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WO2016199563A1 - Module de batterie - Google Patents

Module de batterie Download PDF

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Publication number
WO2016199563A1
WO2016199563A1 PCT/JP2016/065109 JP2016065109W WO2016199563A1 WO 2016199563 A1 WO2016199563 A1 WO 2016199563A1 JP 2016065109 W JP2016065109 W JP 2016065109W WO 2016199563 A1 WO2016199563 A1 WO 2016199563A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
battery cell
external terminal
pair
electrode external
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/JP2016/065109
Other languages
English (en)
Japanese (ja)
Inventor
貴支 鈴木
大矢　淳
直樹 小島
倫弘 木村
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 Astemo Ltd
Original Assignee
Hitachi Automotive Systems 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 Automotive Systems Ltd filed Critical Hitachi Automotive Systems Ltd
Priority to JP2017523179A priority Critical patent/JP6494754B2/ja
Publication of WO2016199563A1 publication Critical patent/WO2016199563A1/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
    • 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
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • 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
    • H01M10/6554—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
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • 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
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • 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
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • 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 is a battery module mainly used as a power source for a hybrid vehicle or an electric vehicle using a motor as a drive source, and is a battery cell stack in which cell terminal surfaces of a plurality of rectangular secondary battery cells are stacked on one surface.
  • the present invention relates to a battery module having a structure in which a body is connected by providing end plates at both ends.
  • the battery cell and the battery stack are configured to prevent the battery cell from being broken due to vibration and shock, and to prevent the internal parts and the connection between the battery cells from being broken. It is necessary to suppress it. Moreover, in the case of a lithium ion battery, since an electrode expand
  • Patent Document 1 a battery cell stack in which a holder is disposed between battery cells, a pair of end plates disposed at both ends thereof, and a connection member fixed to each of the pair of end plates and engaging with the holder
  • Patent Document 1 a structure in which a holder is disposed between battery cells, a pair of end plates disposed at both ends thereof, and a connection member fixed to each of the pair of end plates and engaging with the holder
  • the holders arranged between the battery cells described in Patent Document 1 are provided with a battery cell and an end in order to suppress the movement of the position restriction in the three directions of the battery cells and the relative displacement between the battery cells.
  • a holding shape for engaging with the plate and a protrusion for engaging with the connecting member are provided, and the shape is complicated.
  • almost the same number of resin molded products having complicated shapes as the battery cells are used. Therefore, there is a problem that the number of parts increases and the entire manufacturing cost including the number of assembly steps increases.
  • the present invention has been made in view of the above points, and the object of the present invention is to achieve the restriction of the movement of the battery cells in three directions and the relative displacement between the battery cells with a simple configuration.
  • a battery module is provided.
  • the battery module of the present invention that solves the above problems is a battery cell in which a plurality of rectangular battery cells each having a positive electrode external terminal and a negative electrode external terminal are stacked in one direction so that the one surface faces the same direction.
  • Each of the pair of clamping members of the first lashing portion and the pair of the second lashing portions Each of the holding members is fixed, and the second tying portion is arranged so that the positions of the plurality of battery cells are at least in the stacking direction of the battery cell stack and at right angles to the stacking direction. It has a position restricting means that restricts from the direction. .
  • the external appearance perspective view of a battery cell The external appearance perspective view of a battery cell laminated body.
  • FIG. 6 is an enlarged cross-sectional view taken along line VI-VI in FIG. 4.
  • the external appearance perspective view of a battery module. The exploded perspective view of a battery module.
  • the enlarged top view of FIG. The external appearance perspective view of the battery module which attached the cover.
  • Embodiment 1 of the battery module according to the present invention will be described with reference to the drawings.
  • the case where the battery module is used as a drive source for an electric vehicle or a hybrid electric vehicle will be described as an example.
  • the application is not limited to the vehicle use.
  • FIG. 1 is an external perspective view of a battery cell.
  • the battery cell 1 is a square lithium ion secondary battery, and an electrode group having a positive electrode and a negative electrode is housed in a battery container made of an aluminum alloy together with a non-aqueous electrolyte.
  • the battery container of the battery cell 1 has a bottomed battery can 1a and a battery lid 1b that seals the opening of the battery can 1a.
  • the battery can 1a is a flat rectangular container formed by deep drawing, and includes a rectangular bottom surface PB, a pair of wide side surfaces PW rising from the long side portion of the bottom surface PB, and a pair of rising surfaces from the short side portion of the bottom surface PB. It has a narrow side surface PN.
