WO2019077922A1 - Module de batterie secondaire - Google Patents

Module de batterie secondaire Download PDF

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Publication number
WO2019077922A1
WO2019077922A1 PCT/JP2018/034291 JP2018034291W WO2019077922A1 WO 2019077922 A1 WO2019077922 A1 WO 2019077922A1 JP 2018034291 W JP2018034291 W JP 2018034291W WO 2019077922 A1 WO2019077922 A1 WO 2019077922A1
Authority
WO
WIPO (PCT)
Prior art keywords
secondary battery
module
battery module
bus bar
electrode
Prior art date
Application number
PCT/JP2018/034291
Other languages
English (en)
Japanese (ja)
Inventor
藤本　貴行
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Publication of WO2019077922A1 publication Critical patent/WO2019077922A1/fr

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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
    • 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
    • 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
    • H01M10/62—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
    • 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
    • H01M10/654—Means for temperature control structurally associated with the cells located inside the innermost case of the cells, e.g. mandrels, electrodes or electrolytes
    • 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
    • H01M10/6554—Rods or plates
    • 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • 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 secondary battery module.
  • the battery cell comprises: a plurality of battery cells; a case frame open at one end to accommodate the battery cells; and a finishing plate assembled to the open one end of the case frame, the case frame having an arrangement direction of the battery cells And a pair of side plates extending to cover both sides of the battery cell, and an end plate forming the other end closed between the pair of side plates, and the pair of side plates and end plates Is an integrally formed battery pack.
  • a battery pack with an improved bonding structure is provided so as to achieve sufficient bonding strength while easily performing the assembly process.
  • Patent Document 1 a battery cell is sandwiched between plates.
  • the surface pressure from the plate may deform the battery cell.
  • the deformation of the battery cell reduces the contact area between the battery cell and the plate, making it difficult to secure a heat radiation path from the battery cell to the plate and the outside.
  • Patent Document 1 there is no mention of the contact area between the battery cell and the plate due to deformation of the battery cell due to the surface pressure from the plate, and in the configuration of Patent Document 1, it is difficult to improve the heat dissipation of the secondary battery module .
  • An object of the present invention is to improve the heat dissipation of a secondary battery module.
  • a secondary battery module comprising: a plate; and top plate ribs sandwiching a plurality of secondary battery cells in a direction in which end plates and side plates are not disposed.
  • the heat dissipation of the secondary battery module can be improved. Problems, configurations, and effects other than those described above will be apparent from the description of the embodiments below.
  • a lithium ion secondary battery is an electrochemical device capable of storing or utilizing electrical energy by insertion and extraction of lithium ions to an electrode in an electrolyte. This is called by another name of a lithium ion battery, a non-aqueous electrolyte secondary battery, and a non-aqueous electrolyte secondary battery, and any battery is an object of the present invention.
  • the technical concept of the present invention is also applicable to sodium ion secondary batteries, magnesium ion secondary batteries, calcium ion secondary batteries, zinc secondary batteries, aluminum ion secondary batteries and the like.
  • FIG. 1 is an external view of a secondary battery module.
  • FIG. 2 is an exploded view of a secondary battery module.
  • the secondary battery module 2000 includes a plurality of secondary battery cells 1000, a plurality of cell bus bars 600, two end plates 2100, two side plates 2200, a circuit board 2300, a first module bus bar 2400, a second module bus bar 2450, and a top plate It has 2500.
  • the direction in which the end plate 2100 is disposed with respect to the plurality of secondary battery cells 1000 is the x-axis direction
  • the direction in which the side plate 2200 is disposed with respect to the plurality of secondary battery cells 1000 is the y-axis direction
  • the perpendicular direction of is the z-axis direction.
  • the end plate 2100 applies a surface pressure to the plurality of secondary battery cells 1000 in the x-axis direction (the stacking direction of the electrode assembly 400).
  • the end plate 2100 is disposed on the surface on which the cell bar 600 is not disposed.
  • the plurality of secondary battery cells 1000 are secured by the end plate 2100. It is desirable that the end plate 2100 be larger than the plurality of secondary battery cells 1000 in the yz plane and be formed over the entire surface of the secondary battery cell 1000 so that the plurality of secondary battery cells 1000 can be securely bound.
