WO2011033727A1 - Pile assemblée, ensemble de pile assemblée, et module de pile - Google Patents

Pile assemblée, ensemble de pile assemblée, et module de pile Download PDF

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Publication number
WO2011033727A1
WO2011033727A1 PCT/JP2010/005240 JP2010005240W WO2011033727A1 WO 2011033727 A1 WO2011033727 A1 WO 2011033727A1 JP 2010005240 W JP2010005240 W JP 2010005240W WO 2011033727 A1 WO2011033727 A1 WO 2011033727A1
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WO
WIPO (PCT)
Prior art keywords
assembled battery
unit
battery
band
assembled
Prior art date
Application number
PCT/JP2010/005240
Other languages
English (en)
Japanese (ja)
Inventor
高崎裕史
安井俊介
糸井俊樹
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Publication of WO2011033727A1 publication Critical patent/WO2011033727A1/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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
    • 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
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/512—Connection only in parallel
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H01M50/522—Inorganic material
    • 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
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
    • H01M10/24—Alkaline accumulators
    • H01M10/30—Nickel accumulators
    • 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
    • H01M10/34—Gastight accumulators
    • H01M10/345—Gastight metal hydride accumulators
    • 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 an assembled battery, an assembled battery assembly, and a battery module.
  • lithium ion secondary battery is characterized by high electromotive force and high energy density while being lightweight. For this reason, there is an increasing demand for power sources for driving various types of portable electronic devices such as mobile phones, digital cameras, video cameras, laptop computers, and mobile communication devices.
  • this battery pack is configured by mounting a plurality of battery units which are composed of a plurality of batteries and connected in parallel and in series.
  • Patent Document 1 discloses such a battery unit.
  • FIG. 5 of Patent Document 1 describes a state in which five batteries called “18650” are connected in series. However, a large current is required for an automobile application. It is necessary to arrange several in parallel.
  • connection portion becomes high resistance and the capacity of the battery is reduced.
  • the battery and the connection member are not simply brought into contact with each other, but an electrical connection is reliably ensured by welding or the like.
  • the material of the connection member that can be easily welded to the battery and can ensure high mechanical strength of the connection portion may have a high electrical resistance.
  • connection methods other than welding there is a case where connection reliability and low electrical resistance are not compatible.
  • the present invention has been made in view of such a point, and an object of the present invention is to provide an assembled battery that reliably secures a connection between a battery and a member for taking out current from the battery and has low internal resistance. There is.
  • an assembled battery of the present invention is an assembled battery comprising a plurality of unit cells and a connection member for electrically connecting the unit cells in parallel, and the unit cells are columnar.
  • the first electrode is provided on the upper surface
  • the second electrode is provided on the lower surface
  • the connection member connects the first electrode and the second electrode to each other.
  • a second member, and the second member includes a band-shaped portion made of a first metal and a conductive portion extending along a side surface of the unit cell from a part of a side of the band-shaped portion.
  • the unit cell is in contact with the lower surface and the second electrode and the belt-like portion are electrically connected to one surface of the belt-like portion, and the other surface of the belt-like portion Includes a current-carrying assisting portion made of a second metal having a lower electrical resistance than the first metal, and is electrically It has a configuration that has been continued.
  • the belt-like portion and the second electrode are connected by spot welding, and a portion corresponding to the spot-welded portion on the other surface of the belt-like portion is exposed.
  • the first metal may be Ni or a Ni alloy, and the second metal may be made of Cu.
  • the unit cells may be cylindrical, and may be arranged in a row on the one surface of the band-shaped portion.
  • the assembled battery assembly of the present invention has a configuration in which a plurality of the above-mentioned assembled batteries are arranged and the first member and the second member of the adjacent assembled batteries are electrically connected.
  • the battery module of the present invention includes the above assembled battery assembly, a cooling unit that contacts the side surface of the unit cell and cools the unit cell, and a case that houses the assembled battery assembly and the cooling unit. It has the composition which is.
  • the current-carrying assisting portion having a low electrical resistance is fixed and electrically connected to the second connecting member, current easily flows through the second connecting member, and electricity is effectively used. it can.
  • One surface and the other surface of the belt-like portion are surfaces facing each other, in other words, a surface on the front side and a surface on the back side of the belt.
  • Exposing the portion A corresponding to the spot-welded portion on the other surface of the belt-shaped portion means that the portion A is not covered by the energization assist portion.
  • Spot welding is performed by pressing an electrode against the other surface, and the above sentence means that the portion where the electrode is pressed (electrode contact portion) is exposed.
  • most of the other surface of the belt-shaped part is covered with the current-carrying assist part, and there is no current-carrying assist part at the electrode contact part, so that the electrode for spot welding can directly contact the belt-shaped part. This is the configuration.
  • To electrically connect the first member and the second member of the adjacent assembled battery is to electrically connect the first member of one assembled battery and the second member of the adjacent assembled battery, or one The second member of the assembled battery is electrically connected to the first member of the adjacent assembled battery.