  • the three directions in the description of the present embodiment are the X direction as the direction toward the narrow side surface PN of the battery cell 1, the Y direction as the direction toward the wide side surface PW of the battery cell 1, and the upper surface PU and the bottom surface PB of the battery cell 1.
  • the direction toward is denoted as the Z direction.
  • the battery lid 1b is composed of a rectangular flat plate member and has an upper surface PU.
  • the battery lid 1b is provided with a positive external terminal 1c and a negative external terminal 1d for inputting and outputting voltage.
  • the positive electrode external terminal 1c and the negative electrode external terminal 1d are arranged at positions separated from each other in the long side direction of the battery lid 1b.
  • the positive external terminal 1c and the negative external terminal 1d protrude from the battery cover 1b on the upper surface PU side, and nut fastening bolts for fastening the bus bars are provided.
  • a resin gasket 1g is interposed between the positive external terminal 1c and the battery cover 1b, and between the negative external terminal 1d and the battery cover 1b, and is insulated.
  • the gasket 1g has a size that protrudes laterally from the outer edges of the positive electrode external terminal 1c and the negative electrode external terminal 1d along the upper surface of the battery lid 1b.
  • the battery lid 1b after accommodating the electrode group in the battery can 1a, is laser welded to the battery can 1a to seal the opening of the battery can 1a.
  • a gas discharge valve 1e that cleaves due to an increase in internal pressure and discharges gas in the battery container is provided at a position closer to the center of the battery cover 1b, which is an intermediate position in the long side direction of the battery cover 1b.
  • the battery cell 1 is entirely covered with an insulating film 1f except for the positive electrode external terminal 1c, the negative electrode external terminal 1d, and the gas discharge valve 1e.
  • FIG. 2 is an external perspective view of the battery cell stack 2
  • FIG. 3 is an exploded perspective view showing a state in which a part of the battery cell stack is disassembled.
  • the battery cell stack 2 is configured by stacking a plurality of battery cells 1 side by side.
  • the plurality of battery cells 1 are arranged such that the positive electrode external terminals 1c and the negative electrode external terminals 1d are alternately continuous along the stacking direction.
  • a pair of end plates 3 are disposed at both ends in the stacking direction of the plurality of battery cells 1.
  • the pair of end plates 3 constitutes a first securing portion as a pair of clamping members.
  • Female screws 3 a and 3 b are screwed on the outer surface (for example, the upper surface and the wide side surface) of the end plate 3.
  • the female screw 3 a is formed on the upper surface of the end plate 3, and the female screw 3 b is formed on the wide surface of the end plate 3.
  • inter-cell spacer 4 is interposed between each battery cell 1 and the end plate 3.
  • the inter-cell spacer 4 is intended to insulate and insulate the battery cells 1 and is not necessarily limited to being provided as long as the purpose is achieved. Further, the inter-cell spacer 4 may be simply interposed between each battery cell 1 and the end plate 3, or may be fixed by adhesion (for example, double-sided tape or adhesive).
  • FIG. 4 is an external perspective view of the battery block 5
  • FIG. 5 is an exploded perspective view showing a state in which a part of the battery block 5 is disassembled.
  • the battery block 5 includes an upper plate 6 on the upper surface side of the battery cell laminate 2 and a lower plate 7 on the bottom surface side.
  • the upper plate 6 is made of a resin material
  • the lower plate 7 is formed by bending a metal plate.
  • the upper plate 6 and the lower plate 7 constitute a second securing portion as a pair of sandwiching members disposed on the upper surface side and the can bottom side in the battery cell stack 2.
  • the battery cell stack 2 is pressed in the stacking direction, and when the predetermined size is reached, the upper plate 6 is brought into contact with the battery lid 1 b (upper surface PU) of the battery cell 1, It fixes to the internal thread 3a of each end plate 3 by screw fastening.
  • the lower plate 7 is brought into contact with the bottom surface PB of the battery cell 1 and is fixed to the female threads 3b of the end plates 3 at the both ends by screw fastening.
  • the distance between the pair of end plates 3 at both ends is kept constant in a state where a pressing force is applied to the battery cell stack 2. Therefore, the individual movement of the battery cell 1 and the movement of the battery cell stack 2 can be suppressed against the vibration and impact of the vehicle in the Y direction.
