FR2585185A1 - Metal shroud for electric batteries and electric batteries applying same - Google Patents

Metal shroud for electric batteries and electric batteries applying same Download PDF

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Publication number
FR2585185A1
FR2585185A1 FR8510884A FR8510884A FR2585185A1 FR 2585185 A1 FR2585185 A1 FR 2585185A1 FR 8510884 A FR8510884 A FR 8510884A FR 8510884 A FR8510884 A FR 8510884A FR 2585185 A1 FR2585185 A1 FR 2585185A1
Authority
FR
France
Prior art keywords
cover
orifice
current outlet
battery
sealed
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.)
Granted
Application number
FR8510884A
Other languages
French (fr)
Other versions
FR2585185B1 (en
Inventor
Jean-Paul Naudet
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.)
SAFT Societe des Accumulateurs Fixes et de Traction SA
Original Assignee
SAFT Societe des Accumulateurs Fixes et de Traction SA
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 SAFT Societe des Accumulateurs Fixes et de Traction SA filed Critical SAFT Societe des Accumulateurs Fixes et de Traction SA
Priority to FR8510884A priority Critical patent/FR2585185B1/en
Publication of FR2585185A1 publication Critical patent/FR2585185A1/en
Application granted granted Critical
Publication of FR2585185B1 publication Critical patent/FR2585185B1/en
Expired 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
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/147—Lids or covers
    • H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
    • H01M50/169—Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
    • 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
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/183—Sealing members
    • H01M50/186—Sealing members characterised by the disposition of the sealing members
    • 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
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/183—Sealing members
    • H01M50/19—Sealing members characterised by the material
    • H01M50/191—Inorganic material
    • 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
    • H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
    • 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

Abstract

Metal shroud 1 for electric battery comprising a metal cover 23 through which passes in a leaktight manner a current outlet 23 sealed to the glass 25. The shroud 1 contains a central depression 8 having an orifice 9 for the passage of the end of the current outlet which is welded directly to the shroud via the outside of the battery.

Description

Capot métallique pour piles électriques et piles électriques en faisant application.Metal cover for electric cells and electric cells when applying.

La présente invention concerne un capot métallique pour piles électriques ainsi que des piles électriques en faisant application. The present invention relates to a metal cover for electric cells as well as electric cells using them.

Elle se rapporte en particulier à des piles comportant un bottier métallique dont le couvercle est traversé de manière étanche par une sortie de courant scellée au verre. Le capot, dont la face externe est destinée à servir de borne, a sa face interne solidarisée à la sortie de courant. La solidarisation est réalisée généralement par l'intermédiaire d'une lame de connexion métallique soudée respectivement au capot et à la sortie de courant. Elle nécessite donc deux opérations de soudure successives, coûteuses, et très difficiles à automatiser sur une channe de montage de piles, surtout lorsque ces dernières ont un petit diamètre. It relates in particular to batteries comprising a metal case, the cover of which is sealed in a sealed manner by a current outlet sealed with glass. The cover, the external face of which is intended to serve as a terminal, has its internal face secured to the current outlet. The connection is generally carried out by means of a metal connection blade welded respectively to the cover and to the current outlet. It therefore requires two successive welding operations, expensive, and very difficult to automate on a battery mounting channel, especially when the latter have a small diameter.

La présente invention a pour but de réaliser un capot de pile permettant d'éviter la mise en oeuvre de cette connexion encombrante et délicate à mettre en place. The object of the present invention is to produce a battery cover making it possible to avoid the implementation of this bulky and delicate connection to set up.

La présente invention a pour objet un capot métallique pour pile électrique comportant un bottier dont le couvercle métallique est traversé de manière étanche par une sortie de courant scellée au verre, ledit capot étant destiné à être solidarisé à ladite sortie du courant pour servir de borne à la pile, caractérisé par le fait qu'il comporte une dépression centrale présentant un orifice pour le passage de l'extrémité de ladite sortie de courant, le bord dudit orifice constituant au moins une languette rabattue vers la face externe dudit capot pour être fixée directement par soudure à ladite extrémité. The subject of the present invention is a metal cover for an electric battery comprising a case, the metal cover of which is sealed through by a current outlet sealed with glass, said cover being intended to be secured to said current outlet to serve as a terminal for the battery, characterized in that it has a central depression having an orifice for the passage of the end of said current outlet, the edge of said orifice constituting at least one tab folded back towards the external face of said cover to be fixed directly by welding at said end.