  • the assembled battery 100 according to the present embodiment includes 20 unit cells 10a and 10b arranged in a line, and all 20 units are connected in parallel.
  • the unit cells 10a and 10b are connected in parallel by two types of connection members (first member 20 and second member 30).
  • the unit cells 10a and 10b are cylindrical lithium ion secondary batteries.
  • the negative electrode (second electrode) side of the unit cells 10a, 10b is placed and electrically connected.
  • the first member 20 is connected to the positive electrode (first electrode) side.
  • the first member 20 is a strip-shaped thin plate made of Cu (resistance value: 1.68 ⁇ 10 ⁇ 8 ⁇ m), and is placed on the shoulder on the positive electrode side of the unit cells 10a and 10b via an insulating spacer 50. Connected.
  • connection is performed here by spot welding, another welding method such as laser welding may be used, or a method of bonding with a conductive adhesive may be used, and the connection method is not particularly limited.
  • the second member 30 extends to the positive electrode side along the side surfaces of the unit cells 10a and 10b from a part of the side of the band unit 32, which is electrically connected to the negative electrodes of the unit cells 10a and 10b.
  • the conductive portion 34 is provided.
  • the band-shaped portion 32 is a band-shaped thin plate made of Ni (first metal), and 20 unit cells 10a and 10b are arranged in a line and placed on the same.
  • the strip portion 32 and the negative electrodes of the unit cells 10a and 10b are connected and fixed by spot welding.
  • the negative electrodes of the unit cells 10a and 10b are made of a plate obtained by applying Ni plating to the surface of iron, and the strip portion 32 is made of Ni (resistance value: 6.99 ⁇ 10 ⁇ 8 ⁇ m). Both are securely and securely connected electrically and mechanically.
  • the conductive portion 34 rises vertically upward from the strip-shaped portion 32.
  • the strip portion 32 and the conductive portion 34 are made by bending a single Ni plate.
  • the conductive parts 34 extend upward from the band-like part 32 with a width of about twice the diameter of the unit cells 10a, 10b, and four conductive parts 34 are provided at equal intervals on the side of the band-like part 32.
  • a negative electrode side connecting portion 42 that is bent at a right angle in a direction away from the unit cells 10 a and 10 b is formed at the upper end of the conductive portion 34.
  • the negative electrode side connecting portion 42 is electrically connected and fixed to the positive electrode side connecting portion 22 of another assembled battery placed next to the assembled battery 100.
  • the negative electrode side connecting portion 42 and the positive electrode side connecting portion 22 are perforated, and both are connected by screwing or the like using the holes.
  • the conductive portion 34 is a single plate that rises from all sides of the strip portion 32.
  • the conductive portion 34 is small and has a small area. In order to balance these two relationships, in the present embodiment, four conductive parts are installed at equal intervals in one band-like part 32, and the side surfaces of the twelve unit cells 10a and 10b are in direct contact with the cooling part. I am doing so.
  • an energization assist portion 36 made of Cu (second metal) is provided on the surface (lower surface, the other surface 40) opposite to the surface 38 (upper surface) on which the unit cells 10 a and 10 b are placed. It is fixed to and electrically connected to the belt-like portion 32.
  • the current-carrying assisting portion 36 has two copper plates extending continuously in the longitudinal direction of the strip-like portion 32 in a rail shape.
  • the energization assist unit 36 is not installed at the center in the width direction of the band-shaped unit 32. That is, the portion A corresponding to the portion to be spot welded on the one surface 38 side is exposed on the other surface 40 of the belt-shaped portion 32.
  • the welding is reliably performed without hindering spot welding between the belt-like portion 32 and the unit cells 10a and 10b. This is because when a Cu plate is placed on a Ni plate and an electrode is brought into contact with the Cu plate and spot welding is performed, reliable welding is hindered due to the Cu plate, and the mechanical strength of the welded portion is reduced. This is because the small electrical connection also reduces the certainty.
  • the energization assist unit 36 is made of Cu and has an electric resistance lower than that of Ni. Specifically, Cu has a resistance value of about 1/4 of Ni. Therefore, in the present embodiment, the electric resistance of the strip-shaped portion 32 as a whole is lowered, and electricity can be effectively used as the entire assembled battery 100. Further, in the unit cell 10a (unit cell in which the conductive unit is disposed on the side surface) and the unit cell 10b having a relatively small distance from the conductive unit 34, the length of the energization path to the conductive unit 34 is long.
  • the amount of voltage drop differs depending on whether the current drop assist unit 36 is present, but the amount of voltage drop from each unit cell 10a, 10b to the current extraction terminal is relative to any unit cell as compared with the case where the current carry assist unit 36 is not present. And the variation in the current value of each unit cell 10a, 10b is reduced.
  • the rear side end of the figure In the case of the 20 unit cells 10a and 10b shown in FIGS. 1 and 2, assuming that the voltages of the unit cells 10a and 10b are all the same, in the assembled battery 100 of the present embodiment, the rear side end of the figure.
  • the maximum current value of the unit cells 10 a and 10 b is 2.06 A
  • the current value was 1.92 A and the current value of each of the unit cells 10 a and 10 b was in the range of 1.99 ⁇ 0.07 A.
  • the current value is 2.20 A for the unit cell 10 a having the maximum current value, and the current value for the unit cell 10 b having the minimum current value. was 1.81 A, and the current value of each of the unit cells 10 a and 10 b was 2.005 ⁇ 0.195 A.
  • the simulation result shows that the variation in current between the cells 10a and 10b is significantly greater when the energization assist unit 36 is not present than when the energization assist unit 36 is present.
