WO2014050329A1 - Dispositif de stockage d'électricité et procédé de soudage - Google Patents

Dispositif de stockage d'électricité et procédé de soudage Download PDF

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Publication number
WO2014050329A1
WO2014050329A1 PCT/JP2013/071758 JP2013071758W WO2014050329A1 WO 2014050329 A1 WO2014050329 A1 WO 2014050329A1 JP 2013071758 W JP2013071758 W JP 2013071758W WO 2014050329 A1 WO2014050329 A1 WO 2014050329A1
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WO
WIPO (PCT)
Prior art keywords
external terminal
bus bar
thin
storage device
welding
Prior art date
Application number
PCT/JP2013/071758
Other languages
English (en)
Japanese (ja)
Inventor
雅和 ▲堤▼
Original Assignee
株式会社Ｇｓユアサ
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Ｇｓユアサ filed Critical 株式会社Ｇｓユアサ
Priority to JP2014538266A priority Critical patent/JP6286354B2/ja
Publication of WO2014050329A1 publication Critical patent/WO2014050329A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—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
    • H01M50/50—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
    • H01M50/564—Terminals characterised by their manufacturing process
    • H01M50/566—Terminals characterised by their manufacturing process 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
    • 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
    • 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
    • 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
    • H01M50/562—Terminals characterised by the material
    • 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 power storage device including a power storage element having an external terminal and a bus bar connected to the external terminal.
  • the present invention also relates to a method for welding an external terminal of a power storage element and a bus bar.
  • chargeable / dischargeable storage elements such as batteries (lithium ion batteries, nickel metal hydride batteries, etc.) and capacitors (electric double layer capacitors, etc.) have been used in vehicles (automobiles, motorcycles, etc.), various devices (mobile terminals, notebook computers, etc.).
  • batteries lithium ion batteries, nickel metal hydride batteries, etc.
  • capacitors electric double layer capacitors, etc.
  • As a power source various types of batteries are provided.
  • a battery module in which external terminals of a plurality of battery cells are connected by a conductive bus bar and configured as one battery (Patent Document 1).
  • the external terminals and the bus bar are laser-welded in order to connect the external terminals of the plurality of battery cells with the bus bar.
  • laser light is irradiated from the upper part of the bus bar.
  • the amount of heat required to melt the plate-like bus bar in the thickness direction is required. Therefore, thermal damage to the external terminal and further thermal damage to the electrode body that is the internal structure of the external terminal increase.
  • an object of the present invention is to provide a power storage device that can reduce thermal damage to the external terminal of the power storage element, and a method for welding the external terminal of the power storage element and the bus bar.
  • the power storage device includes: A storage element having an external terminal; A bus bar having a connection portion and connected to an external terminal at the connection portion; The connecting portion of the bus bar has a thin portion on a part opposite to the surface facing the external terminal, The thin portion and the external terminal are welded.
  • the thin part is formed by coining a part of the connection part, You may do it.
  • the external terminal has a shaft portion inserted into the power storage element,
  • the predetermined part of the thin part and the part of the external terminal that is separated from the shaft part in a direction intersecting the axis of the shaft part are welded. You may do it.
  • the thin-walled portion is arranged at a location away from the shaft portion in the direction intersecting the axis of the shaft portion of the external terminal. You may do it.
  • the welding method of the external terminal and the bus bar of the electricity storage device according to the present invention, A method of welding the external terminal and the bus bar of the electricity storage device having the external terminal, The thin portion formed on the bus bar is irradiated with laser light by denting the opposite side of the surface facing the external terminal, and the thin portion and the external terminal are welded.
  • FIG. 1 is a perspective view of a battery module according to an embodiment of the present invention.
  • FIG. 2 shows a plan view of the battery module.
  • FIG. 3 shows a perspective view of a battery cell constituting the battery module.
  • FIG. 4 shows a perspective view of a bus bar for connecting the battery cells.
  • 5 shows an enlarged cross-sectional view of the bus bar taken along line VV of FIG.
  • FIG. 6 shows a partially enlarged cross-sectional view of the bus bar welded to the external terminal.
