is efficiently discharged.
  • the electrolyte member 21 is provided inside the base body 2 that also has a multilayer substrate force, and various electronic parts such as the control device 7 driven by the power supplied by the electrolyte member 21 are arranged, the fuel cell module And miniaturization are facilitated.
  • the fuel cell 1 is modularized and miniaturized by the base 2 that also has a multi-layer substrate force, the fuel cell 1 having high portability, durability, ease of attachment / detachment, etc. By providing a portable electronic device, the portability and handleability of the portable electronic device can be improved.
  • the mobile phone 501 controls the supply of fuel to the electrolyte member 21 of the fuel cell 1 in accordance with the operating status of the electronic components such as the display unit 507, the mobile phone 501 generates power according to the required power. It is possible to suppress power generation and surplus power.
  • the fuel cell 1 is formed by the base body 2 having a multilayer substrate force and is modularized including the control device 7 and the like, the fuel cell bears a part or all of the control of the fuel supply. Can wear.
  • the electrolyte member includes all types such as a solid polymer type, a phosphoric acid type, an alkali type, a molten carbonate type, a solid oxide type and the like.
  • the oxygen gas is not limited to air as long as it contains at least oxygen.
  • the insulating layer that is laminated to form the base is not limited to a ceramic material.
  • the insulating layer may be formed of heat resistant grease. It is also possible to stack insulating layers made of different materials.
  • the ceramic material is not limited to alumina ceramics, and may be, for example, glass ceramics, zirco-ceramics or carbon carbide ceramics that do not contain an alumina component.
  • alumina ceramics and glass ceramics are preferable because an electronic circuit can be easily formed on a substrate with good electrical characteristics.
  • it has excellent corrosion resistance against fuels such as methanol and water, and can effectively prevent the penetration of fuel, and can effectively prevent the wiring conductor from corroding due to the penetration of fuel.
  • the size and shape of the groove (including the hole) provided in the insulating layer and the flow path formed by the groove may be set as appropriate. Therefore, the groove may not penetrate the insulating layer in the thickness direction, and the discharge part may not be disposed closer to the surface of the substrate than the supply part, or at least a part of the discharge part is supplied.
  • the direction of the fluid in the discharge unit may be the same as the direction of the fluid in the supply unit. In any case, by forming the groove in the insulating layer before lamination, the force that can form the flow path at an arbitrary position inside the substrate and the effect of improving the degree of freedom in arrangement are obtained.
  • the shape and size of the fuel storage section may be appropriately set in the same manner as the flow path.
  • the fuel storage space is formed by leaving one insulating layer on the first surface S1 side and the first surface S2 side, but the storage space or the wall of the storage space is formed by the number of insulating layers. It is appropriate to form the part.
  • Various electronic components can be selected as the electronic components that are provided inside the substrate or on the surface of the substrate and driven by electric power supplied from the fuel cell.
  • the electronic component may be necessary for the function as a fuel cell, or may perform a function completely different from the function as a fuel cell.
  • the former is, for example, the control device 7, the capacitor 8, the flow control unit 32, etc. in the embodiment.
  • the fuel cell is prevented from being damaged.
  • the power generation may be stopped when a temperature equal to or higher than the reference temperature is detected. As a result, the fuel cell can be used stably over a long period of time.
  • the latter is, for example, an amplifier built-in speaker that amplifies an external signal and converts it into an audio signal, or a volatile recording medium that holds information input via a computer or the like.
  • the fuel cell of the present invention can be regarded as an electronic device including the fuel cell.
  • the substrate is formed of a multilayer substrate, so that modularity and miniaturization are easy.
  • the flow control unit and the concentration adjusting device are not indispensable requirements of the present invention. Also, the flow control unit and the concentration adjusting device are provided with the supply unit, the contact unit, the discharge unit, the fuel, as long as the fuel exists. It may be provided in any of the storage units.
  • the flow control unit is not limited to the electroosmotic flow type flow control unit, and may be, for example, a check valve type flow control unit that vibrates the diaphragm and feeds fluid.
  • the flow control unit is not limited to one that delivers fuel. For example, it may be one that sends acid gas. It may be one that delivers water mixed with fuel.
  • FIG. 13 (a) to FIG. 13 (c) are diagrams showing examples of arrangement positions of the flow control unit.
  • the supply section 17a of the fuel flow path 17 is branched into a plurality corresponding to the plurality of battery main bodies 15, and the flow control section 32-1 is provided upstream of the branch point. It has been.
  • the branching direction (the downward direction in the drawing) is, for example, the thickness direction of the laminated substrate as shown in FIG.
  • a temperature sensor (temperature detection element) 79 is provided.
  • the temperature sensor 79 includes, for example, a resistor and a resistance meter that measures the resistance value of the resistor (both not shown), and detects a change in the resistance value according to a temperature change of the resistor. By , Detect the temperature.
  • the resistor may be formed by printing a metal paste on a ceramic green sheet (insulating layer 3) before firing, as in the case of the conductive path 18 or the like, or may be configured by general-purpose parts such as a thermistor. Also good.
  • An appropriate number of temperature sensors 79 (resistors) are provided at appropriate positions.
  • the temperature sensor 79 is disposed at a position in contact with the battery main body 15, a position in contact with the fuel flow path 17, a substrate surface not in contact with the battery main body 15 or the fuel flow path 17, or the inside of the base. By providing such a temperature detection element, stable power generation can be performed.
  • the detection signal of the temperature sensor 79 is output to the control device 7 in the same manner as the flow rate sensor 31 and the like in FIG. Control the behavior. For example, when the temperature detected by the temperature sensor 79 becomes higher than a predetermined threshold, the control device 7 reduces the amount of fuel supplied or operates the flow control unit 32-1 so as to stop. Control. Alternatively, the control device 7 holds data that can specify the correlation among the temperature, the fuel supply amount, and the power generation amount in the battery body 15, and the detected temperature with reference to the data, The fuel supply amount is calculated from the current required power generation amount, and the operation of the flow control unit 32-1 is controlled so that the calculated fuel supply amount is obtained.
  • the supply unit 17a branches into a plurality of parts, so that fuel can be efficiently supplied to the plurality of battery main bodies 15, and the flow control unit 32-1 can be connected to a plurality of units.
  • the number of flow control units 32-1 can be reduced to reduce costs.
  • the supply section 17a of the fuel flow path 17 branches into a plurality corresponding to the plurality of battery main bodies 15, and each of the plurality of branch flow paths is downstream of the branch point.
  • the plurality of flow control units 32-2 may have the same configuration and ability, or may be different.
  • the plurality of flow control units 32-2 may be controlled independently, or may be controlled in common (with the same control amount).
  • the branch direction (downward direction in the drawing) is the thickness direction of the laminated substrate as shown in FIG.
  • an appropriate number of temperature sensors 79 may be provided at appropriate positions.
  • the temperature sensor 79 is provided at a position where each of the plurality of battery main bodies 15 can be detected (position adjacent to the battery main body 15).
  • the supply unit 17a branches into a plurality of parts, so that fuel can be efficiently supplied to the plurality of battery main bodies 15, and the flow control unit 32-2 is provided with a plurality of units.
