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WO2014109034A1 - Module de batterie - Google Patents

Module de batterie Download PDF

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Publication number
WO2014109034A1
WO2014109034A1 PCT/JP2013/050322 JP2013050322W WO2014109034A1 WO 2014109034 A1 WO2014109034 A1 WO 2014109034A1 JP 2013050322 W JP2013050322 W JP 2013050322W WO 2014109034 A1 WO2014109034 A1 WO 2014109034A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
cooling plate
battery block
battery module
block
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/JP2013/050322
Other languages
English (en)
Japanese (ja)
Inventor
貴支 鈴木
倫弘 木村
直樹 小島
江尻　裕城
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.)
Vehicle Energy Japan Inc
Original Assignee
Hitachi Vehicle Energy Ltd
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 Hitachi Vehicle Energy Ltd filed Critical Hitachi Vehicle Energy Ltd
Priority to PCT/JP2013/050322 priority Critical patent/WO2014109034A1/fr
Priority to JP2014556269A priority patent/JP5960289B2/ja
Publication of WO2014109034A1 publication Critical patent/WO2014109034A1/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a battery module having a plurality of battery blocks in which a plurality of unit cells are arranged and connected.
  • a battery module for a vehicle including a battery block in which a large number of single cells are arranged in recent years has a large amount of heat generation because the current of charging and discharging is extremely large. It is necessary to cool the temperature rise of the unit cell to reduce the performance and life of the unit cell.
  • Patent Document 1 As a method of cooling a unit cell, there is known a method of arranging a cooling plate having a flow path of a refrigerant in thermal coupling with a plurality of unit cells and supplying the refrigerant to the cooling plate to cool the unit cell.
  • the present invention has been developed for the purpose of solving such problems. It is an important object of the present invention to provide a battery module capable of increasing the number of unit cells in a limited area while preventing short circuit of the electrode due to dew condensation water.
  • composition of a claim is adopted, for example.
  • the battery module of the present invention includes a plurality of means for solving the above-mentioned problems, and an example thereof is a battery module having a plurality of battery blocks in which a plurality of unit cells are arranged and connected, and each battery In the block, the electrode surface of the unit cell is located on one side in the lateral width direction of the battery block, and the unit cell is arranged in an orientation state where the bottom surface of the unit cell is located on the other side in the lateral width direction.
  • the cooling plate has a configuration heat-transferably coupled to the bottom surface of the unit cell, and the cooling plate is characterized in that a plurality of stages are stacked in the height direction of the battery block.
  • condensed water can be spatially separated reliably from the electrode surface of the unit cell, and the number of unit cells can be increased in a limited area while preventing short circuit of the electrode due to the condensed water.
  • the subject except having mentioned above, a structure, and an effect are clarified by description of the following embodiment.
  • FIG. 7 is a partial cross-sectional view for explaining a thermal coupling state of the unit cell and the cooling plate.
  • FIG. FIG. 2 is a perspective view of one embodiment of a battery module.
  • FIG. 1 is an external perspective view of a battery block according to the present embodiment
  • FIG. 2 is a perspective view showing a state in which a part of the battery block shown in FIG. 1 is disassembled.
  • the battery block 1 has a configuration in which a plurality of single cells 2 are arranged. Then, a plurality of spacers 3 individually interposed between the plurality of single cells 2, and a bridge bar 4 extending along the arrangement direction of the plurality of single cells 2 and engaged with the plurality of spacers 3 Have.
  • the battery block 1 is disposed at both ends in the arrangement direction of the plurality of unit cells 2 and sandwiched from both sides in the arrangement direction, and is interposed in the middle of the arrangement direction of the pair of end plates 5 and 5 made of aluminum alloy and the plurality of unit cells 2
  • Section plate 6 made of an aluminum alloy that divides the plurality of unit cells 2 into one side and the other side in the arrangement direction, and from one end to the other end of the plurality of unit cells 2
  • a pair of connecting plates 7 are provided, which extend across the portion and to which the pair of end plates 5 and the section plates 6 and the bridge bars 4 are fixed. Fixing is performed by fastening a screw.
  • On the upper side in the height direction of each unit cell 2, one insulating cover 8 is covered with the section plate 6 as a boundary, and the substrate unit 9 is disposed on the insulating cover 8.