  • FIG. 7 is a plan view showing an aspect of a place where the bus bar is welded to the external terminal.
  • FIG. 8 is a plan view showing another aspect of the place where the bus bar is welded to the external terminal.
  • FIG. 9 shows a partial plan view of a battery module according to another embodiment of the present invention.
  • FIG. 10 is a partially enlarged cross-sectional view of a battery module according to still another embodiment of the present invention.
  • FIG. 11 is a partial plan view of a battery module according to still another embodiment of the present invention.
  • 12 shows an enlarged cross-sectional view of the battery module taken along line XII-XII of FIG.
  • FIG. 13 is a partially enlarged cross-sectional view of a battery module according to still another embodiment of the present invention.
  • the power storage device includes: A storage element having an external terminal; A bus bar having a connection portion and connected to an external terminal at the connection portion; The connecting portion of the bus bar has a thin portion on a part opposite to the surface facing the external terminal, The thin portion and the external terminal are welded.
  • the thin portion is provided in the connection portion of the bus bar, and the thin portion and the external terminal are welded.
  • heat amount for welding becomes small. Therefore, the thermal damage of the external terminal can be reduced.
  • the thin part is formed by coining a part of the connection part, You may do it.
  • the thin portion is formed with high accuracy by coining. Therefore, the thin portion can be made flat with respect to the external terminal. And the heat quantity for welding the thin part and external terminal of a bus bar can be equalized in a thin part.
  • the external terminal has a shaft portion inserted into the power storage element,
  • the predetermined part of the thin part and the part of the external terminal that is separated from the shaft part in a direction intersecting the axis of the shaft part are welded. You may do it.
  • the shaft portion inserted into the power storage element is provided in the external terminal.
  • the external terminal is welded with the predetermined location of the thin part in the direction which cross
  • the thin-walled portion is arranged at a location away from the shaft portion in the direction intersecting the axis of the shaft portion of the external terminal. You may do it.
  • the thin portion is disposed at a location away from the shaft portion in a direction intersecting the axis of the shaft portion.
  • the welding method of the external terminal and the bus bar of the electricity storage device according to the present invention, A method of welding the external terminal and the bus bar of the electricity storage device having the external terminal, The thin portion formed on the bus bar is irradiated with laser light by denting the opposite side of the surface facing the external terminal, and the thin portion and the external terminal are welded.
  • the thin portion is provided at the connection portion of the bus bar.
  • a thin part and an external terminal are welded by irradiating a thin part with a laser beam.
  • the battery module according to the present embodiment includes a plurality of battery cells (storage elements) 1,... And a housing 10 that houses the plurality of battery cells 1.
  • the battery cell 1 includes a case 2 as shown in FIG.
  • the case 2 includes a case main body 2a having an opening and a lid plate 2b that closes and seals the opening of the case main body 2a.
  • An electrode body (not shown) is accommodated in the case 2.
  • the battery cell 1 can employ a rectangular battery having a rectangular parallelepiped appearance or a round battery having a cylindrical appearance.
  • the battery cell 1 which concerns on this embodiment is a square battery. Therefore, the case body 2a has a bottomed rectangular tube shape that is flat in the width direction.
  • the lid plate 2b is a rectangular plate material corresponding to the opening of the case body 2a.
  • the external gasket 3 is disposed on the outer surface of the case 2, more specifically, on the outer surface of the cover plate 2b.
  • the external terminal 4 is disposed on the outer surface of the external gasket 3.
  • the external gasket 3 has a recess, and the external terminal 4 is disposed in the recess.
  • the external terminal 4 is made of, for example, an aluminum-based metal material such as aluminum or an aluminum alloy.
  • a through opening (not shown) is formed in the lid plate 2b.
  • the through opening (see FIG. 6) is also formed in the external gasket 3.
  • the external gasket 3 is disposed on the outer surface of the lid plate 2b so that the through-opening thereof coincides with the through-opening of the lid plate 2b.
  • the external terminal 4 has a shaft portion 4a (see FIG. 6) that passes through these through openings.