  • the end plate 2100 a space through which the first module bus bar 2400 can pass is formed.
  • an end plate opening 2110 is formed in the end plate 2100.
  • the end plate opening 2110 is larger than the first module bus bar 2400, and the end plate opening 2110 is sized to allow the first module bus bar 2400 to penetrate the end plate 2100.
  • the end plate 2100 is made of a material such as steel, such as stainless steel, iron, or aluminum.
  • Side plate 2200 applies surface pressure to the plurality of secondary battery cells 1000 in the y-axis direction (in-plane direction of electrode assembly 400).
  • Side plate 2200 is disposed on the surface on which cell bus bar 600 is disposed.
  • the plurality of secondary battery cells 1000 are fixed by side plates 2200.
  • the side plate 2200 By screwing the side plate 2200 onto the two end plates 2100, the two end plates 2100 are held by the side plate 2200. Since the direction of screwing between the side plate 2200 and the end plate 2100 is the same as the direction of fastening of the plurality of secondary battery cells 1000 by the end plate 2100, the rigidity of the secondary battery module 2000 can be enhanced.
  • the side plate 2200 is made of a steel material such as stainless steel, a material such as iron or aluminum.
  • the top plate 2500 applies a surface pressure to the plurality of secondary battery cells 1000 in the z-axis direction (the direction in which the end plate 2100 and the side plate 2200 are not disposed).
  • the top plate 2500 is disposed on the surface on which the cell bar 600 is not disposed.
  • the plurality of secondary battery cells 1000 are secured by the end plate 2100.
  • the plurality of secondary battery cells 1000 are secured by the top plate 2500.
  • the top plate 2500 is disposed on the top surface of the plurality of secondary battery cells 1000 in the z-axis direction.
  • the top plate 2500 has top plate ribs 2510.
  • the top plate rib 2510 can improve the bending rigidity of the top plate 2500.
  • Circuit board 2300 is formed between side plate 2200 and secondary battery cell 1000 in the y-axis direction.
  • a converter device, an inverter device, a resistor, and the like are arranged on the circuit board 2300.
  • circuit board 2300 By forming circuit board 2300 between side plate 2200 and secondary battery cell 1000 in the y-axis direction, secondary battery module 2000 can be made compact.
  • Circuit board recesses 2310 are formed at both ends of the circuit board 2300 in the x-axis direction.
  • the circuit board recess 2310 prevents interference between the first module bus bar 2400 and the circuit board 2300.
  • the circuit board recess 2310 is formed at both ends of the circuit board 2300 in FIG. 2, the circuit board recess 2310 may be formed only at one end of the circuit board 2300.
  • FIG. 3 is a partially enlarged view of the secondary battery module.
  • a cell bus bar 600 is formed on the y-axis direction side of the secondary battery cells 1000.
  • a first module bus bar 2400 and a second module bus bar 2450 are formed at both ends of the secondary battery module 2000 in the x-axis direction.
  • the first module bus bar 2400 protrudes from the end plate 2100 in the x-axis direction, and the second module bus bar 2450 is formed in the end plate 2100 in the x-axis direction.
  • the adjacent secondary battery modules 2000 by connecting one first module bus bar 2400 and the other second module bus bar 2450, the adjacent secondary battery modules 2000 are electrically connected in series.
  • the cell bus bar 600, the first module bus bar 2400, and the second module bus bar 2450 are formed in the same plane. Thereby, the useless space in the secondary battery module 2000 is reduced, and the energy density of the secondary battery module 2000 can be improved.
  • a material of the first module bus bar 2400 and the second module bus bar 2450 a material having a relatively high electric conductivity such as copper or aluminum can be applied.
  • the first module bus bar 2400 protrudes relative to the cell bus bar 600 in the y-axis direction.
  • the first module bus bar 2400 may be formed flush with the cell bus bar 600 in the y-axis direction.
  • the second module bus bar 2450 may be eliminated, and the first module bus bar 2400 may be connected to the cell bus bar 600 to electrically connect the adjacent secondary battery modules 2000 in series.
  • the cell bus bar 600 formed at the end in the x-axis direction becomes the second module bus bar 2450.
  • the secondary battery cell 1000 has an electrode terminal.
  • the electrode terminals in the secondary battery cell 1000 are formed on both ends of the secondary battery cell 1000 in the z-axis direction, and the cell bus bars 600 are also formed on both ends of the secondary battery cell 1000 in the z-axis direction. It is done.
  • the first module bus bar 2400 is formed between the cell bus bars 600 between screws for screwing the side plate 2200 and the end plate 2100 in the z-axis.
  • the second module bus bar 2450 is formed on the top of the cell bus bar 600 in the z-axis.