  • the current-carrying assisting portion 36 made of a material having a lower electrical resistance than that of the strip-shaped portion 32 material is fixed to the back surface 40 side of the strip-shaped portion 32. Since they are electrically connected, the internal resistance of the assembled battery 100 as a whole is reduced, and electricity can be used effectively.
  • FIG. 4 is a virtual diagram of an assembled battery assembly 200 in which seven assembled batteries 100 are virtually arranged.
  • the assembled battery assembly 200 is configured by connecting the assembled batteries 100 in series. Adjacent battery packs 100 are electrically connected by a negative electrode side connecting portion 42 and a positive electrode side connecting portion 22.
  • the negative electrode side connecting portion 42 is provided at the upper end of the second member 30, and the positive electrode side connecting portion 22 is provided so as to protrude to the side of the first member 20 at the upper part of the assembled battery 100.
  • the assembled batteries 100 are arranged so that the negative electrode connecting portion 42 and the positive electrode connecting portion 22 overlap, and the positions of the holes opened in the negative electrode connecting portion 42 and the positive electrode connecting portion 22 are set. In combination, you can fix it by inserting screws.
  • the unit cells are connected in series in the assembled battery, if a problem occurs in one unit cell, the assembled battery assembly and further the battery pack connecting a plurality of assembled battery assemblies will not be charged or discharged. In this case, for example, if one unit cell breaks during traveling in an electric vehicle, power is not supplied and the vehicle stops, which may cause a traffic accident or the like. There is no such danger in the assembled battery 100 and the assembled battery assembly 200 of this embodiment, and high safety can be secured as a power source for an electric vehicle.
  • FIG. 5 is an exploded view of the battery module 300 using the assembled battery assembly 200.
  • the battery module 300 includes a case 220, a cooling unit 210, an assembled battery assembly 200, an upper lid 230, and a terminal side lid 240.
  • the case 220 houses the cooling unit 210 and the assembled battery assembly.
  • the cooling unit 210 includes a recess 216 corresponding to each unit cell 10a, 10b, and the side surfaces of the unit cells 10a, 10b are in contact with the surface of the recess 10a, 10b.
  • the cooling unit 210 is water-cooled and includes a water inlet 212 and a water outlet 214.
  • Assembling of the battery module 300 starts by first assembling the assembled battery assembly 200 into the cooling unit 210 and assembling the module main body with the terminal side lid 240 inserted therein. Next, the battery module 300 is completed by incorporating the module body into the case 220 and covering and fixing the upper lid 230.
  • the battery module 300 can be charged and discharged even when one unit cell becomes unchargeable.
  • FIG. 6 is a perspective view of an assembled battery 110 according to a modification example in which only the shape of the energization assist unit 37 is different.
  • the energization assist portion 37 is not in the form of two rails, but has a shape in which a circular hole is opened in the band by the number of the unit cells 10a and 10b. Spot welding of the belt-like portion 32 and the negative electrode is performed at the position of this hole. With such a shape, the total electrical resistance of the belt-like portion 32 can be further reduced.
  • the above embodiment is an exemplification of the present invention, and the present invention is not limited to this example.
  • a lithium ion secondary battery is preferable, but a nickel hydride secondary battery or another secondary battery may be used.
  • the internal configuration and raw materials of each secondary battery are not particularly limited, and known ones can be used.
  • the shape of the unit cell may be a columnar shape such as a columnar shape, a prismatic shape, or an elliptical columnar shape.
  • the material of the second member is not limited to Ni.
  • the kind is not limited as long as it is a Ni alloy or other metal that can be easily spot-welded and can ensure high connection strength and low electrical resistance by welding.
  • the type of the energization assist portion is not limited as long as the electric resistance is lower than that of the material of the second member.
  • the energization assist unit is not limited to a metal plate, and may be a metal foil or a plate or foil made of a conductive inorganic or organic material.
  • the number and arrangement of unit cells constituting the assembled battery are not particularly limited. It does not matter if they are not arranged in one row but may be arranged in a plurality of rows.
  • the number and arrangement of the assembled batteries constituting the assembled battery assembly are not particularly limited.
  • the energization assist part may be bonded so as to cover the front surface of the other surface of the belt-like part.
  • the energization assist portion may be bonded after spot welding of the band-shaped portion and the unit cell, or the unit cell is connected to the band-shaped portion where the energization assist portion is bonded with a conductive adhesive or the like. Also good.
  • the current-carrying assist part may be fixed to the other surface of the belt-like part by welding or by a conductive adhesive. The electrical connection is maintained and the belt-like part and the current-carrying assist part are fixed. Any means may be used as long as it is.
  • the shape, size and quantity of the conductive part are not particularly limited. You may have a curved surface structure along the side surface of a unit cell.
  • the material is preferably a material having a low electrical resistance such as Cu.
  • a Cu plate may be bonded to the surface of the conductive portion by welding or adhesion.
  • Ni is used for the band-like portion 32 and Cu is used for the energization assist portion 36.
  • the resistance value of the energization assist portion 36 is lower than the resistance value of the band-like portion 32, such a combination of materials is used. It may be used. In particular, it is preferable that the resistance value of the energization assist unit 36 is 1 ⁇ 2 or less of the resistance value of the belt-shaped unit 32 because current easily flows through the energization assist unit 36.
  • the assembled battery according to the present invention has high battery efficiency and is useful as a power source having a large electric capacity.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