  • the shaft portion 4a of the external terminal 4 penetrating the external gasket 3 and the cover plate 2b through the two through openings is connected to a current collector (not shown). This current collector is connected to the electrode body. Thereby, the external terminal 4 is electrically connected to the electrode body.
  • the external gasket 3 and the external terminal 4 for the positive electrode and the external gasket 3 and the external terminal 4 for the negative electrode are provided in the battery cell 1.
  • the external gasket 3 and the external terminal 4 for the positive electrode are disposed at one end in the longitudinal direction of the lid plate 2b.
  • the external gasket 3 and the external terminal 4 for the negative electrode are disposed at the other end in the longitudinal direction of the lid plate 2b.
  • the external gasket 3 and the external terminal 4 have a rectangular shape in plan view.
  • the external gasket 3 and the external terminal 4 have a rectangular shape with a small size in the width direction of the cover plate 2b and a large size in a direction perpendicular to the width direction.
  • the upper part of the external terminal 4 is a flat surface 4b. Since the external terminal 4 is rectangular in plan view, the flat surface 4b is also rectangular. The flat surface 4b of the external terminal 4 is separated from the outer surface of the cover plate 2b. The flat surface 4 b of the external terminal 4 protrudes from the external gasket 3. The flat surface 4b of the external terminal 4 for positive electrode and the flat surface 4b of the external terminal 4 for negative electrode are at the same height level with respect to the outer surface of the lid plate 2b.
  • the plurality of battery cells 1,... are arranged in parallel so as to be aligned in the short direction of the cover plate 2b.
  • ten battery cells 1 are arranged in parallel.
  • Adjacent battery cells 1 and 1 are arranged so that the polarities are opposite. Thereby, all the battery cells 1 are connected in series by connecting the adjacent external terminals 4 and 4, and one battery is comprised.
  • the external terminals 4 and 4 of the battery cells 1 and 1 arranged in the short direction of the cover plate 2 b are connected by a bus bar 5. More specifically, the external terminal 4 for the positive electrode of one of the adjacent battery cells 1, 1 and the external terminal for the negative electrode of the other battery cell 1 of the adjacent battery cells 1, 1. 4 is close. These external terminals 4 and 4 are connected to each other by a bus bar 5.
  • the external connection bus bar 5A is connected to the external terminal 4 at one end of the battery cells 1 connected in series and the external terminal 4 at the other end of the battery cells 1 connected in series. Yes.
  • the bus bar 5A is an external connection bus bar connected to another battery module, another device, a load, or a power source.
  • the bus bar 5 includes a main body portion 6 and a pair of connection portions 7 and 7 provided at both ends of the main body portion 6.
  • the connection portion 7 is a portion that is placed on the flat surface 4 b of the external terminal 4 and connected to the external terminal 4.
  • the main body 6 connects a pair of connecting portions 7 and 7.
  • the bus bar 5 is formed in a flat plate shape having a rectangular shape in plan view having a flat surface 5a and a facing surface 5b parallel to the flat surface 5a and facing the external terminal 4 on the opposite side of the flat surface 5a. Yes.
  • the bus bar 5 is formed of, for example, a plate material made of an aluminum metal material such as aluminum or an aluminum alloy.
  • the thin part 8 is formed in the connection part 7 by denting the opposite surface 5b (flat surface 5a) to the external terminal 4.
  • the thin portion 8 of the present embodiment is formed in a rectangular shape (square shape) in plan view. Moreover, this thin part 8 is dented substantially uniformly in the direction which cross
  • the inner side surface portion 8 a of the thin wall portion 8 is disposed so as to be orthogonal to the facing surface 5 b of the bus bar 5.
  • the bottom surface portion 8 b of the thin wall portion 8 is parallel to the facing surface 5 b of the bus bar 5.
  • the thin portion 8 is formed by coining a part of the connecting portion 7.
  • the thin portion 8 is not limited to a rectangular shape in plan view.
  • the thin portion 8 may have a circular shape (perfect circle shape, elliptical shape) or a polygonal shape.
  • the bottom surface portion 8b of the thin wall portion 8 is welded to the external terminal 4 in order to electrically and mechanically connect the external terminal 4 and the bus bar 5.