  • the positive electrode external terminals 2a and the negative electrode external terminals 2b are alternately arranged in the plurality of unit cells 2 along the arrangement direction, and the positive electrode external terminals 2a and the negative electrode external terminals 2b of the unit cells 2 are adjacent to each other.
  • a plurality of bus bars 10 are electrically connected to one another by a plurality of bus bars 10, respectively.
  • Each bus bar 10 is connected to the connection terminal 9 a of the substrate unit 9.
  • the substrate unit 9 has a circuit, a fuse, and the like for measuring the voltage of each unit cell 2.
  • a terminal cap 11 is provided on the upper side of the substrate unit 9 in the height direction of the unit cell 2 so as to cover the terminal of each unit cell 2 by fitting to the insulating cover 8.
  • the cooling plate 12 is located on the lower side in the battery height direction of each unit cell 2 and is fixed to the end plate 5 and the section plate 6 by fastening screws. Between each unit cell 2 and the cooling plate 12, there is provided a heat conducting sheet 13 which is arranged to be in a thermally coupled state in heat transferably coupled to each other.
  • FIG. 3 is a partial cross-sectional view of the battery block 1 for explaining the thermally coupled state of the unit cell 2 and the cooling plate 12.
  • the temperature of the unit cell 2 due to charge and discharge is transmitted to the cooling plate 12 from the lower side in the battery height direction of the unit cell 2 via the heat conductive sheet 13.
  • the heat conductive sheet 13 may use an adhesive having thermal conductivity instead of the sheet material.
  • FIG. 4 is a view for explaining the configuration of the cooling plate 12, and FIG. 4 (A) is a front view of the cooling plate 12, and FIG. 4 (B) is a rear view of the cooling plate 12.
  • the cooling plate 12 is made of, for example, a thick plate member made of a highly heat conductive metal such as an aluminum alloy.
  • the cooling plate 12 is opposed to the bottom surface PB of each unit cell 2 and extends in the battery arranging direction, and has a flat plate shape substantially rectangular in plan view having a height substantially the same as the battery width of the unit cell 2 It has an exposed surface 12 a exposed to the outside of the battery block 1 and an opposed surface 12 b opposed to the bottom surface of each unit cell 2 via the heat conductive sheet 13.
  • the cooling plate 12 includes a cooling pipe 12A, which is a flow path of the refrigerant as shown in FIGS. 3 and 4, and is cooled by circulating the refrigerant in the cooling pipe 12A by a refrigerant circulation and heat exchange device (not shown). Be done.
  • the cooling pipe 12A is inserted into a through hole formed through the cooling plate 12 and is integrally fixed.
  • the cooling pipes 12A are arranged to extend parallel to one another along the arrangement direction of the unit cells 2.
  • a plurality of concave grooves 12c, 12d are provided.
  • the plurality of concave grooves 12c, 12d move in the arrangement direction as they move downward from above the exposed surface 12a, and the grooves 12d extend vertically vertically at the central position of the exposed surface 12a, And a concave groove 12c inclined toward the lower central position of the exposed surface 12a.
  • a plurality of recessed grooves 12 c are formed to be arranged at predetermined intervals above and below each other. Therefore, when the condensed water flows down vertically along the exposed surface 12a, the flowing direction can be changed by the recessed grooves 12c and 12d, and the liquid can be positively guided to the lower central position.
  • the guiding means is not limited to the recessed grooves 12c and 12d.
  • protruding ridges protruding from the exposed surface 12a may be provided, and the recessed grooves 12c and 12d and A configuration in which convex ridges are combined may be used.
  • the guiding means is not limited to one integrally formed on the cooling plate 12 like the recessed grooves 12c and 12d, and another member such as a plastic or a seal may be retrofitted to the exposed surface 12a. It is also good.
  • the unit cells 2 are all lithium ion secondary batteries having the same configuration, and as shown in FIG. 5, are flat box-shaped prismatic batteries having a positive electrode external terminal 2a and a negative electrode external terminal 2b for inputting and outputting a voltage.
  • a bolt for fastening the bus bar 10 is protruded from both the external terminals 2a and 2b, and the bus bar 10 can be fixed with a nut.