  • fuel can be sent to each branch flow path at an appropriate flow rate. For example, it is possible to prevent a decrease in the amount of fuel sent to the battery main body 15 at a position where the flow control unit force is far away. Since the arrangement positions of the plurality of battery bodies 15 are different, the amount of supplied oxidizing gas, the heat flux when radiating heat, etc. are different, and the appropriate fuel supply amount is different.The fuel can be supplied according to the arrangement position. .
  • a temperature sensor 79 is provided for each of the plurality of battery main bodies 15, and when the fuel supply amount is controlled for each of the plurality of battery main bodies 15 according to the detection result of each temperature sensor 79, it is suitable for the temperature of each battery main body 15. Fuel supply amount.
  • the supply section 17a of the fuel flow path 17 is divided into a plurality corresponding to the battery body 15, and each of the plurality of branch flow paths is downstream of the branch point. Is equipped with a flow control unit 32-3.
  • the plurality of branch passages are connected to a plurality of appropriate positions of the contact portions 17b of the fuel passage 17 shown in FIGS. 5 and 6, for example.
  • a plurality of discharge portions 17c of the fuel flow path 17 also extend from a plurality of appropriate positions of the contact portion 17b and merge.
  • the branching direction (the downward direction in the drawing) is, for example, the thickness direction of the laminated substrate as shown in FIG.
  • the supply unit 17a branches into a plurality of parts, so that fuel can be efficiently supplied to one battery body 15, and a plurality of flow control units 32-3 are provided.
  • fuel can be sent to each branch channel at an appropriate flow rate.
  • FIGS. 14 (a) and 14 (b) each show an example in which a vibrating body that vibrates the wall surface forming the fuel flow path 17 is provided as the flow control unit.
  • the vibrating body is, for example, a piezoelectric body that expands and contracts according to the magnitude of the applied voltage.
  • the flow control unit 32-4 in Fig. 14 (a) includes a piezoelectric body 81 and a pair of electrodes 82P and 82N that apply a voltage to the piezoelectric body 81 (simply referred to as "electrode 82", and do not distinguish between the two) Is provided).
  • the piezoelectric body 81 is, for example, a piezoelectric ceramic. Piezoelectric ceramics are formed by, for example, polarizing a sintered body such as Pb (Zr, Ti) 0. The piezoelectric body 81 is, for example, a single piece.
  • It has a thickness equivalent to that of the insulating layer 3 and is fitted into a hole formed in one insulating layer.
  • the electrodes 82P and 82N are arranged so as to sandwich the piezoelectric body 81 in a direction orthogonal to the fuel flow path 17.
  • the electrode 82N faces a portion of the fuel flow path 17 formed in parallel with the insulating layer.
  • the piezoelectric body 81 faces the fuel flow path 17 via the electrode 82N.
  • the configuration of the electric system of the fuel cell including the flow control unit 32-4 is the same as that in FIG. However, the electrode 82 is connected to the flow control unit power supply 9 ′ (voltage control unit, corresponding to the flow control unit power supply 9 in FIG. 7). By providing the voltage control unit in this way, stable fuel supply can be performed, and the stability of power generation can be improved.
  • the electrode 82 and the flow control unit power supply device 9 ′ are connected by a conductive path 18.
  • the flow controller power supply device ⁇ applies a voltage to the electrode 82.
  • the piezoelectric body 81 expands and contracts in accordance with fluctuations in the voltage applied via the electrode 82, vibrates the electrode 82N that is a part of the wall surface forming the fuel flow path 17, and pressurizes the fuel in the fuel flow path 17 Is granted.
  • the flow control unit 32-4 is configured as a valveless flow control unit that prevents backflow to the fuel inflow side by making the fluid resistance on the fuel inflow side larger than the fluid resistance on the outflow side. ing.
  • the inflow passage 83 connected to the region facing the piezoelectric body 81 is formed with a smaller cross-sectional area force S than the outflow passage 84. For this reason, when the pressure applied to the fuel by the piezoelectric body 81 increases, turbulent flow is more easily formed in the inflow passage 83 than in the outflow passage 84, and the fluid resistance increases. As a result, the flow rate flowing back to the inflow passage 83 is smaller than the flow amount flowing to the outflow passage 84.
  • the flow control unit 32-4 is manufactured as follows, for example. First, a hole for embedding the piezoelectric body 81 is formed in the ceramic green sheet (insulating layer 3) before firing by laser processing or punching. Next, a piezoelectric ceramic (piezoelectric body 81) before firing is embedded in the hole, and a metal paste (electrode 82) is provided on both sides of the piezoelectric ceramic. Then, a plurality of ceramic green sheets having grooves (the fuel flow path 17, the inflow path 83, and the outflow path 84) are laminated and fired.
  • the operation of the flow control unit 32-4 is controlled by the control device 7 in the same manner as the flow control unit 32 of FIG. Further, the flow control unit 32-4 is an example of the flow control units 32-1 to 32-3 in FIG. 13, and is controlled based on the detection result of the temperature sensor 79.
  • the control device 7 applies a voltage to the electrode 82 and varies the applied voltage by the flow control unit power supply device ⁇ .
  • the control device 7 sets the potential of the electrode 82N to the reference potential and vibrates the potential of the electrode 82P between the reference potential and a potential higher than the reference potential.
  • the piezoelectric body 81 expands and contracts and pressure is applied to the fuel.
  • the control device 7 changes the amplitude and frequency of the applied voltage according to the detection result of the temperature sensor 79 and the like.
  • the flow control unit 32-5 in Fig. 14 (b) includes a piezoelectric body 81 and a pair of electrodes 82 for applying a voltage to the piezoelectric body 81, similarly to the flow control unit 32-4.
  • the flow control unit 32-5 includes a plurality of combinations of the piezoelectric body 81 and the electrode 82 along the fuel flow path 17, and is configured as a traveling wave type flow control unit. That is, the flow control unit 32-5 can be configured as a valveless flow control unit that prevents backflow of fuel by expanding and contracting the plurality of piezoelectric bodies 81 at different timings.
  • the flow control unit 32-4 and the flow control unit 32-5 in Fig. 14 (a) also provide the same effects as the flow control unit 32 of the embodiment. That is, the amount of power generation can be controlled in accordance with various conditions such as the operating status of the electronic components inside and outside the fuel cell, and the flow control unit 32 is provided inside the base 2 formed of the multilayer substrate. In addition, it is easy to modularize and reduce the power generation control system by flow control.
  • the flow control unit including the vibrator may be implemented in various modes!
  • the vibrating body is not limited to a piezoelectric body (piezoelectric element) as long as it can vibrate the wall surface forming the fuel flow path.
  • the vibrator actuator is not You may comprise.
  • an electrostatic type that uses electrostatic attraction
  • an electromagnetic type that uses magnetic force
  • a thermal type that uses expansion of a member due to heating
  • an SMA type that uses deformation according to temperature changes of shape memory alloys (shape memory alloys)
  • the actuator of the vibrating body may be constituted by an actuator of type).
  • the wall surface forming the flow path may be the surface of the vibrator itself.
  • the piezoelectric body is a single crystal such as quartz, LiNbO, LiTaO, or KNbO.