La présente invention a également pour objet une pile comportant un tel capot. The present invention also relates to a battery comprising such a cover.

Selon un mode de réalisation ledit capot comporte au moins un bossage dont le plan est orthogonal à l'axe de la pile et qui sert de borne de ladite polarité, le plan de la face externe de ladite sortie de courant ne dépassant pas le plan dudit bossage. According to one embodiment, said cover comprises at least one boss, the plane of which is orthogonal to the axis of the stack and which serves as the terminal of said polarity, the plane of the external face of said current output not exceeding the plane of said boss.

Ainsi, ledit capot peut présenter deux bossages en forme de demi-lunes situés de part et d'autre d'une dépression diamétrale comportant ledit orifice. Thus, said cover may have two bosses in the form of half-moons located on either side of a diametrical depression comprising said orifice.

L'invention s'applique à toutes les piles comportant une traversée verre-métal, mais particulièrement aux piles mettant en oeuvre le couple lithium/chlorure de thionyle. The invention applies to all batteries having a glass-to-metal crossing, but particularly to batteries using the lithium / thionyl chloride pair.

D'autres caractéristiques et avantages de la présente invention apparattront au cours de la description suivante de modes de réalisation donnés à titre illustratif mais nullement limitatif. Dans le dessin annexé : - La figure 1 est une vue de dessus d'un capot métallique selon l'invention. Other characteristics and advantages of the present invention will appear during the following description of embodiments given by way of illustration but in no way limitative. In the accompanying drawing: - Figure 1 is a top view of a metal cover according to the invention.

- La figure 2 est une vue en coupe selon la ligne Il-Il de la figure 1.- Figure 2 is a sectional view along the line II-II of Figure 1.

- La figure 3 est une vue en coupe partielle d'une pile dans laquelle a été monté le capot des figures 1 et 2.- Figure 3 is a partial sectional view of a stack in which the cover of Figures 1 and 2 has been mounted.

Le capot 1 selon l'invention est destiné à servir de borne à une pile électrique cylindrique d'axe 3 ; il est embouti de manière à présenter un rebord plat 2 et deux bossages 4 et 5 en forme de demi-lunes dont les faces externes 6 et 7 doivent servir de borne à la pile. Le fond de ce capot 1 comporte une dépression diamétrale 8 avec un orifice central ou crevé 9. Les bords de l'orifice 9 forment deux languettes 11 et 12 parallèles à l'axe 3. The cover 1 according to the invention is intended to serve as a terminal for a cylindrical electric cell of axis 3; it is stamped so as to present a flat rim 2 and two bosses 4 and 5 in the form of half-moons whose external faces 6 and 7 must serve as a terminal for the stack. The bottom of this cover 1 has a diametrical depression 8 with a central or punctured orifice 9. The edges of the orifice 9 form two tongues 11 and 12 parallel to the axis 3.

On voit dans la figure 3 le capot 1 mis en place sur une pile 10. We see in Figure 3 the cover 1 placed on a battery 10.

Cette dernière comporte un bottier métallique constitué d'un godet 20 fermé de manière étanche en 22 par un couvercle 21. Un alésage est prévu dans la partie centrale du couvercle 21 pour une pièce métallique 24.The latter comprises a metal case consisting of a bucket 20 closed in a sealed manner at 22 by a cover 21. A bore is provided in the central part of the cover 21 for a metal part 24.

Le fond du godet 20 sert par exemple de borne positive à la pile. The bottom of the bucket 20 serves for example as a positive terminal to the battery.

La sortie de courant négative est formée d'un pion cylindrique métallique 23 relié de manière étanche à la pièce 24 par un joint de verre 25. A titre d'exemple, le pion 23 a un diamètre de deux millimètres.The negative current output is formed by a cylindrical metal pin 23 tightly connected to the part 24 by a glass gasket 25. By way of example, the pin 23 has a diameter of two millimeters.