  • the upper plate 6 and the lower plate 7 are kept in contact with each of the upper surface PU and the bottom surface PB of the battery cell 1, the individual movement of the battery cell 1 against the vibration and impact of the vehicle in the Z direction The movement of the battery cell stack 2 can be suppressed.
  • the upper plate 6 is a pressing piece 6a, 6b, 6c that serves as a position restricting means for restricting the positions of the plurality of battery cells 1 from at least the stacking direction of the battery cell stack 2 and the direction perpendicular to the stacking direction and horizontal to one surface. have.
  • pressing pieces 6a, 6b, 6c are provided on the upper plate 6 so as to correspond to the positive external terminal 1c and the negative external terminal 1d protruding from the battery cell 1.
  • the pieces 6a, 6b, 6c are brought into contact with the positive external terminal 1c and the negative external terminal 1d.
  • the pressing pieces 6a, 6b, and 6c are stacked in the width direction of the stacked body, which is a direction along the battery lid 1b (one surface) with respect to the positive electrode external terminal 1c and the negative electrode external terminal 1d and perpendicular to the stacking direction of the battery cells 1. That is, it is provided so as to face the width direction of the battery cell 1.
  • the battery cell 1 moves in the stack width direction of the battery cell stack 2 in the X direction by directly contacting the gasket 1g of the positive electrode external terminal 1c and the negative electrode external terminal 1d and the narrow side surface PN of the battery cell 1. It is possible to restrict the positioning and position.
  • the pressing pieces (first pressing pieces) 6a are paired so as to be disposed to face the inner end portions of the positive electrode external terminal 1c and the negative electrode external terminal 1d of the battery cell 1 near the center in the stack width direction.
  • the battery cell 1 is positioned by being in direct contact with the gasket 1 g of the positive electrode external terminal 1 c and the negative electrode external terminal 1 d by restricting the battery cell 1 from moving in the stack width direction of the battery cell stack 2.
  • the pressing pieces (second pressing pieces) 6b are provided in pairs so as to be arranged to face the outer ends of the battery cell 1 on the outer side in the stack width direction of the positive electrode external terminal 1c and the negative electrode external terminal 1d.
  • the battery cell 1 is positioned by restricting the battery cell 1 from moving in the stack width direction of the battery cell stack 2 by directly contacting the gasket 1g of the positive electrode external terminal 1c and the negative electrode external terminal 1d.
  • the pressing pieces (third pressing pieces) 6c are provided in pairs so as to be arranged to face the narrow side surfaces PN that are the end surfaces on both sides in the stack width direction of the battery cell 1, respectively. By contacting the narrow side surface PN of 1, the battery cell 1 is positioned by restricting movement of the battery cell stack 2 in the stack width direction.
  • the pressing pieces 6a, 6b, 6c of the upper plate 6 do not necessarily need to be provided all, and may have at least one of them. In addition to positioning the battery cell 1 in the X direction by the pressing pieces 6a, 6b, 6c, the individual movement of the battery cell 1 and the movement of the battery cell stack 2 are suppressed against the vibration and impact of the vehicle in the X direction. be able to.
  • the lower plate 7 includes a bottom portion 7a that faces the bottom surface of the battery cell stack 2, a flange portion 7b that is bent at both ends in the stacking direction of the bottom portion 7a and faces the end plate 3, and a bottom portion.
  • 7 a has an edge portion 7 c that is bent at both ends in the width direction and faces the narrow side surface PN of the battery cell 1.
  • a plurality of opening holes are provided in the bottom portion 7 a so as to expose the can bottom of each battery cell 1 of the battery cell stack 2.
  • the flange portion 7 b is provided with a hole communicating with the female screw 3 b of the end plate 3 so that the end plate 3 can be screwed.
  • the edge portion 7c (fourth pressing piece) faces the narrow side surface PN of each battery cell 1 so as to be in contact with it, thereby restricting the battery cell 1 from moving in the stack width direction of the battery cell stack 2. And positioning.
  • the battery cell 1 is positioned in the X direction by the pressing pieces 6 a, 6 b, 6 c of the upper plate 6 and the edge portion 7 c of the lower plate 7. Therefore, it is not necessary to separately provide a cell holder for holding the battery cell as in the prior art, and the total number of parts can be reduced and the number of assembly steps can be reduced.
  • the upper plate 6 in the present embodiment corresponds to the gas discharge valve 1e of the battery cell 1 and is provided with a space (6i) having a uniform shape with respect to the cross section in the Y direction.
  • the upper plate 6 has a gas rail portion 6 g extending along the stacking direction at the center position in the stack width direction of the battery cell stack 2.