  • the cell bus bar 600 may be arranged to be biased in one direction in the z-axis direction.
  • the cell bus bar 600 is electrically connected to the electrode terminal.
  • the cell bus bar 600 electrically connects the plurality of secondary battery cells 1000.
  • As a material of the cell bus bar 600 aluminum, an aluminum alloy, copper, a copper alloy or the like can be applied.
  • FIG. 4 is a partial enlarged view of a secondary battery module.
  • FIG. 4 is a view of the secondary battery module 2000 as viewed from the x-axis direction.
  • Side plate 2200 and end plate 2100 are fastened by end plate screw 2120.
  • the top plate 2500, the end plate 2100, and the chassis 3000 of the vehicle body are fastened by the top plate screw 2520.
  • the secondary battery module 2000 can be fixed to the vehicle body.
  • a secondary battery pack case accommodating the secondary battery module 2000 may be used instead of the chassis 3000.
  • the secondary battery cell 1000 has an electrode assembly 400 and an outer package 500.
  • the material of the exterior body 500 of the secondary battery cell 1000 is a soft material such as polyolefin
  • the secondary battery cell 1000 As a result, the contact area between the secondary battery cell 1000 and the chassis 3000 is reduced, and it becomes difficult to secure a heat radiation path from the secondary battery cell 1000 to the chassis 3000 or the outside.
  • a buffer material 700 is formed in the secondary battery cell 1000 and between the electrode assembly 400 and the chassis 3000 (in-plane direction end of the electrode assembly 400).
  • the buffer material 700 is deformed to relieve an excessive load on the electrode assembly 400 and prevent damage to the electrode assembly 400. be able to. Further, the heat generated in the electrode body 400 is easily transferred to the chassis 3000 side through the buffer material 700, and the heat dissipation of the secondary battery cell 1000 is improved.
  • a material of the shock absorbing material 700 for example, silicon gel can be applied.
  • FIG. 5 is an external view of a secondary battery cell.
  • FIG. 6 is an exploded view of a secondary battery cell. 7 and 8 are external views of the secondary battery cell.
  • the secondary battery cell 1000 includes a positive electrode 100 (electrode), a negative electrode 200 (electrode), a positive electrode terminal 150 (electrode terminal), a negative electrode terminal 250 (electrode terminal), a separator 300, an exterior body 500, and a buffer 700.
  • the direction in which the positive electrode 100, the negative electrode 200, and the separator 300 are stacked is the x-axis direction
  • the direction in which the electrode terminals are formed is the y-axis direction
  • the perpendicular direction of the xy plane is the z-axis direction. .
  • the positive electrode 100 includes a positive electrode mixture layer 110 (electrode mixture layer), a positive electrode current collector 120, and a positive electrode tab 130 (electrode tab).
  • the positive electrode mixture layer 110 is formed on both sides of the positive electrode current collector 120 (electrode current collector).
  • a negative electrode 200, a negative electrode mixture layer 210 (electrode mixture layer), a negative electrode current collector 220 (electrode current collector), and a negative electrode tab 230 (electrode tab) are provided.
  • a negative electrode mixture layer 210 is formed on both sides of the negative electrode current collector 220.
  • the positive electrode 100, the separator 300, and the negative electrode 200 are stacked to form an electrode assembly 400.
  • the secondary battery cell 1000 is configured by laminating a plurality of electrode bodies 400. By connecting the positive electrode tabs 130 to each other and the negative electrode tab 230, an electrical parallel connection is configured in the secondary battery cell 1000.
  • the secondary battery cell 1000 of FIG. 5 is a stacked secondary battery, a wound cylindrical secondary battery or a wound square secondary battery may be applied.
  • the positive electrode mixture layer 110 has a positive electrode active material capable of absorbing and releasing Li.
  • the positive electrode active material include LiCo-based oxides, LiNi-based composite oxides, LiMn-based composite oxides, Li—Co—Ni—Mn composite oxides, LiFeP-based oxides, and the like.
  • the negative electrode mixture layer 210 includes a negative electrode active material capable of absorbing and releasing Li. Examples of the negative electrode active material include carbon materials such as natural graphite, soft carbon and amorphous carbon, Si metal, Si alloy, lithium titanate, lithium metal and the like.
  • a positive electrode conductive agent responsible for electron conductivity in the electrode mixture layer a binder for securing adhesion between materials in the electrode mixture layer, and ion conductivity in the electrode mixture layer
  • a solid electrolyte may be included to secure the