  • the unit cell 2 accommodates an electrode group including both external terminals 2a and 2b in a flat rectangular container 2c, and seals an upper opening of the rectangular container 2c with a battery lid 2d.
  • the rectangular container 2c includes a pair of electrode surfaces PU provided with the external terminals 2a and 2b, a bottom surface PB substantially rectangular in a plan view facing the electrode surface PU, and a pair of long sides bent by a pair of long sides of the bottom surface PB. It has a wide side surface PW and a pair of narrow side surfaces PN which are bent at a pair of short sides of the bottom surface PB to face each other.
  • a liquid injection hole and a gas release valve 2f are formed in the center of the battery lid 2d.
  • the liquid injection hole is used for injecting the non-aqueous electrolyte into the rectangular container 2c after the upper opening of the rectangular container 2c is sealed with the battery lid 2d, and is sealed by the sealing plug 2e after the injection.
  • the gas release valve 2 f is configured to release the internal gas when the internal pressure in the rectangular container 2 c becomes equal to or more than a predetermined value.
  • the weight and size of the entire battery block 1 can be adjusted by changing the number of cells 2 to be configured, and the assembly workability of the battery block 1 and the accuracy of the components to be configured The strength can be secured.
  • FIG. 6 is an external perspective view of one embodiment of a battery module
  • FIG. 7 is a perspective view showing a partially disassembled battery module shown in FIG. 6, and
  • FIG. 8 is a battery module 14 viewed from the cooling plate 12 side.
  • FIG. 9 is a longitudinal sectional view of the battery module 14, and
  • FIG. 10 is a perspective view of the intermediate bracket.
  • the battery module 14 has a configuration in which two battery blocks 1 are stacked and arranged in two upper and lower stages in the height direction.
  • the cell surface PU of the unit cell 2 is positioned on one side in the lateral width direction
  • the bottom surface PB of the unit cell 2 is positioned on the other side in the lateral direction. 2 is arranged. That is, in the battery module 14, one side on the left and right in the lateral width direction orthogonal to the battery arrangement direction is on the electrode surface PU side, and the other side is on the bottom surface PB side.
  • the cooling plate 12 is disposed on the other side in the lateral width direction of the battery blocks 1A and 1B, and is coupled to the bottom surface PB of each unit cell 2 so as to be capable of heat transfer.
  • the battery module 14 includes an inter-block bus bar 17 for electrically connecting the upper battery block 1A and the lower battery block 1B. Further, in order to perform battery input / output as the battery module 14, a battery input / output line 19 is connected to the battery blocks 1A and 1B.
  • the lower battery block 1A and the upper battery block 1B are fixed to each other by an intermediate bracket 16.
  • the middle bracket 16 is fixed to the end plate 5 of the lower battery block 1A and the end plate 5 of the upper battery block 1B by fastening screws.
  • the intermediate bracket 16 is formed of a substantially flat plate member having a size extending over the entire surface between the lower battery block 1A and the upper battery block 1B, and as shown in FIG. 10, the battery of the flat portion 16c Through holes 16 a for screwing the end plate 5 are provided at both ends in the arrangement direction.
  • the middle bracket 16 is formed by pressing a metal plate in the present embodiment.
  • the intermediate bracket 16 is provided with a stepped portion 16 b extending in the battery arrangement direction at an intermediate position in the width direction of the battery block 1.
  • the step portion 16b is disposed in a space formed between the lower battery block 1A and the upper battery block 1B.
  • the stepped portion 16b has a pair of concave portions recessed downward from the flat surface portion 16c, and a convex portion protruding above the flat surface portion 16c between the pair of concave portions. Therefore, when the dew condensation water which has flowed down from the cooling plate 12 of the battery block 1B of the upper stage is transferred from the cooling plate 12 side to the electrode surface PU side along the upper surface of the intermediate bracket 16, it may be blocked by the step 16b. It is possible to prevent condensation water from reaching the external terminals 2 a and 2 b of the unit cell 2 and the electrical system such as the substrate unit 9.
  • FIG. 11 is a view for explaining a fixing state of the battery blocks 1A and 1B to the intermediate bracket 16, and is an enlarged perspective view showing a portion A of FIG.
  • the end plate 5 is provided with projections 5a and 5b so that the lower battery block 1A and the upper battery block 1B can be simultaneously screwed to the intermediate bracket 16 when the battery blocks 1 are stacked.