  • a piezoelectric material of a suitable material such as a thin film such as ZnO or A1N or a piezoelectric polymer film such as polyvinylidene fluoride (PVDF)!
  • the piezoelectric body may have any structure such as a monomorph, a bimorph, and a laminated type. Also
  • the piezoelectric body may be one that vibrates the wall surface of the fuel flow path by the expansion and contraction, and may vibrate the wall surface by the sliding deformation.
  • the piezoelectric body may not be as thick as one insulating layer, but may be thinner or thicker than one insulating layer.
  • the position of the piezoelectric body does not have to be a position facing a portion extending in parallel to the insulating layer in the fuel flow path.
  • a portion of the fuel flow path orthogonal to the insulating layer, a bent portion, a branching portion, etc. May be arranged to face an appropriate position.
  • the electrode is not limited to one that sandwiches the piezoelectric body in a direction perpendicular to the fuel flow path so long as a voltage can be applied to the piezoelectric body so as to vibrate the wall surface forming the fuel flow path in the piezoelectric body.
  • the electrodes may be arranged so as to sandwich the piezoelectric body in the direction along the fuel flow path.
  • the flow control unit may not be a valveless flow control unit, but a check valve may be provided.
  • FIGS. 15 to 22 show preferred examples of the electroosmotic flow control unit.
  • the positive charge in the fuel is attracted to the wall surface of the fuel flow path 17 by the negative charge charged on the wall surface of the fuel flow path 17, and the positive The fuel is caused to flow by moving the charge through the electrode 36. Therefore, if the contact area between the fuel and the wall surface in contact with the fuel is increased, the fuel can flow more efficiently by attracting the positive charge of the fuel to the wall surface.
  • the following shows a specific example in which the contact area between the fuel and the wall surface is increased.
  • the flow control unit 32-11 in Fig. 15 is a pair of electrodes 36-1P, 36-IN (hereinafter simply referred to as "electrode 36-1", similar to the flow control unit 32 shown in Fig. 7, Sometimes there is no distinction between the two.) And the fuel is made to flow by applying a voltage to the electrode 36-1. However, the flow control unit 32-11 may not be distinguished from the communication members 91-2 and 91-3 described later by omitting the communication member 91-1 (hereinafter referred to as “ ⁇ 1”) between the electrodes 36-1. ).
  • Fig. 16 (a) is a perspective view of the communication member 91-1
  • Fig. 16 (b) is a view (plan view) of the communication member 91-1 viewed in the flow path direction of the fuel flow path 17
  • Fig. 16 ( c) is a cross-sectional view in the direction of arrows XVIc-XVIc in Fig. 16 (b).
  • the communicating member 91-1 is made of, for example, a porous body having a ceramic force.
  • the porous body is capable of permeating liquid (fuel) by three-dimensionally connecting a plurality of hole portions 92 formed therein.
  • the porosity of the porous body is preferably 20% or more from the viewpoint of reducing fuel pressure loss and improving fuel fluidity. Also, 80% or less is good from the viewpoint of efficient localization of fuel electrification. Therefore, the porosity of the porous body is preferably 20 to 80%. More preferably, it is 40 to 60% from the viewpoint of keeping the strength of the substrate high.
  • the porosity is obtained by calculating the average area ratio Sr of the hole 92 from images of a plurality of cut surfaces and calculating the 3Z square of the calculated average area ratio Sr.
  • the average cross-sectional area S of the hole 92 calculated from the image of the cut surface is preferably 25 to 40,000 square micrometers, more preferably 3000 to 10,000 square micrometers.
  • the communication member 91 1 is formed in, for example, a substantially cylindrical shape. As shown in FIG. 15, the height of the cylinder of the communication member 91 1 is equal to the thickness of one insulating layer 3, for example.
  • the communication member 91-1 is held by one insulating layer 3 in a portion of the fuel flow path 17 that penetrates the insulating layer 3. That is, the fuel flow path 17 is configured by mutually connecting grooves provided in parallel to different insulating layers 3 by holes penetrating the insulating layers 3 and the like disposed therebetween, and the communication member 91-1 is , Provided in a hole (connecting portion) for connecting the grooves.
  • the electrodes 36-1P and 36-IN are formed in, for example, a flat plate shape, and are arranged at positions where the end faces of the communication member 911 face each other on the wall surface forming the fuel flow path 17. In other words, they are arranged so as to be orthogonal to the fuel flow direction.
  • the electrodes 36-1P and 36-1N have, for example, the same area as the cross-sectional area of the communication member 91 1.
  • the flow control unit 32-11 is manufactured as follows, for example. First, ceramics before firing A hole for embedding the communicating member 91 1 is formed in the green sheet (insulating layer 3) by laser processing or punching. Next, the hole is filled with a ceramic paste having a resin component larger than that of the ceramic green sheet. For example, the resin content of the ceramic paste is set to 2 to 10 times the resin content of the ceramic grain sheet constituting the substrate 2. Then, a ceramic green sheet provided with a metal paste (electrode 36-1) or the like is laminated on the ceramic green sheet and fired. The ceramic paste becomes a porous communication member 91-1 by the volatilization of the resin component.
  • the communication member 91-1 is integrally formed of the same material as the insulating layer 3.
  • the communicating member 91-1 may be configured by embedding a porous member in a ceramic green sheet before firing.
  • the communication member 91-1 disposed in the fuel flow path 17 is formed of a porous body, compared to the case where the communication member 911 is not disposed.
  • the contact area between the fuel and the wall surface in contact with the fuel increases, it is possible to promote the localization of the charge of the fuel and to efficiently flow the fuel.
  • the communication member 91-1 is made of the same material as the base body 2, the durability that prevents the base 2 and the communication member 91-1 from being displaced due to thermal expansion is improved. To do.
  • the communication member 91 1 is disposed in the portion of the fuel flow path 17 that penetrates the insulating layer 3, a hole is provided in the insulating layer 3, and the communication member 91-1 is connected to the hole.
  • the communication member 91-1 can be easily formed. In particular, when a material containing a resin component is placed in the insulating layer 3 before firing and fired to form a porous body, it is only necessary to fill the pores with a material containing a resin component. The member 91 1 can be easily formed.
  • FIG. 17 shows another example of the communication member
  • FIG. 17 (a) is a perspective view
  • FIG. 17 (b) is a view seen in the flow direction of the fuel flow path 17
  • FIG. 17 (c) is a cross-sectional view taken along line XVIIc—XVIIc in FIG. 17 (b).
  • the communication member 91-2 in Fig. 17 has the same outer shape as that of the communication member 91-1, and is arranged at the arrangement position of the communication member 91-1 shown in Fig. 15.
  • the communication member 91-2 is provided with a plurality of holes 94 penetrating in the flow path direction of the fuel flow path 17.
  • Direct hole 94 The diameter is preferably 50 micrometers or less from the viewpoint of efficiently localizing the fuel electricity, and more preferably, the fluidity is improved and the strength of the substrate 2 is kept high. From the viewpoint, it is 5 to 30 micrometers.
