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WO2018042942A1 - Électrode destinée à des cellules empilées et cellule empilée - Google Patents

Électrode destinée à des cellules empilées et cellule empilée Download PDF

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Publication number
WO2018042942A1
WO2018042942A1 PCT/JP2017/026629 JP2017026629W WO2018042942A1 WO 2018042942 A1 WO2018042942 A1 WO 2018042942A1 JP 2017026629 W JP2017026629 W JP 2017026629W WO 2018042942 A1 WO2018042942 A1 WO 2018042942A1
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WO
WIPO (PCT)
Prior art keywords
electrode
negative electrode
positive electrode
mixture layer
current collector
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/JP2017/026629
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English (en)
Japanese (ja)
Inventor
阿部　誠
西村　悦子
野家　明彦
新平 尼崎
和明 直江
祐介 加賀
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Publication of WO2018042942A1 publication Critical patent/WO2018042942A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a laminated battery electrode and a laminated battery.
  • Patent Document 1 discloses the following stacked secondary battery.
  • the electrode body 14 of the nonaqueous electrolyte secondary battery has a positive electrode 18 and a negative electrode 20 that are overlapped with a separator 22 interposed therebetween.
  • the negative electrode protrudes from the negative electrode current collector 20a having an outer edge and the outer edge of the negative electrode current collector.
  • a negative electrode tab 20c formed integrally with the negative electrode current collector, and a negative electrode active material layer 20b containing lithium titanate supported on the base end of the negative electrode tab over the entire width of the negative electrode current collector.
  • the negative electrode 20 is overlapped with the positive electrode 18 in a state where the negative electrode active material layer 20b is located inside the outer edge of the positive electrode active material layer 18b except for a portion where the negative electrode active material layer 20b is formed on the negative electrode tab, and is formed at the base end portion of the negative electrode tab.
  • the width H1 of the negative electrode active material layer including the portion, the width H2 of the negative electrode active material layer and the negative electrode current collector in the portion other than the negative electrode tab, and the width H3 of the positive electrode current collector 18a and the positive electrode active material layer are H2 ⁇ H3, And (H1-H2) ⁇ (H3-H2) / 2.
  • Patent Document 1 a negative electrode active material layer is supported on the base end portion of the negative electrode tab, the separator is formed larger than the negative electrode, the outer periphery thereof is outside the negative electrode, and the positive electrode tab and the negative electrode tab are arranged. It is formed in a range that does not exceed.
  • a material having no electronic conduction path such as a separator is interposed between the electrode tabs, there is a possibility that the electrode tabs are poorly joined.
  • the length of the electrode tab is reduced in order to improve the energy density of the battery, in the structure of Patent Document 1, there is a possibility that the contact failure of the electrode tab may occur due to the presence of the separator.
  • the present invention has been made in view of the above points, and an object of the present invention is to obtain a laminated battery electrode and a laminated battery that can reduce the contact failure of the electrode tab during bonding.
  • An electrode of a stacked battery comprising: an electrode current collector foil; an electrode mixture layer formed on the electrode current collector foil; and a separator formed on the electrode mixture layer, wherein the electrode Has an electrode lamination part and an electrode terminal part protruding from the electrode lamination part, and the electrode mixture layer is exposed when the electrode terminal part is viewed from the lamination direction of the electrodes, The electrode of the laminated battery.
  • FIG. 1 is a schematic plan view showing an example of a stacked battery according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view taken along line A-A ′ in FIG. 1. The plane enlarged view of a positive electrode terminal part. The plane enlarged view of a negative electrode terminal part.
  • the structure of the lithium ion secondary battery will be mainly described.
  • the present invention is not limited to the lithium ion secondary battery, but is a nickel metal hydride battery, a nickel cadmium battery, a lead battery, a lithium ion battery, or a sodium ion battery.
  • Such a secondary battery or primary battery can be applied to any stacked battery using a solid electrolyte.
  • FIG. 1 is a schematic plan view showing an example of a stacked battery according to an embodiment of the present invention.
  • a direction along a plane including the X direction and the Y direction is defined as an in-plane direction
  • a Z direction perpendicular to the in-plane direction is defined as a stacking direction.
  • the laminated battery 10 has a positive electrode 101 and a negative electrode 201 as electrodes.
  • the positive electrode 101 and the negative electrode 201 are covered with a battery container (not shown) or an insulating resin.
  • the positive electrode 101 has a positive electrode laminate portion 102 and a positive electrode terminal portion (electrode tab) 103
  • the negative electrode 201 has a negative electrode laminate portion 202 and a negative electrode terminal portion (electrode tab) 203.
  • the positive electrode laminate portion 102 and the negative electrode laminate portion 202 have a substantially rectangular sheet shape in plan view, and are laminated so as to alternately overlap.