  • the protrusions 5a and 5b are separately provided at one end and the other end of the end plate 5 in the vertical direction, and in the example shown in FIG. 11, the protrusions 5a (first protrusions) are the end plate 5
  • the projection 5 b (second projection) is provided at the upper end of the end plate 5.
  • the protrusion 5 a faces the upper surface of the intermediate bracket 16 and has a configuration in which the intermediate bracket 16 can be screwed from below the intermediate bracket 16.
  • the protrusion 5 b faces the lower surface of the intermediate bracket 16 and is intermediate The intermediate bracket 16 can be screwed from above the bracket 16.
  • the protrusions 5a and 5b are provided in pairs, mutually separated in the lateral width direction.
  • the distance between the pair of protrusions 5a is set to be wider than the distance between the pair of protrusions 5b, and when the battery blocks 1A and 1B are vertically stacked with the intermediate bracket 16 in between,
  • the protrusion 5a is arranged to be offset outward in the lateral width direction than the protrusion 5b.
  • a screw hole (not shown) is screwed on the lower surface of the protrusion 5a and the upper surface of the protrusion 5b, and the lower portion of the protrusion 5a and the upper portion of the protrusion 5b are inserted through the through holes 16a of the intermediate bracket 16 from above. By screwing a screw into the screw hole, the upper block 1A and the lower block 1B are simultaneously screwed to the intermediate bracket 16.
  • FIG. 12 is a perspective view showing a portion B of FIG. 8 in an enlarged manner.
  • the intermediate bracket 16 has a weir groove portion 16d for collecting condensation water flowing down from the cooling plate 12 of the battery block 1B of the upper stage, and a drainage hole 16e which is opened to the weir groove portion 16d and drains condensation water in the weir groove portion 16d.
  • the ridge groove portion 16d is formed by recessing a groove having a predetermined depth in the flat surface portion 16c, and the drainage hole 16e is formed by vertically penetrating the ridge groove portion 16d.
  • the ridge groove portion 16 d is provided to extend along the exposed surface 12 a of the cooling plate 12 at a position below the cooling plate 12 of the battery block 1 B in the upper stage.
  • the arrangement direction of the cell 2 is not divided by the section plate 6 It may be a continuous configuration.
  • the drainage holes 16e are provided near the central position of the intermediate bracket 16 in the unit cell arrangement direction so as to be disposed below the lower central position of the cooling plate 12, as shown in FIG. Condensed water generated around the cooling plate 12 due to the difference in the outside air temperature in the battery block 1B in the upper stage flows downward on the exposed surface 12a of the cooling plate 12 downward. Then, it is guided toward the lower central position of the exposed surface 12a by the recessed grooves 12c and 12d, and collected around the drainage hole 16e of the weir groove 16d.
  • the dew condensation water collected around the drainage hole 16e of the gutter groove 16d passes through the drainage hole 16e and falls downward, is collected in the gutter groove 16d of the base bracket 15, and when it reaches a certain amount, the drainage hole of the gutter groove 16d Pass 15e and drain downward.
  • the base bracket 15 is attached to the lower part of the lower battery block 1A.
  • the base bracket 15 has, for example, a structure for arranging and fixing the battery module 14 in the center console of the vehicle.
  • the base bracket 15 is fixed by fastening a screw to the end plate 5 of the lower battery block 1A.
  • the base bracket 15 has the same shape as the intermediate bracket 16 in the present embodiment. Similar to the intermediate bracket 16, the base bracket 15 is provided with a step 16b extending in the battery arrangement direction, and the condensed water flowing down the cooling plate 12 of the lower battery block 1A is the base bracket It is formed so as to block the movement from the cooling plate 12 side to the electrode surface PU side along the upper surface 15.
  • FIG. 13 is an enlarged perspective view of a portion C of FIG.
  • the base bracket 15 has a weir groove portion 15d for receiving condensation water flowing down from the cooling plate 12 of the lower battery block 1A, and a drainage hole 15e for opening the weir groove portion 15d to drain condensation water in the weir groove portion 15d.
  • the ridge groove portion 15d is formed by recessing a groove having a predetermined depth in the flat surface portion 15c, and the drainage hole 15e is formed by vertically penetrating the ridge groove portion 15d.