  • the plurality of battery cells 1,... are arranged in the same parallel state as when the battery module is completed on a conveyor (not shown) such as a belt conveyor.
  • the plurality of battery cells 1 arranged in a parallel state are transported by the transport device to an operation region of the welding device 20 (hereinafter referred to as a welding area).
  • the welding apparatus of this embodiment is a laser welding apparatus.
  • a bus bar automatic supply device (not shown) arranged adjacent to the welding device 20 receives the bus bar 5 by a holding body configured to hold the bus bar 5. .
  • the automatic bus bar supply device arranges the received bus bar 5 so as to straddle the external terminals 4, 4 of the adjacent battery cells 1, 1.
  • the welding head 21 that emits the laser light L moves above the thin portion 8 of the bus bar 5.
  • the welding head 21 emits the laser light L toward the bottom surface portion 8 b so that the optical axis of the laser light L is orthogonal to the bottom surface portion 8 b of the thin portion 8.
  • the laser beam L is irradiated so that the focal point is located on the bottom surface portion 8b.
  • the range (part) W to which the laser beam L is irradiated is the entire circumference of the closed path at a position spaced inward by a predetermined distance from the inner side surface portion 8 a of the thin portion 8. .
  • the range W in which the laser beam L is irradiated is the entire circumference of the rectangular path. More specifically, the range W to which the laser beam L is irradiated is similar to the outer edge of the thin portion 8 (the outline of the thin portion 8 formed by the inner side surface portion 8a). In addition, as shown in FIG. 8, the range W irradiated with the laser beam L may be a plurality of linear sides substantially parallel to one side of the path formed in a rectangular shape.
  • connection portion 7 of the bus bar 5 and the flat surface 4b of the external terminal 4 are welded.
  • welding apparatus 20 welds the connection part 7 of the bus bar 5 and the external terminal 4, whereby the bus bar 5 is electrically and mechanically connected to the external terminal 4 of the battery cell 1.
  • a plurality of battery cells 1,... Electrically connected via the bus bar 5 are accommodated in the housing 10 to complete a large capacity battery (battery module).
  • the flat surface 5a (specifically, the flat surface 5a opposite to the surface 5b facing the external terminal 4) is provided in the connection portion 7 of the external terminal 4 and the bus bar 5.
  • the thin portion 8 formed by the depression is welded.
  • the thin portion 8 is formed with high accuracy by coining. Therefore, the bottom surface portion 8 b of the thin portion 8 can be made flat with respect to the external terminal 7. The amount of heat for welding the thin portion 8 of the bus bar 5 and the external terminal 7 can be made uniform at the bottom surface portion 8 b of the thin portion 8.
  • the power storage device and the welding method according to the present invention are not limited to the above-described embodiments, and various changes can be made without departing from the scope of the present invention. Moreover, it is needless to say that configurations, methods, and the like according to various modifications described below may be arbitrarily selected and employed in the configurations, methods, and the like according to the above-described embodiments.
  • the thin-walled portion 8 of the above embodiment a portion overlapping the shaft portion 4a in the axial direction of the shaft portion 4a of the external terminal 4 is welded to the external terminal 4.
  • the thin-walled portion 8 of the external terminal 4 intersects with the axis of the shaft portion 4a from the shaft portion 4a. It may be welded to a place distant from each other.
  • the thin-walled portion 8 overlaps the portion of the external terminal 4 that is separated from the shaft portion 4 a in the direction intersecting the axis of the shaft portion 4 a in the axial direction. May be arranged. According to such a configuration, since the thermal damage of the shaft portion 4a can be more reliably prevented, the thermal damage of the electrode body that is the internal structure can be more reliably prevented.
  • the shaft portion 4a is made of, for example, copper
  • the plate-like body 4c is made of, for example, an aluminum-based metal material such as aluminum or an aluminum alloy.
  • the plurality of battery cells 1,... Of the above embodiment are arranged in parallel so as to be arranged in the short direction of the cover plate 2b, it is not limited to this.
  • the plurality of battery cells 1,... May be arranged in parallel so as to be aligned in the longitudinal direction of the cover plate 2b.