  • the communicating member 91-2 is manufactured, for example, as follows. First, a hole that becomes the hole 94 is formed in a portion that becomes the communicating member 912 by punching the ceramic grain sheet (insulating layer 3) before firing by laser force punching. Then, a ceramic green sheet provided with a metal paste (electrode 36-1) or the like is laminated on the ceramic green sheet and fired. That is, the communication member 91-2 is integrally formed of the same material as the insulating layer 3. When the communication member 912 is formed of the same material as that of the insulating layer 3 constituting the base 2 in this manner, stress due to a difference in thermal expansion can be suppressed, and damage to the communication member 912 can be effectively suppressed.
  • the communicating member 91 2 may be configured by embedding a member in which the hole 94 is formed in a ceramic green sheet before firing.
  • the same effect as that of the communication member 91-1 can be obtained. That is, it is possible to increase the contact area between the fuel and the wall surface in contact with the fuel, and to promote the localization of the electric charge of the fuel, thereby allowing the fuel to flow efficiently.
  • the communication member 91-2 is disposed in the portion of the fuel flow path 17 that penetrates the insulating layer 3, the hole 94 is formed directly in the insulating layer 3 to form the communication member 91-2. Easy to manufacture.
  • FIG. 18 shows another example of the communication member.
  • FIG. 18 (a) is a perspective view
  • FIG. 18 (b) is a view seen in the flow direction of the fuel flow path 17, and
  • FIG. 18 (c) is a cross-sectional view in the direction of arrows XVIIIc-XVIIIc in Fig. 18 (b).
  • the communication member 91-3 in Fig. 18 has the same outer shape as that of the communication member 91-1, and is arranged at the arrangement position of the communication member 91-1 shown in Fig. 15.
  • the communication member 91-3 is provided with a plurality of slits 96 penetrating in the direction of the flow path of the fuel flow path 17.
  • the width (diameter) of the slit 96 is preferably 50 m / m or less from the viewpoint of efficient localization of fuel electricity, and more preferably, the fluidity is improved and the strength of the substrate 2 is increased. From the viewpoint of maintaining a high value, it is 5 to 30 micrometers.
  • the communication member 91-3 is formed in the same manner as the communication member 91-2, for example.
  • the same effects as those of the communication member 911 and the communication member 912 can be obtained. That is, it is possible to increase the contact area between the fuel and the wall surface in contact with the fuel, promote the localization of the fuel charge, and efficiently flow the fuel.
  • FIG. 19 shows a modification of the arrangement of the electrodes of the electroosmotic flow type flow control unit
  • FIG. 19 (a) is a cross-sectional view
  • FIG. 19 (b) is a perspective view.
  • the electrodes 36-2P and 36-2N of the flow control unit 32-12 may be formed in a cylindrical shape, for example.
  • the communication member 91 is disposed on the wall surface of the portion that penetrates the insulating layer 3.
  • the electrode 36-2 is arranged along the fuel flow direction.
  • the electrode 36-2 is filled with a metal paste in a hole formed in a ceramic green sheet (insulating layer 3) before firing, and filled with a resin at the center thereof, It is formed by laminating and firing ceramic green sheets and volatilizing the resin.
  • FIG. 20 shows a modification of the arrangement of the electrodes of the electroosmotic flow control unit
  • FIG. 20 (a) is a sectional view
  • FIG. 20 (b) is a perspective view.
  • Electrode 36-3 The electrodes 36-3P, 36-3N (hereinafter simply referred to as “electrode 36-3", which may not be distinguished from each other) of the flow control unit 32-13 are the same as the cross-sectional shape of the communication member 91, for example. It is formed in a flat plate shape (for example, a circle) and is disposed on the end surface of the communication member 91. A plurality of holes 98 are provided in the electrode 36-3.
  • the hole 98 is formed in an appropriate shape at an appropriate position, and the communication member 91 is formed in the hole 94.
  • the communication member 91-2 formed with the hole 94 the communication member 91 is formed at the position where the hole 94 is arranged with the same size as the hole 94, and the communication member 91 is formed with the slit 96.
  • the slit 96 is formed in a slit shape having the same size as the slit 96 at the arrangement position. That is, the fuel can pass through the hole 98 of the electrode 36-3 and also through the communication member 91 to flow through the fuel flow path 17.
  • the electrode 36-3 for example, after placing a member to be the communication member 91 on the ceramic green sheet (insulating layer 3) before firing, a metal paste is provided on the communication member 91 to perform laser processing or punching processing. Hole 98 is formed by the ceramic green sheet It is formed by being laminated with a sheet and fired. At the same time as the formation of the electrode hole 98, the hole 94 of the communication member 91-2 and the slit 96 of the communication member 91-2 may be formed.
  • the pair of electrodes may be appropriately disposed as long as the communication member 91 can be disposed between the electrodes.
  • an electrode is provided on the surface along the insulating layer 3 as shown in FIG. 15, it is easy to form by simply placing a metal paste on the surface of the insulating layer 3 before firing.
  • the electrode is provided on the surface orthogonal to the insulating layer 3 as shown in FIG. 19, the electrode can be disposed adjacent to the communication member 91 orthogonal to the insulating layer 3.
  • FIG. 20 when an electrode is provided on the end face of the communication member 91, it is easy to form and the electrode can be disposed adjacent to the communication member 91.
  • FIG. 21 shows a flow control unit configured by arranging a plurality of flow control units 32-13 including a communication member 91 and a pair of electrodes 36-3 facing each other across the communication member 91 in series and in parallel.
  • the array section 32-15 is shown.
  • the fuel flow path 17 includes a first parallel part 17e along the insulating layer 3, a second parallel part 17f separated from the first parallel part 17e by a plurality of layers, and a first parallel part 17e and a second parallel part. It includes a plurality of penetrating portions 17g that are connected to the portion 17f and penetrate the plurality of insulating layers 3. The plurality of through portions 17g are adjacent to each other. In the penetrating part 17g, flow control parts 32-13 are provided at a plurality of positions. For example, flow control units 32-13 are provided every other layer. The number of flow control units 32-13 arranged in the parallel direction (the number of the plurality of through portions 17g) is, for example, 100 to 500, and the number of flow control units 32 arranged in the series direction is, for example, 10 to 20. .
  • the plurality of flow control units constituting the flow control unit array unit are not limited to the flow control unit 32-3, but may be the flow control unit 32-1 as illustrated in FIG. 15 or as illustrated in FIG.
  • the flow control unit 32 2 may be used.
  • When arranging a plurality of flow control units they may be only in series or only in parallel.
  • When a plurality of flow control units are arranged in series they may be arranged in series in a direction along the insulating layer, or they may be connected in a zigzag manner without being connected linearly.
  • a plurality of flow control units are arranged in parallel, they may be arranged in parallel in a direction orthogonal to the insulating layer. They may be arranged in parallel in a straight line or in parallel in a plane.
  • FIG. 22 shows an example in which a shield conductor 231 surrounding the electroosmotic flow control unit is provided
  • FIG. 22 (a) is a cross-sectional view
  • FIG. 22 (b) is a perspective view.
  • the shield conductor 231 includes, for example, a flat conductor 232 formed in a flat shape along the insulating layer 3, and a via conductor 233 formed so as to penetrate the insulating layer 3.
  • Two flat conductors 232 are arranged so as to sandwich the flow control section 32-1 in the direction perpendicular to the insulating layer 3 (the vertical direction on the paper surface).