  • the ridge groove portion 15 d is provided to extend along the exposed surface 12 a of the cooling plate 12 at a position below the cooling plate 12 of the lower battery block 1 A.
  • the arrangement direction of the cell 2 is not divided by the section plate 6. It may be a continuous configuration.
  • the drainage holes 15 e are provided near the central position of the base bracket 15 in the cell arrangement direction so as to be disposed below the lower central position of the cooling plate 12. Condensed water generated around the cooling plate 12 due to the difference in the outside air temperature in the lower battery block 1A flows downward on the exposed surface 12a of the cooling plate 12. Then, it is guided toward the lower central position of the exposed surface 12a by the recessed grooves 12c and 12d, and collected around the drainage hole 15e of the weir groove portion 15d.
  • the weir groove portion 15d is disposed below the weir groove portion 16d of the intermediate bracket 16, and can receive and collect condensation water falling from the drainage hole 16e of the weir groove portion 16d. Then, when the condensation water collected in the weir groove portion 15d reaches a certain amount, it passes through the drainage hole 15e and is discharged from the drainage pipe 18 connected to the base bracket 15 to the outside of the module.
  • the electrode surface PU of the unit cell 2 and the cooling plate 12 are separately disposed on one side and the other side of the battery blocks 1A and 1B in the lateral width direction, and the battery blocks 1A and 1B Can be prevented from flowing to the electrode surface PU side of the unit cell 2 by stacking condensation water which has flowed down the surface of the cooling plate 12 in the same direction.
  • concave grooves 12c and 12d are provided on the exposed surface 12a of the cooling plate 12, and the condensed water generated on the exposed surface 12a of the cooling plate 12 is guided to the ridge grooves 16d and 15d, and the drainage holes 16e and 15e are formed. Can be drained from
  • the base bracket 15 and the intermediate bracket 16 are provided with stepped portions 15b and 16b between the surface of the cooling plate 12 and the surfaces of the electrodes 2a and 2b of the unit cell 2, respectively. It is possible to block and prevent the condensation water generated at 12 from flowing into the electrode surface PU side of the unit cell 2.
  • the condensation water can be spatially separated reliably from the electrode surface PU of the unit cell 2 and the condensation water can be discharged. Can be prevented. And by arranging a plurality of battery blocks 1, it is possible to increase the number of single cells 2 in a limited area.
  • the battery module 14 has a structure in which the intermediate bracket 16 is attached to the lower battery block 1 A and the upper battery block 1 B is attached to the intermediate bracket 16. Assuring dimensional accuracy and strength of component parts can be facilitated.
  • the number of the unit cells 2 can be increased in a limited area while preventing the short circuit of the electrodes, and a plurality of battery blocks 1 having a predetermined number of arrays are arranged.
  • the number of the unit cells 2 can be increased while securing the assembly workability of the battery module 14 and the dimensional accuracy and strength of the components constituting the battery block.
  • the above-described embodiment has been described in detail in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to one having all the described configurations.
  • part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'objectif de la présente invention est de fournir un module de batterie dans lequel le nombre de cellules d'unité peut être augmenté dans une surface limitée tout en évitant que les électrodes ne court-circuitent en raison d'eau de condensation de rosée. Le module de batterie (14) selon la présente invention comprend une pluralité de blocs-batteries (1) formés par agencement et couplage d'une pluralité de cellules d'unité (2). Dans chacun des blocs-batteries (1), les cellules d'unité (2) sont agencées dans un état de positionnement tel que la surface d'électrode (PU) des cellules d'unité (2) est positionnée sur un côté dans la direction de largeur latérale des blocs-batteries (1) et la surface inférieure (PB) des cellules d'unité (2) est positionnée sur l'autre côté dans la direction de largeur latérale. Le module de batterie (14) comprend également une configuration dans laquelle une plaque de refroidissement (12) ayant un trajet d'écoulement de réfrigérant (12A) est couplée à la surface inférieure (PB) des cellules d'unité (2) de façon à être apte à transmettre de la chaleur. Les blocs-batteries (1) sont agencés en étant empilés en de multiples étages dans la direction de la hauteur de ceux-ci.