Un disque 27 de matière plastique isolante (téflon par exemple) est mis en place autour du pion 23, puis on dispose directement le capot 1. La solidarisation avec le pion métallique 23 peut se faire très aisément directement par soudure des languettes 11 et 12 sur l'extrémité de ce pion. La soudure, par exemple une soudure électrique, peut donc être effectuée de manière visible, à l'extérieur de la pile, sans aucun problème d'accès. Ceci permet une mécanisation facile du montage du capot. A disc 27 of insulating plastic material (Teflon for example) is put in place around the pin 23, then the cover 1 is placed directly. The attachment with the metal pin 23 can be done very easily directly by welding the tabs 11 and 12 on the end of this pawn. Welding, for example electrical welding, can therefore be carried out visibly, outside the stack, without any problem of access. This allows easy mechanization of the hood assembly.

On a illustré un exemple avec deux languettes soudées, permettant à la fois un bon contact électrique et un bon maintien mécanique. Mais on peut envisager une autre forme pour les languettes, et un nombre plus important de zones de soudure. An example has been illustrated with two welded tongues, allowing both good electrical contact and good mechanical support. But we can consider another form for the tabs, and a larger number of weld zones.

Pour que l'on puisse réaliser un empilage de piles du type de celle de la figure 3, il faut que le plan de la face extérieure 26 du pion 23 ne dépasse pas le plan des faces externes 6 et 7 des bossages 4 et 5. Il faut remarquer que la disposition selon l'invention permet de réduire notablement la hauteur de la pile, les structures de l'art antérieur ayant toutes une lame interne de connexion supplémentaire et un capot couvrant la face supérieure 26 du pion central 23. Ceci présente un grand intérêt lors du montage des piles en batteries dans un container de volume intérieur imposé. So that a stack of stacks of the type of that of FIG. 3 can be produced, the plane of the external face 26 of the pin 23 must not exceed the plane of the external faces 6 and 7 of the bosses 4 and 5. It should be noted that the arrangement according to the invention makes it possible to significantly reduce the height of the stack, the structures of the prior art all having an additional internal connection blade and a cover covering the upper face 26 of the central pin 23. This has great interest when mounting batteries into batteries in a container of imposed internal volume.

La finition de la pile nécessite la mise en place d'une rondelle périphérique 28 et d'une gaine 30 en matière plastique thermorétractable. Finishing the stack requires the installation of a peripheral washer 28 and a sheath 30 of heat-shrinkable plastic.

Les faces externes 6 et 7 des bossages 4 et 5 peuvent être soudées à des connexions permettant le montage des piles en batterie. The external faces 6 and 7 of the bosses 4 and 5 can be welded to connections allowing the mounting of the batteries into a battery.

L'invention s'applique tout particulièrement aux piles cylindres de petit diamètre mettant en oeuvre une traversée étanche verre-métal. The invention applies very particularly to small-diameter cylinder stacks using a sealed glass-to-metal crossing.

On peut citer les piles utilisant les couples lithium/S0Cl2, lithium/oxyde de cuivre, lithium/oxyphosphate de cuivre.Mention may be made of batteries using the lithium / SOCl2, lithium / copper oxide, lithium / copper oxyphosphate pairs.

Mais bien entendu l'invention n'est pas limitée à ces applications, ni au mode de réalisation qui vient d'être décrit.  But of course the invention is not limited to these applications, nor to the embodiment which has just been described.

Claims (5)