  • a plurality of via conductors 233 extend so as to connect the two flat conductors 232 and are provided so as to surround the communication member 91.
  • the interval between the via conductors 233 is, for example, 1Z2 or less, preferably 1/4 or less, of the target noise wavelength.
  • the shield conductor 231 is connected to the negative terminal 5N via the conductive path 18 (including the conductor layer). That is, the shield conductor 231 is connected to the reference potential (ground).
  • the flat conductor 232 is formed by providing a metal base on the surface of the ceramic green sheet (insulating layer 3) before firing.
  • the via conductor 233 is formed by forming a hole in a ceramic liner sheet before firing by punching or laser processing and filling the hole with a metal paste.
  • the noise that enters the electroosmotic flow control unit is reduced by the shield conductor 231 and the noise emitted from the electroosmotic flow control unit is reduced. Therefore, the error of the fuel flow control by the electroosmotic flow control unit is reduced, and the malfunction of the electronic component provided in the fuel cell and the electronic component driven by the fuel cell is also prevented. .
  • the shield conductor 231 includes the via conductor 233, it is easy to form the shield conductor 231 so as to block noise that enters and radiates in the direction along the insulating layer 3.
  • the shield conductor 231 may be provided so as to surround the flow control unit (vibrating body) when the flow control unit has a vibrating body force such as a piezoelectric body! ,.
  • the electroosmotic flow control unit may be implemented in various modes other than the above.
  • the fuel may flow to the high potential side, or may flow to the low potential side.
  • the wall that contacts the fuel is positively charged. Whether it is negatively charged or not is determined by materials such as the fuel, the wall surface forming the fuel flow path, and the communication member.
  • the communicating member is not limited to a member having sufficient ceramic force as long as it can attract the positive charge or the negative charge of the fuel by contacting with the fuel.
  • the communicating member may not be as thick as one insulating layer, but may be thinner or thicker than one insulating layer.
  • the cross-sectional shape of the communication member may be set as appropriate.
  • the communication member may be disposed at an appropriate position such as a portion parallel to the insulating layer, a bent portion, a branching portion, or the like of the fuel flow path that does not have to pass through the insulating layer in the fuel flow path. May be.
  • the flow control unit may be capable of causing the fuel to flow in a direction opposite to the reference flow direction.
  • some of the flow control units may cause the fuel to flow in the opposite direction to the other flow control units.
  • some of the flow control units 32-4 have a cross-sectional area of the inflow passage 83 larger than a cross-sectional area of the outflow passage 84. It may be set larger.
  • the flow control unit power supply 9 changes the timing of voltage fluctuation applied to the plurality of electrodes 82 to change the fuel in the reverse direction. You may make it flow.
  • the flow control unit power supply device 9 may cause the fuel to flow in the reverse direction by switching between positive and negative voltages applied to the pair of electrodes.
  • the flow control unit can quickly decelerate or stop the fuel and appropriately control the power generation amount and the heat generation amount.
  • the electronic components provided in the fuel cell may be arranged at appropriate positions with respect to the parts (for example, the fuel flow path) constituting the fuel cell.
  • FIG. 23 is a conceptual diagram showing an arrangement example of the electronic component 301 and the fuel flow path when the base 2 of the fuel cell is seen through.
  • the plane see-through direction is, for example, the thickness direction of the thin rectangular parallelepiped base 2 as in the embodiment or the stacking direction of the base 2 formed by stacking the insulating layers 3.
  • the electronic component 301 is, for example, a coil (inductor), a capacitor (capacitor), a resistor, a DCZDC converter (for example, the power supply device 6 and the power supply device 9 for the flow control unit), a filter circuit, and an antenna element. .
  • FIG. 1 FIG.
  • FIG. 23 (a) illustrates a case where the electronic component 301 is provided so as to overlap the storage space 25 of the fuel storage section 16 when the base 2 is seen through in plan view. Since a relatively large amount of fuel is stored in the storage space 25, the temperature change due to power generation is slow in time at the location where the storage space 25 is arranged, and local temperature fluctuations are less likely to occur. For this reason, the temperature of the electronic component 301 is easily kept uniform and constant. Therefore, the performance of the electronic component 301 is stabilized.
  • the electronic component 301 when the electronic component 301 is a coil, a capacitor, or a resistor, fluctuations in inductance, capacitance, and resistance values due to temperature changes are small, and thus these coils, capacitors, and resistors are included.
  • the operation of the DCZDC converter and filter circuit is also stable.
  • the electronic component 301 is an antenna element, gain fluctuation due to temperature change is reduced.
  • the temperature of the fuel in the fuel storage unit 16 is lower than that of the electronic component 301, the heat generated by the electronic component 301 is radiated to the fuel storage unit 16 to prevent overheating of the electronic component 301. It is also possible to raise the fuel to a temperature suitable for power generation.
  • the storage space 25 of the fuel storage unit 16 can be regarded as a part of the fuel flow path because the fuel flows in or out.
  • the internal space of the cartridge 71 (FIG. 8) inserted into the fuel storage unit 1 can also be regarded as a part of the fuel flow path.
  • FIG. 23 (a) it can be understood that the flow path that overlaps with the electronic component 301 when seen through the base 2 in a plan view forms at least a part of the fuel storage section.
  • FIG. 23 (b) illustrates a case where the electronic component 301 is provided so as to overlap the fuel flow path 17 when the base 2 is seen through in plan.
  • the electronic component 301 is provided so as to overlap both the supply section 17a upstream of the battery body 15 and the discharge section 17c downstream of the battery body 15 in the fuel flow path 17. Yes. Note that it may be provided so as to overlap only one of the supply unit 17a and the discharge unit 17c.
  • the electronic component 301 overlaps a plurality of flow paths formed by branching the supply unit 17a.
  • the electronic component 301 may overlap a plurality of flow paths formed by branching the discharge portion 17c.
  • the temperature of the electronic component 301 flows through the fuel flow path 17 as compared with the case where the electronic component 301 does not overlap. It is affected by the temperature of the fuel. Therefore, the electronic component 301 and the fuel flow path 17 do not overlap with each other. Compared to the case where the temperature of the electronic component 301 is affected only by changes in the operating status of the child component 301 and the temperature environment outside the fuel cell, the temperature of the electronic component 301 is adjusted by the temperature of the fuel in the fuel flow path 17. This gives you the option to do it and improves your design freedom.
  • the temperature of the electronic component 301 arranged so as to overlap with the fuel flow path 17 is easily maintained and stable. Performance.
  • the temperature of the fuel in the fuel flow path 17 is lower than that of the electronic component 301, the heat generated by the electronic component 301 can be radiated to the fuel to prevent overheating of the electronic component 301, and the fuel can be generated. It is also possible to raise the temperature to a suitable temperature.
  • the electronic component 301 Since the electronic component 301 is arranged so as to overlap the flow path formed by dividing the fuel flow path 17 into a plurality of parts, the electronic component 301 overlaps the flow path over a wider area. As a result, the above-described effects can be obtained more reliably, and the electronic component 301 is prevented from being locally affected by the heat of the fuel in the fuel flow path 17. In addition, the temperature of all branched flow paths is very close, and even heat can be dissipated evenly, improving heat dissipation efficiency.