PCT/JP2013/050322 2013-01-10 2013-01-10 Module de batterie Ceased WO2014109034A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2013/050322 WO2014109034A1 (fr) 2013-01-10 2013-01-10 Module de batterie
JP2014556269A JP5960289B2 (ja) 2013-01-10 2013-01-10 電池モジュール

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/050322 WO2014109034A1 (fr) 2013-01-10 2013-01-10 Module de batterie

Publications (1)

Publication Number Publication Date
WO2014109034A1 true WO2014109034A1 (fr) 2014-07-17

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PCT/JP2013/050322 Ceased WO2014109034A1 (fr) 2013-01-10 2013-01-10 Module de batterie

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JP (1) JP5960289B2 (fr)
WO (1) WO2014109034A1 (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016059461A1 (fr) * 2014-10-15 2016-04-21 Toyota Jidosha Kabushiki Kaisha Appareil d'alimentation électrique embarqué
JP2016192335A (ja) * 2015-03-31 2016-11-10 日立オートモティブシステムズ株式会社 電池パック
JP2017157542A (ja) * 2016-03-03 2017-09-07 寧徳時代新能源科技股▲分▼有限公司 電池パック
JP2018045891A (ja) * 2016-09-15 2018-03-22 トヨタ自動車株式会社 電池システム
WO2018071762A1 (fr) * 2016-10-14 2018-04-19 Inevit, Inc. Chambre à compartiments de modules de batterie et zone de montage de modules de batterie d'un système de stockage d'énergie et procédé associé
EP3360195A4 (fr) * 2015-11-24 2018-08-29 BYD Company Limited Bloc-batterie d'alimentation et véhicule électrique pourvu de celui-ci
JP2019091555A (ja) * 2017-11-13 2019-06-13 マツダ株式会社 電気車両のバッテリ搭載構造
JP2020021708A (ja) * 2018-08-03 2020-02-06 株式会社デンソー 組電池
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JP2020074280A (ja) * 2019-10-07 2020-05-14 株式会社エンビジョンＡｅｓｃジャパン 電池パック
EP3667806A1 (fr) * 2018-12-10 2020-06-17 Volvo Car Corporation Ensemble de batterie de véhicule utilisant des plaques de refroidissement latérales
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JP2023045747A (ja) * 2021-09-22 2023-04-03 いすゞ自動車株式会社 バッテリー冷却装置
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JP2020021708A (ja) * 2018-08-03 2020-02-06 株式会社デンソー 組電池
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JP7385672B2 (ja) 2019-04-12 2023-11-22 寧徳時代新能源科技股▲分▼有限公司 電池モジュール
JP2022523847A (ja) * 2019-04-12 2022-04-26 寧徳時代新能源科技股▲分▼有限公司 電池モジュール
WO2020213597A1 (fr) 2019-04-19 2020-10-22 パナソニックＩｐマネジメント株式会社 Batterie
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JP2020074280A (ja) * 2019-10-07 2020-05-14 株式会社エンビジョンＡｅｓｃジャパン 電池パック
JP2020074278A (ja) * 2019-10-07 2020-05-14 株式会社エンビジョンＡｅｓｃジャパン 電池パック
CN111403853A (zh) * 2020-03-28 2020-07-10 哈尔滨工程大学 一种基于极耳与模组底部联合液冷散热的动力电池热管理系统
JPWO2021199535A1 (fr) * 2020-03-31 2021-10-07
CN115210943A (zh) * 2020-03-31 2022-10-18 三洋电机株式会社 电源装置和具备该电源装置的车辆以及蓄电装置
WO2021199535A1 (fr) * 2020-03-31 2021-10-07 三洋電機株式会社 Dispositif d'alimentation ainsi que véhicule et dispositif de stockage d'énergie l'utilisant
JP7649295B2 (ja) 2020-03-31 2025-03-19 三洋電機株式会社 電源装置及びこれを備える車両並びに蓄電装置
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JP7302635B2 (ja) 2021-09-22 2023-07-04 いすゞ自動車株式会社 バッテリー冷却装置
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JP7636514B2 (ja) 2021-09-30 2025-02-28 香港時代新能源科技有限公司 電池及びその製造方法と製造システム、電力消費装置
WO2023087725A1 (fr) * 2021-11-18 2023-05-25 湖北亿纬动力有限公司 Système de batterie
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