  • the positive electrode terminal portion 103 and the negative electrode terminal portion 203 have tongue-shaped shapes that protrude from adjacent sides of the positive electrode laminate portion 102 and the negative electrode laminate portion 202 in a state where the positive electrode laminate portion 102 and the negative electrode laminate portion 202 are laminated. They are arranged apart from one side and the other side in the Y direction.
  • the negative electrode stacking portion 202 is made larger than the positive electrode stacking portion 102 in the in-plane direction of the stacked battery 10, but it may be the same or smaller.
  • the negative electrode laminate portion 202 By making the negative electrode laminate portion 202 larger than the positive electrode laminate portion 102, lithium deposition from the positive electrode active material in the positive electrode 101 can be suppressed.
  • FIG. 2 is a cross-sectional view taken along the line A-A ′ of FIG. 1, and is a schematic cross-sectional view showing an example of a stacked battery according to an embodiment of the present invention.
  • the stacking direction of the stacked battery 10 is defined as shown in FIG.
  • the stacked battery 10 includes a positive electrode 101 and a negative electrode 201 that are stacked.
  • the positive electrode 101 and the negative electrode 201 are illustrated as being spatially separated from each other, but in an actual battery, there is almost no space between them, and they are in contact in a plane.
  • the positive electrode 101 includes a positive electrode current collector foil 104, a positive electrode mixture layer 105, and a positive electrode separator 106.
  • the negative electrode 201 includes a negative electrode current collector foil 204, a negative electrode mixture layer 205, and a negative electrode separator 206.
  • two sets are stacked in the order of the positive electrode 101 and the negative electrode 201.
  • a positive electrode mixture layer 105 and a positive electrode separator 106 are formed on both surfaces of the positive electrode current collector foil 104 excluding the lowest part in the stacking direction.
  • the positive electrode mixture layer 105 is applied on the positive electrode current collector foil 104, and the positive electrode separator 106 is applied on the positive electrode mixture layer 105.
  • the positive electrode mixture layer 105 and the positive electrode separator 106 are formed over the entire surface of the positive electrode laminate 102.
  • a negative electrode mixture layer 205 and a negative electrode separator 206 are formed on both surfaces of the negative electrode current collector foil 204 excluding the uppermost portion in the stacking direction.
  • the negative electrode mixture layer 205 is coated on the negative electrode current collector foil 204, and the negative electrode separator 206 is coated on the negative electrode mixture layer 205.
  • the negative electrode mixture layer 205 and the negative electrode separator 206 are formed over the entire surface of the negative electrode laminate 202.
  • the lowermost positive electrode 101 in the stacking direction is formed with the positive electrode mixture layer 105 and the positive electrode separator 106 only on one surface of the positive electrode current collector foil 104 (the surface on which the negative electrode 201 is disposed).
  • the negative electrode mixture layer 205 and the negative electrode separator 206 are formed only on one surface of the negative electrode current collector foil 204 (the surface on which the positive electrode 101 is disposed).
  • the unit cell 20 includes a positive electrode current collector foil 104, a positive electrode mixture layer 105, a positive electrode separator 106, a negative electrode separator 206, a negative electrode mixture layer 205, and a negative electrode current collector foil 204 in the stacking direction. Yes. Further, the unit cells 20 are arranged while repeating mirror image inversion in the stacking direction. In this embodiment, it is composed of three sets of unit cells.
  • ⁇ Positive electrode current collector foil 104 As the positive electrode current collector foil 104, an aluminum foil, an aluminum perforated foil having a hole diameter of 0.1 to 10 mm, an expanded metal, an aluminum foam plate, or the like is used. As the material, stainless steel, titanium, or the like can be applied in addition to aluminum.
  • the thickness of the positive electrode current collector foil 104 is preferably 10 nm to 1 mm. From the viewpoint of achieving both the energy density of the secondary battery and the mechanical strength of the electrode, about 1 to 100 ⁇ m is desirable.
  • the positive electrode mixture layer 105 contains at least a positive electrode active material capable of inserting and extracting Li.
  • the positive electrode active material include LiCo-based oxides, LiNi-based composite oxides, LiMn-based composite oxides, Li-Co-Ni-Mn composite oxides, and LiFeP-based oxides.
  • a conductive material responsible for electronic conductivity in the positive electrode mixture layer 105, a binder that secures adhesion between the materials in the positive electrode mixture layer 105, and further in the positive electrode mixture layer 105 A solid electrolyte for ensuring ionic conductivity may be included.
  • the material contained in the positive electrode mixture layer 105 is dissolved in a solvent to form a slurry, which is coated on the positive electrode current collector foil 104.
  • the coating method is not particularly limited, and for example, a conventional method such as a doctor blade method, a dipping method, or a spray method can be used.