  • the electronic component 301 is disposed so as to overlap the supply unit 17a, and the fuel in the supply unit 17a is at a lower temperature than the fuel in the discharge unit 17c. Therefore, when heat is radiated from the electronic component 301 to the fuel, the electronic component 301 can radiate heat to the fuel more efficiently, and the fuel can be raised to a temperature suitable for power generation. Even when the fuel is at a higher temperature than the electronic component 301, the electronic component 301 is prevented from being overheated rather than being disposed at a position overlapping the discharge portion 17c.
  • the arrangement position of the electronic component 301 when seen in a plan view is not limited to the positions shown in FIGS. 23 (a) and 23 (b), and for example, the fuel channel 17 and the fuel storage unit 16 It may be a position that does not overlap, or a position that overlaps both.
  • FIG. 24 (a) shows a case where the electronic component 301 is disposed at a position overlapping the supply part 17a and the discharge part 17c of the fuel flow path 17 as shown in FIG. 23 (b). It is sectional drawing which shows the example of the position of the electronic component 301 in the thickness direction.
  • the electronic component 301 is arranged at a position near the supply unit 17a in the supply unit 17a and the discharge unit 17c. As described above, the temperature of the fuel in the supply unit 17a is discharged. Lower than the temperature of the fuel in part 17c. Therefore, when heat is radiated from the electronic component 301 to the fuel, the electronic component 301 can radiate heat to the fuel more efficiently, and the fuel can be raised to a temperature suitable for power generation. Even when the fuel is at a higher temperature than the electronic component 301, the electronic component 301 is prevented from overheating as compared with the case where the electronic component 301 is disposed at a position close to the discharge portion 17c.
  • the supply unit 17a and the discharge unit 17c are arranged at positions slightly deviated from each other when seen through the plane.
  • the force supply unit 17a and the discharge unit 17c are seen through each other through the plan view. You may arrange
  • the electronic component 301 is disposed closer to the second surface S2 of the first surface S1 and the second surface S2.
  • the second surface S2 is on the outside of the casing of the electronic device such as a mobile phone and the first surface S1 is on the inside of the casing because of the ease of taking in air and discharging the generated water. It is preferable to be attached to. Therefore, when the fuel cell is mounted on the electronic device so that the second surface S2 is on the outside of the housing, the electronic component 301 is simply removed from the outside of the housing of the electronic device. The heat dissipation of the electronic component 301 is also improved.
  • FIG. 24 (b) is a cross-sectional view showing another example of the position in the thickness direction of the base 2 in the electronic component 301 arranged so as to overlap the fuel flow path 17 and the fuel storage unit 16.
  • the electronic component 301 is disposed closer to the first surface S1.
  • terminals 5 and IC302 are arranged. Therefore, if the electronic component 301 is a DCZDC converter that supplies power to the terminal 5 or IC302, the distance between the terminal 5 or IC302 and the DCZDC converter is reduced, preventing power loss and noise contamination. .
  • the position is not limited to the position shown in (b), and may be, for example, a position between the supply unit 17a and the discharge unit 17c, or may be on the first surface S1 and the second surface S2. Good. Further, the arrangement of the terminal 5 and the IC 302 and the arrangement of the supply unit 17a and the discharge unit 17c are also appropriate.For example, in FIG.24 (a), the supply unit 17a and the second surface are arranged on the first surface S1 side. Discharge part 17c is arranged on S2 side The electronic component 301 may be disposed near the first surface SI. In FIG. 24 (a), the terminal 5 and the IC 302 may be arranged on the second surface S2 side. In FIG. 24 (b), the supply unit 17a may be disposed on the first surface S1 side, and the discharge unit 17c may be disposed on the second surface S2 side.
  • FIG. 25 (a) and FIG. 25 (b) show an example of a coil conductor 305 as an example of the electronic component 301
  • FIG. 25 (a) is an exploded perspective view around the coil conductor 305
  • FIG. 25 (b) is a cross-sectional view around the coil conductor 305.
  • the coil conductor 305 is a part of a DCZDC converter or LC filter circuit, for example.
  • a DCZDC converter is an example of a power converter.
  • the power converter may be an ACZDC inverter or a transformer.
  • the coil conductor 305 is arranged with the same size and position as the rectangle indicating the electronic component 301 in FIGS. 23 and 24, for example. That is, the description of the arrangement example of the coil conductor 305 is the same as the description of the arrangement example of the electronic component 301 described above, and is omitted.
  • the coil conductor 305 is formed of, for example, a spiral conductive layer, and is sandwiched between magnetic ferrite layers 306 and 307 having high magnetic permeability. Further, the coil conductor 305 and the magnetic ferrite layers 306 and 307 are sandwiched between nonmagnetic ferrite layers 308 and 309 exhibiting nonmagnetic properties.
  • the laminated body 310 in which the coil conductor 305, the magnetic ferrite layers 306 and 307, and the nonmagnetic ferrite layers 308 and 309 are laminated is formed, for example, to a thickness equivalent to one piece of the insulating layer 3. It is inserted into a hole formed in the insulating layer 3, and is incorporated into a base body that has a stacked body strength of the insulating layer 3.
  • the magnetic substance such as a magnetic flight means a high permeability material having a relative permeability of 100 or more, preferably 500 or more at a frequency of 100 kHz to 10 MHz.
  • a nonmagnetic material such as nonmagnetic ferrite means a material having a relative permeability of 1.1 or less, preferably 1.05 or less at a frequency of 100 kHz to 10 MHz.
  • the coil conductor 305 is connected to a conductive path formed of a conductive layer or via conductor formed in the insulating layer 3 via a conductive layer or via conductor (not shown) formed in the magnetic flight layer 308. Yes.
  • the coil conductor 305 is supplied with power from the battery body 15.
  • the magnetic ferrite layers 306 and 307, the nonmagnetic ferrite layers 308 and 309 constitute a part of the fuel cell base, and the coil conductor 305 is a part of the wiring conductor formed on the base. It can be seen as being made up of.
  • the coil conductor 305 is mainly composed of, for example, at least one metal selected from Cu, Ag, Au, Pt, Al, Ag—Pd alloy, and Ag—Pt alloy.
  • the magnetic ferrite layers 306 and 307 are made of, for example, Fe 2 O, CuO, NiO, or ZnO.
  • Nonmagnetic ferrite layers 308, 309 are for example
  • the laminated body 310 including the coil conductor 305 is formed as follows, for example. First, a conductor paste to be the coil conductor 305 is printed on the ferrite green sheet to be the magnetic ferrite layer 306, and the ferrite green sheet and the ferrite green sheet to be the magnetic ferrite layer 307 and the nonmagnetic ferrite layers 3 08 and 309 are printed. Laminate. Next, the laminated body of the ferrite green sheet is assembled into a hole formed in the ceramic green sheet that becomes the insulating layer 3. Then, the ceramic green sheet and the ceramic green sheet to be the other insulating layer 3 are laminated and fired. By firing, the coil conductor 305 and the magnetic ferrite layer 307 are firmly fixed to each other, and the coil conductor 305 is integrated with the base.
  • the coil conductor 305 that is, the inductor is provided on the base 2 that holds the fuel cell, so that the fuel cell can be multi-functionalized.