REVENDICATIONS 1/ Capot métallique pour pile électrique comportant un bottier dont le couvercle métallique est traversé de manière étanche par une sortie de courant scellée au verre, ledit capot étant destiné à être solidarisé à ladite sortie du courant pour servir de borne à la pile, caractérisé par le fait qu'il comporte une dépression centrale présentant un orifice pour le passage de ltextrémité de ladite sortie de courant, le bord dudit orifice constituant au moins une languette rabattue vers la face externe dudit capot pour être fixée directement par soudure à ladite extrémité.1 / Metal cover for an electric battery comprising a casing, the metal cover of which is leaktightly crossed by a current outlet sealed with glass, said cover being intended to be secured to said current outlet to serve as a terminal for the battery, characterized by the fact that it has a central depression having an orifice for the passage of the end of said current outlet, the edge of said orifice constituting at least one tab folded back towards the external face of said cover to be fixed directly by welding to said end. 2/ Pile électrique comportant un bottier dont le couvercle métallique est traversé de manière étanche par une sortie de courant d'une polarité scellée au verre, ladite sortie de courant étant connectée à un capot devant servir de borne de ladite polarité, caractérisée par le fait que ledit capot comporte une dépression centrale présentant un orifice pour le passage de l'extrémité de ladite sortie de courant, le bord dudit orifice constituant au moins une languette rabattue vers la face externe du capot et soudée directement à ladite extrémité.2 / Electric cell comprising a case, the metal cover of which is sealed through by a current outlet of a polarity sealed to the glass, said current outlet being connected to a cover intended to serve as a terminal of said polarity, characterized by the fact that said cover comprises a central depression having an orifice for the passage of the end of said current outlet, the edge of said orifice constituting at least one tongue folded down towards the external face of the cover and welded directly to said end. 3/ Pile selon la revendication 2, caractérisée par le fait que ledit capot comporte au moins un bossage dont le plan est orthogonal à l'axe de la pile et qui sert de borne de ladite polarité, le plan de la face externe de ladite sortie de courant ne dépassant pas le plan dudit bossage. 3 / battery according to claim 2, characterized in that said cover comprises at least one boss whose plane is orthogonal to the axis of the battery and which serves as a terminal of said polarity, the plane of the external face of said outlet current not exceeding the plane of said boss. 4/ Pile selon la revendication 3, caractérisée par le fait que ledit capot présente deux bossages en forme de demi-lunes situés de part et d'autre d'une dépression diamétrale comportant ledit orifice.4 / A cell according to claim 3, characterized in that said cover has two bosses in the form of half-moons located on either side of a diametrical depression comprising said orifice. 5/ Pile selon l'une des revendications 2 à 4, caractérisée par le fait qu'elle met en oeuvre les couples lithium/SOCl2, lithium/oxyde de cuivre, lithium/oxyphosphate de cuivre. 5 / Battery according to one of claims 2 to 4, characterized in that it implements the pairs lithium / SOCl2, lithium / copper oxide, lithium / copper oxyphosphate.
FR8510884A 1985-07-16 1985-07-16 METAL HOOD FOR ELECTRICAL CELLS AND ELECTRICAL CELLS USING THE SAME Expired FR2585185B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8510884A FR2585185B1 (en) 1985-07-16 1985-07-16 METAL HOOD FOR ELECTRICAL CELLS AND ELECTRICAL CELLS USING THE SAME

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8510884A FR2585185B1 (en) 1985-07-16 1985-07-16 METAL HOOD FOR ELECTRICAL CELLS AND ELECTRICAL CELLS USING THE SAME

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FR2585185A1 true FR2585185A1 (en) 1987-01-23
FR2585185B1 FR2585185B1 (en) 1987-09-25

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003079464A2 (en) * 2002-03-13 2003-09-25 Epcos Ag Cup-shaped housing and condenser with said housing
EP1465266A1 (en) * 2003-04-04 2004-10-06 Saft, Sa Electrical connection of a terminal
WO2008021230A2 (en) * 2006-08-11 2008-02-21 Johnson Controls Technology Company Battery with integrally formed terminal
US8100211B2 (en) 2008-03-07 2012-01-24 Johnson Controls Hybrid And Recycling Gmbh Electrochemical accumulator and vehicle comprising an electrochemical accumulator
US8530069B2 (en) 2006-12-14 2013-09-10 Johnson Controls—SAFT Advanced Power Solutions LLC Battery module
US8568915B2 (en) 2006-08-11 2013-10-29 Johnson Controls—SAFT Power Solutions LLC Battery with integrally formed terminal
US8603660B2 (en) 2008-11-12 2013-12-10 Johnson Controls—SAFT Advanced Power Solutions LLC Battery system with heat exchanger
US8999538B2 (en) 2008-08-14 2015-04-07 Johnson Controls—SAFT Advanced Power Solutions LLC Battery module with sealed vent chamber
US9276295B2 (en) 2007-07-30 2016-03-01 Johnson Controls—SAFT Advanced Power Solutions LLC Storage battery arrangement
US9527157B2 (en) 2011-02-18 2016-12-27 Schott Ag Feed-through
US10224521B2 (en) 2011-02-18 2019-03-05 Schott Ag Feed-through
WO2022071298A1 (en) * 2020-09-29 2022-04-07 株式会社Ｇｓユアサ Power storage element
US11462789B2 (en) 2011-02-18 2022-10-04 Schott Ag Base body for feeding through of a conductor, and a housing component of a housing, in particular a battery housing comprising said base body
US11660971B2 (en) 2006-11-07 2023-05-30 Clarios Advanced Solutions Llc System for arranging and coupling battery cells in a battery module