  • the method for producing the electrode mixture layer is, for example, as follows. First, the material contained in the electrode mixture layer is dissolved in a solvent to form a slurry, which is coated on the electrode current collector. As a coating method, a doctor blade method, a dipping method, a spray method etc. are mentioned, for example. Next, the electrode mixture layer coated on the electrode current collector is dried to remove the solvent. Next, the electrode mixture layer is pressed to secure electron conductivity and ion conductivity in the electrode mixture layer.
  • Electrode current collector is electrically connected to the electrode tab.
  • the electrode tab is led out to the side surface of the electrode current collector.
  • the electrode mixture layer is not formed on the electrode tab.
  • the electrode mixture layer may be formed on the electrode tab as long as the battery performance is not adversely affected.
  • an aluminum foil for the positive electrode current collector 120 and the positive electrode tab 130, an aluminum foil, a perforated aluminum foil having a hole diameter of 0.1 mm to 10 mm, an expanded metal, a foamed aluminum plate or the like can be used.
  • the material may be stainless steel, titanium or the like in addition to aluminum.
  • a copper foil, a perforated copper foil with a hole diameter of 0.1 mm to 10 mm, an expanded metal, a foamed copper plate, or the like is used.
  • the material may be stainless steel, titanium, nickel or the like in addition to copper.
  • the thickness of the electrode current collector and the electrode tab is preferably 10 nm to 1 mm. From the viewpoint of achieving both the energy density of the secondary battery cell 1000 and the mechanical strength of the electrode, about 1 ⁇ m to 100 ⁇ m is desirable.
  • the separator 300 is formed between the positive electrode 100 and the negative electrode 200, and when the secondary battery cell 1000 is a lithium ion secondary battery, transmits lithium ions to prevent a short circuit between the positive electrode 100 and the negative electrode 200.
  • a microporous film, a solid electrolyte, or the like can be used as a material of which the separator 300 is formed.
  • the microporous membrane polyolefin such as polyethylene and polypropylene and glass fiber can be used.
  • the secondary battery is injected by injecting an electrolyte into the secondary battery cell 1000 from one open side of the exterior body 500 that accommodates the plurality of electrode bodies 400 and the liquid injection hole. An electrolyte is filled in the cell 1000.
  • the electrolytic solution contains, for example, a solvent and a lithium salt, and serves as a medium for transmitting lithium ions between the positive electrode 100 and the negative electrode 200.
  • lithium salt LiPF 6, LiBF 4, LiClO 4, LiCF 3 SO 3, LiCF 3 CO 2, LiAsF 6, LiSbF 6, lithium bis oxalate borate (LiBOB), lithium imide salt (e.g., lithium bis (Fluorosulfonyl) imide, LiFSI) and the like can be preferably used. You may use these lithium salts individually or in combination of multiple.
  • solid electrolytes As solid electrolytes, sulfides such as Li 10 Ge 2 PS 12 , Li 2 S-P 2 S 5 , oxides such as Li-La-Zr-O, ionic liquids, molten salts at room temperature, etc.
  • a semisolid electrolyte supported on inorganic particles or the like, a gel electrolyte using a polymer gel as the electrolyte, or the like can be used.
  • the solid electrolyte serves as a medium for transmitting lithium ions between the positive electrode 100 and the negative electrode 200, and the above-described electrolyte solution is basically unnecessary.
  • Serial connection can be configured. However, even if a solid electrolyte is used as the separator 300, an electrolytic solution may be added to the secondary battery cell 1000 as long as an electrical short circuit in the secondary battery cell 1000 can be prevented.
  • the separator 300 may be formed as a sheet between the positive electrode 100 and the negative electrode 200, or may be formed on the electrode mixture layer by application.
  • the separator 300 may be formed on both sides of the electrode mixture layer, and if the separator 300 is formed between the positive electrode 100 and the negative electrode 200, the separator 300 may be formed on one side of the electrode mixture layer.
  • the thickness of the separator 300 is several nm to several mm in size from the viewpoint of securing the energy density of the secondary battery cell 1000, the electronic insulation, and the like.
  • the electrode terminal is electrically connected to the electrode tab.
  • materials of the positive electrode terminal 150 and the negative electrode terminal 250 metals such as aluminum, copper, nickel and stainless steel can be applied.
  • the exterior body 500 accommodates an electrode, a separator 300, and an electrode terminal.
  • an opening is formed in the package 500 so as to expose the electrode terminals on the surface on which the electrode terminals of the package 500 are formed.
  • PET polytetrafluoroethylene
  • FEP tetrafluoroethylene-hexafluoropropylene copolymer
  • PVDF polyvinylidene fluoride
  • Soft materials such as ethylene / perfluoroalkyl vinyl ether copolymer (PFA), silicone, ethylene propylene (EP) rubber, neoprene rubber and the like can be applied.