La présente invention concerne une pile assemblée dans lequel la connexion entre un élément pour prélever du courant depuis la pile et la pile est assurée de manière fiable et la résistance interne est supprimée pour être faible. La pile assemblée comporte une pluralité piles unitaires (10a, 10b) et un élément de connexion pour la connexion électrique des piles unitaires en parallèle. Les piles unitaires sont en forme de colonnes et comprennent chacune une première électrode à la surface supérieure et une seconde électrode à la surface inférieure. L'élément de connexion comporte un premier élément (20) pour connecter les premières électrodes entre elles et un second élément (30) pour connecter les secondes électrodes entre elles. Le second élément comporte une partie de bande (32) formée d'un premier métal et une partie conductrice (34) s'étendant le long de la face des piles unitaires sur le côté de la partie de bande. Les surfaces inférieures des piles unitaires sont en contact avec une surface de la partie de bande, et les secondes électrodes et la partie de bande sont connectées électriquement entre elles. Une partie d'assistance de conduction (36) formée d'un second métal présentant une résistance électrique inférieure à celle du premier métal est fixée et connectée électriquement à l'autre surface de la partie de bande.
PCT/JP2010/005240 2009-09-18 2010-08-25 Pile assemblée, ensemble de pile assemblée, et module de pile WO2011033727A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-217144 2009-09-18
JP2009217144A JP2012238393A (ja) 2009-09-18 2009-09-18 組電池、組電池集合体及び電池モジュール