  • a plurality of positive electrode mixture layers 105 may be laminated on the positive electrode current collector foil 104 by performing a plurality of times from application to drying. Thereafter, the positive electrode mixture layer 105 is formed through a drying process for removing the solvent and a pressing process for ensuring the electron conductivity and ion conductivity in the positive electrode mixture layer 105.
  • the thickness of the positive electrode mixture layer 105 is designed according to the energy density, rate characteristics, and input / output characteristics of the all-solid-state battery.
  • the particle size of a material such as a positive electrode active material included in the positive electrode mixture layer 105 is defined to be equal to or less than the thickness of the positive electrode mixture layer 105.
  • the positive electrode active material powder includes coarse particles having a particle size equal to or larger than the thickness of the positive electrode mixture layer 105, the coarse particles are previously removed by sieving classification, wind classification, etc. Prepare the particles.
  • a copper foil, a copper perforated foil having a hole diameter of 0.1 to 10 mm, an expanded metal, a foamed copper plate, or the like is used.
  • the thickness of the negative electrode current collector foil 204 is preferably 10 nm to 1 mm. From the viewpoint of achieving both the energy density of the all solid state battery and the mechanical strength of the electrode, about 1 to 100 ⁇ m is desirable.
  • the negative electrode mixture layer 205 contains at least a negative electrode active material capable of inserting and extracting Li.
  • the negative electrode active material include carbon-based materials such as natural graphite, soft carbon, and amorphous carbon, Si metal, Si alloy, lithium titanate, and lithium metal.
  • a conductive material responsible for electronic conductivity in the negative electrode mixture layer 205, a binder that ensures adhesion between the materials in the negative electrode mixture layer 205, and further in the negative electrode mixture layer 205 A solid electrolyte for ensuring ionic conductivity may be included.
  • the method for producing the negative electrode mixture layer 205 is the same as in the case of the positive electrode, and is therefore omitted.
  • the thickness of the negative electrode mixture layer 205 is designed according to the energy density, rate characteristics, and input / output characteristics of the all-solid-state battery.
  • the particle size of the material such as the negative electrode active material contained in the negative electrode mixture layer 205 is defined to be equal to or less than the thickness of the negative electrode mixture layer 205.
  • the negative electrode active material powder has coarse particles having a particle size equal to or larger than the thickness of the negative electrode mixture layer 205, the coarse particles are previously removed by sieving classification, wind classification, etc. Prepare the particles.
  • the positive electrode separator 106 and the negative electrode separator 206 each contain a solid electrolyte.
  • solid electrolytes sulfide-based materials such as Li 10 Ge 2 PS 12 and Li 2 S—P 2 S 5 , oxide-based materials such as Li—La—Zr—O, ionic liquids and melting at room temperature Examples thereof include materials that do not exhibit fluidity within the operating temperature range of a secondary battery, such as a polymer type in which a salt or the like is supported on an organic polymer or inorganic particles, or a semi-solid electrolyte.
  • the solid electrolyte layer is formed by compressing powder, mixing with a binder, applying the slurryed solid electrolyte layer to a release material, or impregnating a carrier.
  • the thickness of the solid electrolyte layer is several nanometers to several millimeters from the viewpoint of ensuring the energy density of the secondary battery, ensuring electronic insulation, and the like.
  • the positive electrode current collector foil 104 and the negative electrode current collector foil 204 are respectively connected to the positive electrode current collector foils 104 and the negative electrode current collector foil 204 by physical contact or joining via a metal material in accordance with auxiliary lines indicating electrical connection. They are electrically connected to each other. Thereby, in the laminated battery 10, the positive electrode 101 and the negative electrode 201 are each electrically connected in parallel.
  • auxiliary line 800 The positive electrode current collector foil 104, the positive electrode material mixture layer 105, the negative electrode current collector foil 204, and the negative electrode material mixture layer 205 are sized so as to follow the auxiliary line 800 indicating the positional relationship of each material in the stacking direction. Yes.
  • the positive electrode current collector foil 104 is larger than the positive electrode mixture layer 105, and the positive electrode mixture layer 105 is arranged larger than the positive electrode separator 106.
  • FIG. 3 is an enlarged plan view of the positive terminal portion
  • FIG. 4 is an enlarged plan view of the negative terminal portion.
  • the positive electrode laminate portion 102 and the positive electrode terminal portion 103 of the positive electrode 101 are continuous with each other at the boundary portion Xa.
  • the positive electrode current collector foil 104 is exposed at the positive electrode terminal portion 103.