  • the inductor constitutes a DCZDC converter, as described in FIG. 7 and the like
  • the generated power is converted to an appropriate voltage and then output to an electronic device to which the fuel cell is mounted.
  • electric power having a voltage suitable for an electronic component (for example, a temperature sensor) provided in the fuel cell can be supplied to the other electronic component.
  • the filter circuit is configured like an LC filter circuit, the operation of the fuel cell can be performed by removing electrical signals and power noise that are input or output to various electronic components (for example, temperature sensors and high-frequency elements). It can be accurate.
  • the coil conductor 305 is composed of a part of the wiring conductor formed on the base body, the coil conductor 305 can be reduced in size as compared with the case where the chip coil is provided in the fuel cell. Further, since the coil conductor 305 is fixed to the base and integrally formed, the size of the coil conductor 305 is further reduced and the disconnection is prevented.
  • the coil conductor 305 is disposed so as to be in contact with the magnetic body, and therefore has a predetermined size. While obtaining the conductance, the coil conductor 305 can be reduced in size and thickness. By using ferrite as the magnetic material, an appropriate strength can be obtained as a part of the substrate, and simultaneous firing with the coil conductor 305 and the insulating layer 3 having a ceramic force is also possible.
  • FIG. 25 (c) shows another arrangement example of the coil conductor 305.
  • the coil conductor 305 is sandwiched between insulating layers 3 constituting the entire base.
  • the insulating layer 3 may be made of a nonmagnetic material such as ceramic or may be made of a magnetic material such as magnetic ferrite.
  • the inductor provided in the fuel cell is not limited to the one illustrated in FIG. 25, and may have various configurations.
  • the inductor is not limited to the one formed by the wiring conductor formed on the base of the fuel cell, and may be a chip-type inductor, for example.
  • the coil conductor is not limited to the one formed by the conductive layer, and for example, it may be three-dimensionally formed over one or more insulating layers including via conductors.
  • a plurality of spiral conductive layers may be connected by via conductors or the like in the thickness direction of the insulating layer or in the direction along the insulating layer! When the coil conductor is in contact with the magnetic ferrite, the nonmagnetic ferrite layers 308 and 309 sandwiching the magnetic ferrite may be omitted.
  • the thickness of the coil forming layer is appropriately set with respect to the thickness of the insulating layer.
  • the thickness may be equivalent to a plurality of insulating layers.
  • FIG. 26 is a cross-sectional view showing an example of a capacitor as an example of the electronic component 301.
  • the capacitor forms part of a DCZDC converter or LC filter circuit, for example.
  • the capacitor 8 in FIG. 7 can be configured.
  • the capacitor 315 includes a pair of electrodes 316 and 317 arranged with the insulating layer 3 interposed therebetween.
  • the electrode 316 and the electrode 317 are composed of a conductive layer formed on the insulating layer 3. In other words, it consists of a part of the wiring conductor formed on the base of the fuel cell.
  • the insulating layer 3 sandwiched between the electrodes 316 and 317 functions as a dielectric.
  • a dielectric 318 made of a material different from that of the insulating layer 3 is disposed between the electrodes 316 and 317.
  • the dielectric 318 has a thickness equivalent to one insulating layer 3, and the insulating layer 3 It is incorporated in the formed hole.
  • the dielectric 318 is, for example, barium titanate or barium titanate.
  • the capacitors 315 and 315 ′ are arranged in the same size and position as the rectangle indicating the electronic component 301 in FIGS. 23 and 24, for example. That is, the description of the arrangement example of the capacitors 315 and 315 is the same as the description of the arrangement example of the electronic component 301 described above, and is omitted. Electric power is supplied from the battery body 15 to the capacitors 315 and 315 ′ via the conductive path 18.
  • the capacitor 315 shown in FIG. 26 (a) is printed, for example, on a ceramic green sheet that becomes the insulating layer 3, by printing a conductor paste that becomes the electrodes 316 and 317, and then, a plurality of insulating layers 3 are laminated and fired. It is formed by doing.
  • the capacitor shown in Fig. 26 (b) the capacitor 315 ′, the dielectric 318 is incorporated by providing a hole in the ceramic green sheet before firing the ceramic green sheet.
  • a conductive paste to be the electrodes 316 and 317 may be printed on the material to be the dielectric 318 and fired.
  • the capacitor 315, 315 ' that is, the capacitor is provided on the base body 2 holding the fuel cell, so that the fuel cell can be multifunctionalized. It is done.
  • the capacitors 315 and 315 ' are formed of a part of the wiring conductor formed on the base body, the size can be reduced as compared with a case where a chip capacitor is provided in the fuel cell. Further, since the capacitors 315 and 315 ′ are fixedly integrated with the base body, the size can be further reduced, and the ease of manufacture by simultaneous firing with the insulating layer 3 can also be achieved.
  • various electronic circuits such as a DCZDC converter and a filter circuit configured to include electrical elements such as an inductor, a capacitor, and a resistor as the electronic component 301 may have any known configuration.
  • the DCZDC converter may be constituted by any of an insulation type, a non-insulation type, a self-excitation type, a separate excitation type, a step-down type, a step-up type, an inverting type, and a flyback type.
  • the filter circuit consists of a low-pass filter, a high-pass filter, a band-pass filter, a band elimination filter, an LC filter, an elector's mechanical filter, an active RC filter, a mechanical filter, a crystal filter, and a piezoelectric ceramic filter. Also good.
  • the capacitors provided in the fuel cell are not limited to those illustrated in FIG. 26, and may have various configurations.
  • the capacitor is formed of a wiring conductor formed on the base of the fuel cell.
  • a chip type capacitor may be used.
  • the electrodes are not limited to those formed of a conductive layer, and may be configured in a three-dimensional manner over one or more insulating layers including via conductors, for example.
  • a plurality of capacitors may be connected by via conductors or the like in the thickness direction of the insulating layer or in the direction along the insulating layer.
  • the thickness between the electrodes may be thinner or thicker than the thickness of one insulating layer.
  • FIG. 27 is a cross-sectional view showing an antenna element 321 as an example of the electronic component 301.
  • the arrangement example of the antenna element 321 is, for example, the same position and size as the rectangle indicating the electronic component 301 in FIGS. That is, the description of the arrangement example of the antenna element 321 is the same as the description of the arrangement example of the electronic component 301 described above, and is omitted.
  • the antenna element 321 is illustrated as an example in which the antenna element 321 is formed with a width extending over the fuel storage section 16 and the fuel flow path 17 on the second surface S2 of the base 2.
  • the antenna element 321 is configured by forming a conductive layer in an appropriate pattern on the second surface S2. In other words, it consists of a part of the wiring conductor formed on the substrate 2.
  • the antenna element 321 is electrically connected to the high-frequency element 322 through the conductive path 18.
  • the high frequency element 322 is constituted by an IC, for example.
  • a shield layer 323 is formed on the inner side of the base 2 from the antenna element 321, and the antenna element 321 is separated from other electronic components disposed on the first surface S1 side. Yes.
  • the conductive path 18 that connects the antenna element 321 and the high-frequency element 322 passes through a hole formed in the shield layer 323.