  • the gas rail portion 6g has a U-shaped cross section, is disposed at a position facing the gas discharge valve 1e of the battery cell 1, and communicates with the battery lid 1b of the battery cell 1 in the stacking direction.
  • a closed space 6i is formed.
  • the gas in the battery container expelled by the gas discharge valve 1e being cleaved by the increase in the internal pressure of the battery cell 1 is guided to the gas rail portion 6g communicated with the gas discharge valve 1e, and the gas rail portion 6g is closed.
  • the space 6i can flow out to a predetermined area, and can prevent outflow to an unintended area (for example, the periphery of the positive external terminal 1c and the negative external terminal 1d, parts such as a case for mounting on a vehicle not shown). it can.
  • FIG. 7 is an external perspective view of the battery module 8
  • FIG. 8 is an exploded perspective view showing a state in which a part of the battery module 8 is disassembled
  • FIG. 9 is an enlarged top view of FIG.
  • the positive electrode external terminal 1c and the negative electrode external terminal 1d of the battery cells 1 adjacent to each other in the battery block 5 are electrically connected by a plurality of bus bars 9, respectively.
  • a voltage detection line 10 for measuring the voltage of each battery cell 1 is connected to a part of the positive electrode external terminal 1 c and the negative electrode external terminal 1 d of the battery cell 1.
  • the bus bar 9 and the voltage detection line 10 are fixed by fastening nuts to bolts protruding from the positive external terminal 1c and the negative external terminal 1d.
  • the upper plate 6 is provided with a fixing hook 6e for holding the bus bar 9. According to this, since the bus bar 9 can be held on the upper plate 6 in advance, the bus bar 9 can be disposed at a predetermined position when the upper plate 6 is assembled to the battery cell stack 2. Therefore, a plurality of bus bars 9 can be easily set, and the efficiency of assembly work can be improved.
  • the upper plate 6 is provided with a partition plate 6d that partitions a plurality of voltage detection lines 10 one by one. According to this, even if the covering portion of the voltage detection line 10 is exposed due to an impact or a collision, a short circuit between the voltage detection lines 10 can be prevented. Further, the upper plate 6 is provided with a rotation preventing piece 6 f at the fastening portion of the voltage detection line 10. According to this, it can prevent that the terminal of the voltage detection wire
  • FIG. 10 is an external perspective view showing a state in which the cover 11 is attached to the upper plate 6 of the battery module 8.
  • the cover 11 is engaged with a protrusion 6 h installed on the upper plate 6.
  • the cover 11 covers the bus bar 9 and the voltage detection line 10 of the upper plate 6. By covering with the cover 11, the bus bar 9 and the voltage detection line 10 can be insulated.
  • the holding pieces 6a and 6b are provided on the upper plate 6 and the holding pieces 6a of the upper plate 6 are brought into direct contact with the gasket 1g, thereby moving the battery cell 1 in the X direction. It can be regulated and positioned. Therefore, the position of the battery cell 1 in the X direction, the Y direction, and the Z direction and the relative positions of the battery cells 1 are extremely simple with a pair of end plates 3, an upper plate 6, and a lower plate 7. Suppression of displacement movement can be achieved.
  • FIG. 11 is an embodiment in which the heat conductive sheet 12 and the heat exchanger 13 are interposed between the battery cell laminate 2 and the lower plate 7, and FIG. 12 is an exploded perspective view showing a state in which a part of FIG. 11 is disassembled. Indicates.
  • the lower plate 7 fixes the heat conductive sheet 12 and the heat exchanger 13 as heat exchanging means in a state where they are pressed against the bottom surface PB of each battery cell 1. After fixing, the bottom surface PB of each battery cell 1 and the heat exchanger 13 are thermally coupled via the heat conductive sheet 12.
  • the lower plate 7 itself may be provided with a heat exchange function (the lower plate 7 and the heat exchanger 13 may be implemented as one component). According to the above, in the battery cell 1 whose input / output performance depends on the temperature, temperature control for heating and cooling can be performed.