  • a positive electrode mixture layer 105 and a positive electrode separator 106 are formed continuously from the positive electrode stacking portion 102 at the base end portion of the positive electrode terminal portion 103. When the positive electrode terminal portion 103 is viewed from the stacking direction, the positive electrode mixture layer 105 is exposed. In the positive electrode terminal portion 103, the positive electrode mixture layer 105 and the positive electrode separator 106 protrude from the positive electrode separator 106 in the positive electrode terminal portion 103 and are exposed on the positive electrode current collector foil 104.
  • the negative electrode laminate portion 202 and the negative electrode terminal portion 203 of the negative electrode 201 are continuous with each other at the boundary portion Xb.
  • the negative electrode current collector foil 204 is exposed at the negative electrode terminal portion 203.
  • a negative electrode mixture layer 205 and a negative electrode separator 206 are formed continuously from the negative electrode stacking portion 202 at the base end portion of the negative electrode terminal portion 203.
  • the negative electrode mixture layer 205 is exposed.
  • the negative electrode mixture layer 205 and the negative electrode separator 206 protrude from the negative electrode separator 206 and are exposed on the negative electrode current collector foil 204.
  • the positive electrode separator 106 and the negative electrode separator 206 which do not have electronic conductivity can minimize the area applied to the terminal portions 103 and 203, and the contact failure of the terminal portions 103 and 203 where electronic conductivity is required can be reduced. It becomes possible.
  • the positive electrode mixture layer 105 and the negative electrode mixture layer 205 have electronic conductivity, when the terminal portions 103 and 203 are physically contacted or bonded with a material having electronic conductivity, Even if they are superimposed, no contact failure occurs.
  • the positive electrode separator 106 is disposed at the base end portion of the positive electrode terminal portion 103 beyond the boundary portion Xa, and the negative electrode separator 206 is disposed at the base portion of the negative electrode terminal portion 203 beyond the boundary portion Xb. Since it is also arranged at the end, it is possible to effectively prevent a short circuit in the positive electrode terminal portion 103 and the negative electrode terminal portion 203.
  • the positive electrode terminal portion 103 since the positive electrode mixture layer 105 is disposed and exposed at the base end portion of the positive electrode terminal portion 103 beyond the boundary portion Xa, the positive electrode terminal portion 103 is exposed to the adjacent positive electrode terminal portion 103. 103, or when bonded to a conductive member (not shown), the exposed portion of the positive electrode mixture layer 105 can be brought into contact with each other to form an electron conduction path, thereby preventing the occurrence of poor contact. it can.
  • the negative electrode terminal portion 203 since the negative electrode mixture layer 205 is disposed and exposed at the base end portion of the negative electrode terminal portion 203 beyond the boundary portion Xb, the negative electrode terminal portion 203 is adjacent to the negative electrode terminal 203.
  • an exposed portion of the negative electrode mixture layer 205 can be brought into contact with each other to create an electron conduction path, thereby preventing the occurrence of contact failure. Can do.
  • the positive electrode laminate portion 102 and the negative electrode laminate portion 202 can be increased in size by the amount that the positive electrode terminal portion 103 and the negative electrode terminal portion 203 are made smaller, and the energy density of the battery can be increased.
  • the positive electrode mixture layer 105 is formed over the entire surface of the positive electrode laminate 102
  • the negative electrode mixture layer 205 is formed over the entire surface of the negative electrode laminate 202. The energy density can be further increased.
  • the positive electrode terminal portion 103 and the negative electrode terminal portion 203 can have a large area of the conductive portion, and the positive electrode terminal portion 103 and the negative electrode terminal portion can be secured.
  • the electrical resistance of 203 can also be reduced.
  • the degree of difference in the size of each constituent member is based on the electron / ion insulation, the energy density of the laminated battery 10, the manufacturing tolerance at the time of manufacture, the dimensional tolerance at the time of stacking the constituent members, and the like. It is determined in view of the size of the positive electrode stacking portion 102 and the negative electrode stacking portion 202. Specifically, the size is preferably several tens of ⁇ m to several cm, more preferably several mm.
  • the size of the terminal portion is the target energy density of the battery based on the insulating properties of electrons and ions, the energy density of the laminated battery 10, the manufacturing tolerance at the time of manufacture, the dimensional tolerance when each component is laminated, and the like Determined in view of Specifically, the size may be several cm to several ⁇ m, and more preferably several mm or less.
  • the present invention is not limited to the above-described embodiments, and various designs can be made without departing from the spirit of the present invention described in the claims. It can be changed.
  • the above-described embodiment has been described in detail for easy understanding of the present invention, and is not necessarily limited to one having all the configurations described.
  • a part of the configuration of an embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of an embodiment.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Secondary Cells (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