  • one or more insulating layers 3 are interposed between the antenna element 321 and the shield layer 323. Note that all or part of the layer between the antenna element 321 and the shield layer 323 may have a dielectric constant different from that of the other insulating layers 3, and the antenna characteristics may be adjusted as appropriate.
  • the antenna element 321 and the high-frequency element 322 may be electrically coupled by electromagnetic coupling without passing through the conductive path 18! / ⁇ .
  • the shape of the antenna element 321 may be an appropriate antenna shape such as a patch antenna, a loop antenna, a slot antenna, a dipole antenna, a monopole antenna, a meander antenna, a helical antenna, or a spiral antenna.
  • the antenna element 321 and the like shown in FIG. 27 are printed on a ceramic green sheet that becomes the insulating layer 3, for example, with a conductor paste that becomes the antenna element 321 and the shield layer 323, and then a plurality of The insulating layer 3 is laminated and fired.
  • Appropriate information may be transmitted from the antenna element 321, and appropriate information may be received by the antenna element 321.
  • the information may be related to the function as a fuel cell or may not be related.
  • information indicating the operation status of the fuel cell is transmitted from the antenna element 321 as information on the detection results of various sensors such as the power generation amount, fuel temperature, and fuel concentration, and information obtained by calculating the information on the detection results. It's okay.
  • the operating status of the fuel cell can be monitored and the fuel cell can be managed.
  • target values such as power generation amount, fuel temperature, fuel concentration, etc. are transmitted by other equipment, and the target values are received by the antenna element 321 and received. Based on the target value, the fuel cell control device may control the operation of the flow control unit or the like. In this case, it is possible to easily change the setting of the operation control of the fuel cell.
  • the fuel cell is provided with an electronic component (for example, a small surveillance camera) that performs a function different from that of the fuel cell, information obtained by the other electronic component (for example, video information) is provided. ).
  • an electronic component for example, a small surveillance camera
  • information obtained by the other electronic component for example, video information
  • the antenna element 321 is provided on the base 2 that holds the fuel cell, so that the fuel cell can be multi-functionalized.
  • the antenna element 321 is composed of a part of the wiring conductor formed on the substrate 2, the antenna element 321 can be reduced in size as compared with a case where an external antenna is provided in the fuel cell. Further, since the antenna element 321 is fixedly integrated with the base body 2, the size can be further reduced and the disconnection can be prevented. Simplification of manufacturing by simultaneous firing of the antenna element 321 and the insulating layer 3 is also achieved.
  • the case where the coil conductor, the electrode of the capacitor, the antenna element, and the like are configured by the wiring conductor formed on the base body is illustrated.
  • the wiring conductor is laminated on the surface of the base body.
  • the conductive layer is not limited to the one that is fixed to the substrate by being co-fired with the substrate and integrated with the substrate. For example It may be incorporated by being inserted into the hole of the substrate after the body is fired.
  • the inductor and the antenna are preferably on the other side of the substrate. This makes it difficult to transfer heat from the battery body to the inductor and antenna, and the characteristics of the inductor and antenna can be maintained well.
  • the flow path crosses between the battery body and the inductor or between the battery body and the antenna. As a result, heat transfer from the battery body to the inductor and antenna can be effectively suppressed by the flow path, and the characteristics of the inductor and antenna can be further stabilized.
  • the method of controlling the power generation amount is not limited to fuel control.
  • the amount of oxygen supplied to the electrolyte member may be controlled.
  • an electromagnetic valve or a flow control unit is provided in the air flow path to control the amount of oxygen.
  • reaction control unit that controls the amount of power generation may be provided in the fuel cell, or may be provided in the main body of the electronic device to which the fuel cell is connected. Further, when the reaction control unit is configured by the control unit of the fuel cell and the control unit of the electronic device main body, the division of roles between the two may be appropriately set. For example, the control unit of the electronic device main body may calculate up to the fuel flow rate corresponding to the electric power required by only the necessary electric power and output it to the control unit of the fuel cell.
  • processing based on the characteristics of the electronic device main body such as calculation of required power is borne by the control unit of the electronic device main body, and processing based on the characteristics of the fuel cell such as calculation of the flow rate corresponding to the required power is performed by the fuel cell.
  • the fuel cell compatibility is higher when the control unit is burdened.
  • the display unit and the operation unit may be provided in the fuel cell.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

La présente invention concerne une pile à combustible qui peut être de petite taille et à fonctions multiples. Cette invention concerne plus spécifiquement une pile à combustible (1) comprenant une base (2), un canal de combustible (17) qui est composé d'une partie creuse de la base (2), un élément électrolyte (21) qui est agencé de façon être en contact avec une partie du canal de combustible (17) et un conducteur de bobine (305) agencé sur la base.
PCT/JP2006/319560 2005-09-30 2006-09-29 Pile a combustible et dispositif electronique comprenant cette pile a combustible Ceased WO2007037422A1 (fr)

Priority Applications (1)

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JP2007537733A JP5068658B2 (ja) 2005-09-30 2006-09-29 燃料電池及び当該燃料電池を備えた電子機器

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JP2005286306 2005-09-30
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JP2006-098736 2006-03-31
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EP2224525A1 (fr) 2009-02-27 2010-09-01 Research In Motion Limited Emplacement d'une pile à combustible dans un dispositif mobile
US8133621B2 (en) 2009-02-27 2012-03-13 Research In Motion Limited Location of a fuel cell on a mobile device
JP2012074286A (ja) * 2010-09-29 2012-04-12 Dainippon Printing Co Ltd 膜−電極接合体中間体、膜−電極接合体、及び固体高分子形燃料電池、並びに膜−電極接合体中間体及び膜−電極接合体の製造方法
JP2018137737A (ja) * 2017-02-21 2018-08-30 京セラ株式会社 アンテナ基板

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JP2005158537A (ja) * 2003-11-26 2005-06-16 Kyocera Corp 燃料電池用容器および燃料電池ならびに電子機器
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Publication number Priority date Publication date Assignee Title
WO2009081814A1 (fr) * 2007-12-25 2009-07-02 Sony Corporation Pile à combustible et procédé de mesure de la température
JP2009158143A (ja) * 2007-12-25 2009-07-16 Sony Corp 燃料電池および温度測定方法
CN101904035A (zh) * 2007-12-25 2010-12-01 索尼公司 燃料电池和温度测量方法
EP2224525A1 (fr) 2009-02-27 2010-09-01 Research In Motion Limited Emplacement d'une pile à combustible dans un dispositif mobile
US8133621B2 (en) 2009-02-27 2012-03-13 Research In Motion Limited Location of a fuel cell on a mobile device
US9648151B2 (en) 2009-02-27 2017-05-09 Blackberry Limited Location of a fuel cell on a mobile device
JP2012074286A (ja) * 2010-09-29 2012-04-12 Dainippon Printing Co Ltd 膜−電極接合体中間体、膜−電極接合体、及び固体高分子形燃料電池、並びに膜−電極接合体中間体及び膜−電極接合体の製造方法
JP2018137737A (ja) * 2017-02-21 2018-08-30 京セラ株式会社 アンテナ基板
JP7005357B2 (ja) 2017-02-21 2022-01-21 京セラ株式会社 アンテナ基板

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