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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)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'invention concerne un module de batterie secondaire qui a une pluralité de cellules de batterie secondaire, les cellules de batterie secondaire étant constituées d'un empilement de corps d'électrode qui ont chacun une électrode positive, un séparateur et une électrode négative ; les cellules de batterie secondaire ont des matériaux tampons à l'intérieur des cellules de batterie secondaire et au niveau des extrémités dans la direction dans la surface des corps d'électrode ; et le module de batterie secondaire comporte des plaques d'extrémité qui maintiennent la pluralité de cellules de batterie secondaire entre elles dans la direction d'empilement des corps d'électrode, des plaques latérales qui maintiennent la pluralité de cellules de batterie secondaire entre elles dans la direction dans la surface des corps d'électrode, et des nervures de plaque supérieure qui maintiennent la pluralité de cellules de batterie secondaire entre elles dans une direction dans laquelle les plaques d'extrémité et les plaques latérales ne sont pas disposées.
PCT/JP2018/034291 2017-10-16 2018-09-14 Module de batterie secondaire WO2019077922A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017200020A JP2019075256A (ja) 2017-10-16 2017-10-16 二次電池モジュール
JP2017-200020 2017-10-16

Publications (1)

Publication Number Publication Date
WO2019077922A1 true WO2019077922A1 (fr) 2019-04-25

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WO (1) WO2019077922A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114270599B (zh) * 2019-08-19 2024-04-12 阿莫绿色技术有限公司 电池模块用冷却部件及包括其的电池模块
CN113809479B (zh) 2020-05-27 2023-02-10 比亚迪股份有限公司 电池包以及车辆

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000223099A (ja) * 1999-01-29 2000-08-11 Sanyo Electric Co Ltd 電源装置
JP2003092132A (ja) * 2001-09-14 2003-03-28 Mitsubishi Electric Corp 電 池
JP2012059663A (ja) * 2010-09-13 2012-03-22 Auto Network Gijutsu Kenkyusho:Kk 組電池配線モジュール
JP2013171794A (ja) * 2012-02-22 2013-09-02 Denso Corp 電池モジュールおよびそのケース
JP2014203745A (ja) * 2013-04-08 2014-10-27 株式会社Ｇｓユアサ 蓄電装置
JP2015056400A (ja) * 2013-09-13 2015-03-23 三星エスディアイ株式会社Ｓａｍｓｕｎｇ ＳＤＩ Ｃｏ．，Ｌｔｄ． バッテリーパック
JP2015233004A (ja) * 2014-05-16 2015-12-24 株式会社半導体エネルギー研究所 二次電池を備えた電子機器
JP2016225031A (ja) * 2015-05-27 2016-12-28 日立オートモティブシステムズ株式会社 二次電池モジュール

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000223099A (ja) * 1999-01-29 2000-08-11 Sanyo Electric Co Ltd 電源装置
JP2003092132A (ja) * 2001-09-14 2003-03-28 Mitsubishi Electric Corp 電 池
JP2012059663A (ja) * 2010-09-13 2012-03-22 Auto Network Gijutsu Kenkyusho:Kk 組電池配線モジュール
JP2013171794A (ja) * 2012-02-22 2013-09-02 Denso Corp 電池モジュールおよびそのケース
JP2014203745A (ja) * 2013-04-08 2014-10-27 株式会社Ｇｓユアサ 蓄電装置
JP2015056400A (ja) * 2013-09-13 2015-03-23 三星エスディアイ株式会社Ｓａｍｓｕｎｇ ＳＤＩ Ｃｏ．，Ｌｔｄ． バッテリーパック
JP2015233004A (ja) * 2014-05-16 2015-12-24 株式会社半導体エネルギー研究所 二次電池を備えた電子機器
JP2016225031A (ja) * 2015-05-27 2016-12-28 日立オートモティブシステムズ株式会社 二次電池モジュール

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