La présente invention aborde le problème de la fourniture d'une électrode destinée à des cellules empilées, qui réduit une défaillance de contact dans une partie borne d'électrode au moment de la liaison. Des électrodes (101, 201) d'une cellule empilée (10) selon la présente invention sont caractérisées en ce que ces dernières comprennent des feuilles de collecteur d'électrode (104, 204), des couches de mélange d'électrode (105, 205) formées sur les feuilles de collecteur d'électrode, et des séparateurs (106, 206) formés sur les couches de mélange d'électrode. Les électrodes sont également caractérisées en ce que ces dernières comportent des parties stratifiés d'électrode et des parties bornes d'électrode (103, 203) qui font saillie à partir des parties stratifiés d'électrode de telle sorte que les couches de mélange d'électrode soient exposées lorsque les parties bornes d'électrode sont vues depuis la direction de stratification des électrodes.
PCT/JP2017/026629 2016-09-01 2017-07-24 Électrode destinée à des cellules empilées et cellule empilée Ceased WO2018042942A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016170940A JP2019207746A (ja) 2016-09-01 2016-09-01 積層型電池用電極及び積層型電池
JP2016-170940 2016-09-01

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WO2018042942A1 true WO2018042942A1 (fr) 2018-03-08

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PCT/JP2017/026629 Ceased WO2018042942A1 (fr) 2016-09-01 2017-07-24 Électrode destinée à des cellules empilées et cellule empilée

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021150228A (ja) * 2020-03-23 2021-09-27 本田技研工業株式会社 リチウムイオン二次電池
EP4391140A1 (fr) * 2022-12-20 2024-06-26 Toyota Jidosha Kabushiki Kaisha Corps d'électrode, batterie à semi-conducteurs et procédé de fabrication de corps d'électrode

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010086813A (ja) * 2008-09-30 2010-04-15 Toshiba Corp 非水電解質二次電池
JP2011119216A (ja) * 2009-11-30 2011-06-16 Samsung Sdi Co Ltd 二次電池
JP2013175407A (ja) * 2012-02-27 2013-09-05 Toyota Industries Corp 蓄電装置、車両
JP2014123454A (ja) * 2012-12-20 2014-07-03 Toyota Industries Corp 蓄電装置
JP2014179217A (ja) * 2013-03-14 2014-09-25 Mitsubishi Heavy Ind Ltd 二次電池の製造方法及び二次電池
JP2017016812A (ja) * 2015-06-30 2017-01-19 パナソニックＩｐマネジメント株式会社 非水電解質二次電池

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010086813A (ja) * 2008-09-30 2010-04-15 Toshiba Corp 非水電解質二次電池
JP2011119216A (ja) * 2009-11-30 2011-06-16 Samsung Sdi Co Ltd 二次電池
JP2013175407A (ja) * 2012-02-27 2013-09-05 Toyota Industries Corp 蓄電装置、車両
JP2014123454A (ja) * 2012-12-20 2014-07-03 Toyota Industries Corp 蓄電装置
JP2014179217A (ja) * 2013-03-14 2014-09-25 Mitsubishi Heavy Ind Ltd 二次電池の製造方法及び二次電池
JP2017016812A (ja) * 2015-06-30 2017-01-19 パナソニックＩｐマネジメント株式会社 非水電解質二次電池

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021150228A (ja) * 2020-03-23 2021-09-27 本田技研工業株式会社 リチウムイオン二次電池
JP7469091B2 (ja) 2020-03-23 2024-04-16 本田技研工業株式会社 リチウムイオン二次電池
EP4391140A1 (fr) * 2022-12-20 2024-06-26 Toyota Jidosha Kabushiki Kaisha Corps d'électrode, batterie à semi-conducteurs et procédé de fabrication de corps d'électrode

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