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005865A (en) * 1958-03-08 1961-10-24 Svenska Ackumulator Ab Sealing assembly for batteries
FR2446543A2 (en) * 1979-01-12 1980-08-08 Accumulateurs Fixes CYLINDRICAL ELECTRIC BATTERY

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005865A (en) * 1958-03-08 1961-10-24 Svenska Ackumulator Ab Sealing assembly for batteries
FR2446543A2 (en) * 1979-01-12 1980-08-08 Accumulateurs Fixes CYLINDRICAL ELECTRIC BATTERY

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7016178B2 (en) 2002-03-13 2006-03-21 Epcos Ag Capacitor housing
WO2003079464A3 (en) * 2002-03-13 2003-12-04 Epcos Ag Cup-shaped housing and condenser with said housing
WO2003079464A2 (en) * 2002-03-13 2003-09-25 Epcos Ag Cup-shaped housing and condenser with said housing
US7335443B2 (en) 2003-04-04 2008-02-26 Saft Group Sa Electric coupling of a connection to a terminal
FR2853455A1 (en) * 2003-04-04 2004-10-08 Cit Alcatel ELECTRICAL CONNECTION OF A CONNECTION ON A TERMINAL
EP1465266A1 (en) * 2003-04-04 2004-10-06 Saft, Sa Electrical connection of a terminal
WO2008021230A2 (en) * 2006-08-11 2008-02-21 Johnson Controls Technology Company Battery with integrally formed terminal
WO2008021230A3 (en) * 2006-08-11 2008-05-02 Johnson Controls Tech Co Battery with integrally formed terminal
CN101501885B (en) * 2006-08-11 2012-05-30 约翰逊控制技术公司 Battery with integrally formed terminal
US8568915B2 (en) 2006-08-11 2013-10-29 Johnson Controls—SAFT Power Solutions LLC Battery with integrally formed terminal
US11660971B2 (en) 2006-11-07 2023-05-30 Clarios Advanced Solutions Llc System for arranging and coupling battery cells in a battery module
US8530069B2 (en) 2006-12-14 2013-09-10 Johnson Controls—SAFT Advanced Power Solutions LLC Battery module
US9276295B2 (en) 2007-07-30 2016-03-01 Johnson Controls—SAFT Advanced Power Solutions LLC Storage battery arrangement
US8100211B2 (en) 2008-03-07 2012-01-24 Johnson Controls Hybrid And Recycling Gmbh Electrochemical accumulator and vehicle comprising an electrochemical accumulator
US8999538B2 (en) 2008-08-14 2015-04-07 Johnson Controls—SAFT Advanced Power Solutions LLC Battery module with sealed vent chamber
US8603660B2 (en) 2008-11-12 2013-12-10 Johnson Controls—SAFT Advanced Power Solutions LLC Battery system with heat exchanger
US9225045B2 (en) 2008-11-12 2015-12-29 Johnson Controls—SAFT Advanced Power Solutions LLC Battery system with heat exchanger
US9527157B2 (en) 2011-02-18 2016-12-27 Schott Ag Feed-through
US9539665B2 (en) 2011-02-18 2017-01-10 Schott Ag Feed-through
US9616518B2 (en) 2011-02-18 2017-04-11 Schott Ag Feed-through
US9799860B2 (en) 2011-02-18 2017-10-24 Schott Ag Feed-through
US10224521B2 (en) 2011-02-18 2019-03-05 Schott Ag Feed-through
US10751831B2 (en) 2011-02-18 2020-08-25 Schott Ag Feed-through component
US11462789B2 (en) 2011-02-18 2022-10-04 Schott Ag Base body for feeding through of a conductor, and a housing component of a housing, in particular a battery housing comprising said base body
WO2022071298A1 (en) * 2020-09-29 2022-04-07 株式会社Ｇｓユアサ Power storage element

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