  • 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)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'objet de la présente invention est d'obtenir un module de batterie avec lequel, par une configuration simple, les positions des cellules de batterie sont ajustées dans trois directions et le mouvement des cellules de batterie dans des positions décalées l'une par rapport à l'autre est réduit au minimum. Le module de batterie (8) de l'invention comporte : un empilement (2) de cellules de batterie formé par empilement d'une pluralité de cellules de batterie (1) carrées ayant une borne externe (1c) d'électrode positive et une borne externe (1d) d'électrode négative associées à un couvercle (1b) de boîtier de batterie ; une première partie d'amarrage ayant une paire de plaques d'extrémité (3) disposées aux deux extrémités dans la direction d'empilement de l'empilement (2) de cellules de batterie et une seconde partie d'amarrage ayant une plaque supérieure (6) et une plaque inférieure (7) disposées sur le côté d'une surface de l'empilement (2) de cellules de batterie et sur le côté d'une surface de l'empilement opposée à la première surface. La paire de plaques d'extrémité (3) de la première partie d'amarrage et la plaque supérieure (6) et la plaque inférieure (7) de la seconde partie d'amarrage sont respectivement fixées et la seconde partie d'amarrage a un moyen d'ajustement de position afin d'ajuster les positions de la pluralité de cellules de batterie (1) au moins dans la direction d'empilement de l'empilement (2) de cellules de batterie et dans une direction orthogonale à la direction d'empilement et horizontale par rapport à la première surface.
PCT/JP2016/065109 2015-06-12 2016-05-23 Module de batterie Ceased WO2016199563A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017523179A JP6494754B2 (ja) 2015-06-12 2016-05-23 電池モジュール

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015119466 2015-06-12
JP2015-119466 2015-06-12

Publications (1)

Publication Number Publication Date
WO2016199563A1 true WO2016199563A1 (fr) 2016-12-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/065109 Ceased WO2016199563A1 (fr) 2015-06-12 2016-05-23 Module de batterie

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JP (1) JP6494754B2 (fr)
WO (1) WO2016199563A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018106822A (ja) * 2016-12-22 2018-07-05 トヨタ自動車株式会社 蓄電装置
JP2018120775A (ja) * 2017-01-26 2018-08-02 日立オートモティブシステムズ株式会社 電池モジュール
EP3321994A4 (fr) * 2015-07-09 2019-03-27 Hitachi Automotive Systems, Ltd. Module de pile
WO2019082509A1 (fr) * 2017-10-24 2019-05-02 パナソニックＩｐマネジメント株式会社 Élément de batterie et bloc-batterie l'utilisant
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CN112290148A (zh) * 2020-09-30 2021-01-29 东风汽车集团有限公司 一种具有抗振结构的动力电池包
CN113764770A (zh) * 2020-06-05 2021-12-07 丰田自动车株式会社 冷却器
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JP2018106822A (ja) * 2016-12-22 2018-07-05 トヨタ自動車株式会社 蓄電装置
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JPWO2019082509A1 (ja) * 2017-10-24 2020-09-17 パナソニックＩｐマネジメント株式会社 電池セルおよびこれを用いた組電池
WO2019155714A1 (fr) * 2018-02-09 2019-08-15 三洋電機株式会社 Dispositif d'alimentation électrique, et véhicule électrique et dispositif de stockage d'énergie comprenant ledit dispositif d'alimentation électrique
CN111435721A (zh) * 2019-01-15 2020-07-21 丰田自动车株式会社 电池装置
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CN111435721B (zh) * 2019-01-15 2022-09-23 丰田自动车株式会社 电池装置
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CN113764770A (zh) * 2020-06-05 2021-12-07 丰田自动车株式会社 冷却器
CN113764770B (zh) * 2020-06-05 2024-04-30 丰田自动车株式会社 冷却器
CN112290148A (zh) * 2020-09-30 2021-01-29 东风汽车集团有限公司 一种具有抗振结构的动力电池包
JP2022148373A (ja) * 2021-03-24 2022-10-06 株式会社Ｇｓユアサ 蓄電装置
JP7716645B2 (ja) 2021-03-24 2025-08-01 株式会社Ｇｓユアサ 蓄電装置
JP2024021146A (ja) * 2022-08-03 2024-02-16 株式会社Ａｅｓｃジャパン 電池モジュール
JP7785626B2 (ja) 2022-08-03 2025-12-15 株式会社Ａｅｓｃジャパン 電池モジュール
US20240120599A1 (en) * 2022-10-10 2024-04-11 Calb Co., Ltd. Battery module and battery pack
EP4354611A1 (fr) * 2022-10-10 2024-04-17 CALB Co., Ltd. Module de batterie et bloc-batterie
JP2024166019A (ja) * 2023-05-18 2024-11-28 晶科▲儲▼能科技有限公司 電池モジュール及び電池パック

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