Publications (1)

Publication Number Publication Date
WO2011033727A1 true WO2011033727A1 (fr) 2011-03-24

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PCT/JP2010/005240 WO2011033727A1 (fr) 2009-09-18 2010-08-25 Pile assemblée, ensemble de pile assemblée, et module de pile

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WO (1) WO2011033727A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016005967A1 (de) 2016-05-13 2017-11-16 Daimler Ag Zellmodul für eine Kraftfahrzeugbatterie
WO2020200338A1 (fr) * 2019-04-05 2020-10-08 Scio Technology Gmbh Boîtier de macro-module d'éléments de batterie, dispositif de mise en contact pour un boîtier de macro-module d'éléments de batterie, couvercle de boîtier pour un dispositif de mise en contact pour un boîtier de macro-module d'éléments de batterie et un macro-module d'éléments de batterie

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014114020A1 (de) * 2014-09-26 2016-03-31 Obrist Technologies Gmbh Batteriesystem
DE102014114023A1 (de) * 2014-09-26 2016-03-31 Obrist Technologies Gmbh Batteriesystem
DE102014114021A1 (de) * 2014-09-26 2016-03-31 Obrist Technologies Gmbh Batteriegehäuse
FR3048906B1 (fr) * 2016-03-17 2018-04-27 Accuwatt Procede de soudage entre un element conducteur et un pole de batterie et batteries assemblees avec un tel procede
KR102301196B1 (ko) 2018-10-04 2021-09-09 주식회사 엘지에너지솔루션 접속 플레이트를 구비한 배터리 팩

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001176472A (ja) * 1999-10-08 2001-06-29 Matsushita Electric Ind Co Ltd 組電池
JP2007280679A (ja) * 2006-04-04 2007-10-25 Sanyo Electric Co Ltd 組電池
JP2007335113A (ja) * 2006-06-12 2007-12-27 Sony Corp 電極タブおよび電池パック
JP2008066090A (ja) * 2006-09-07 2008-03-21 Hitachi Vehicle Energy Ltd 組電池
WO2008062951A1 (fr) * 2006-11-20 2008-05-29 Lg Chem, Ltd. Procédé pour la connexion d'un élément conducteur à un dispositif

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001176472A (ja) * 1999-10-08 2001-06-29 Matsushita Electric Ind Co Ltd 組電池
JP2007280679A (ja) * 2006-04-04 2007-10-25 Sanyo Electric Co Ltd 組電池
JP2007335113A (ja) * 2006-06-12 2007-12-27 Sony Corp 電極タブおよび電池パック
JP2008066090A (ja) * 2006-09-07 2008-03-21 Hitachi Vehicle Energy Ltd 組電池
WO2008062951A1 (fr) * 2006-11-20 2008-05-29 Lg Chem, Ltd. Procédé pour la connexion d'un élément conducteur à un dispositif

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016005967A1 (de) 2016-05-13 2017-11-16 Daimler Ag Zellmodul für eine Kraftfahrzeugbatterie
WO2017194181A1 (fr) 2016-05-13 2017-11-16 Daimler Ag Module d'éléments pour une batterie de véhicule à moteur
WO2020200338A1 (fr) * 2019-04-05 2020-10-08 Scio Technology Gmbh Boîtier de macro-module d'éléments de batterie, dispositif de mise en contact pour un boîtier de macro-module d'éléments de batterie, couvercle de boîtier pour un dispositif de mise en contact pour un boîtier de macro-module d'éléments de batterie et un macro-module d'éléments de batterie

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