  • the positive external terminal 4 disposed at one end in the longitudinal direction of the cover plate 2b and the negative external terminal 4 disposed at the other end in the longitudinal direction of the cover plate 2b are the positive electrodes.
  • the welding head 21 of the welding apparatus 20 has moved (was shaken), but is not limited to this.
  • the mirror may change the optical axis of the laser beam L emitted from the welding head 21, and the workpiece (storage element) side may move relative to the welding head 21 that is fixed.
  • the range (part) W to which the laser beam L is irradiated is a position on the bottom surface portion 8b that is spaced a predetermined distance inward from the boundary that contacts the inner side surface portion 8a of the thin portion 8.
  • the range W in which the laser beam L is irradiated may be the edge of the bottom surface portion 8b in contact with the inner side surface portion 8a of the thin portion 8.
  • the inner side surface portion 8a of the thin portion 8 is inclined in a direction away from the center of the thin portion 8 from the facing surface 5b of the bus bar 5 to the external terminal 4 toward the flat surface 5a opposite to the facing surface. It is preferable.
  • the external terminal 4 and the bus bar 5 are made of an aluminum-based metal material, but the present invention is not limited to this.
  • the external terminal 4 and the bus bar 5 may be a metal material such as copper, SUS, or steel. That is, the external terminals 4 and the bus bars 5 may be metal materials that are conductive and can be welded to each other.
  • the bus bar 5 is welded to the external terminal 4 of the battery cell 1 by laser welding, but the present invention is not limited to this.
  • the present invention can also be applied to various secondary batteries, other primary batteries, and capacitors such as electric double layer capacitors.
  • the type and size (capacity) of the battery are arbitrary.
  • SYMBOLS 1 Battery cell (electric storage element), 2 ... Case, 2a ... Case main body, 2b ... Cover body, 3 ... External gasket, 4 ... External terminal, 4a ... Shaft part, 4b ... Flat surface, 4c ... Plate-shaped body, 5 ... bus bar, 5A ... (for external connection) bus bar, 5a ... flat surface, 5b ... opposing surface, 6 ... main body part, 7 ... connection part, 8 ... thin wall part, 8a ... inner side face part, 8b ... bottom face part, 10 ... Housing, 20 ... welding device, 21 ... welding head, L ... laser beam

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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)
  • Connection Of Batteries Or Terminals (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

La présente invention porte sur un dispositif de stockage d'électricité qui est pourvu : d'un élément de stockage d'électricité ayant une borne externe ; d'une barre omnibus ayant une partie de connexion et qui est connectée à la borne externe par la partie de connexion. La partie de connexion de la barre omnibus présente une section mince, formée par le côté inverse d'une surface opposée à la borne externe qui est renfoncée, la section mince et la borne externe étant soudées.
PCT/JP2013/071758 2012-09-27 2013-08-12 Dispositif de stockage d'électricité et procédé de soudage WO2014050329A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014538266A JP6286354B2 (ja) 2012-09-27 2013-08-12 蓄電装置及び溶接方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012214063 2012-09-27
JP2012-214063 2012-09-27

Publications (1)

Publication Number Publication Date
WO2014050329A1 true WO2014050329A1 (fr) 2014-04-03

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KR20160127559A (ko) * 2015-04-27 2016-11-04 주식회사 엘지화학 전극 리드 및 이를 포함하는 고용량 전지 모듈
WO2017130706A1 (fr) * 2016-01-29 2017-08-03 三洋電機株式会社 Dispositif d'alimentation électrique ainsi que véhicule mettant en œuvre celui-ci, barres omnibus, et procédé de connexion électrique d'éléments de batterie mettant en œuvre ces barres omnibus
JP2018055821A (ja) * 2016-09-26 2018-04-05 日産自動車株式会社 バスバと電極タブとの溶接方法
KR20180114511A (ko) 2017-04-10 2018-10-18 도요타 지도샤（주） 조전지
CN111052451A (zh) * 2017-12-19 2020-04-21 松下知识产权经营株式会社 汇流条以及电池层叠体
US11329336B2 (en) 2019-01-17 2022-05-10 Toyota Jidosha Kabushiki Kaisha Battery pack and battery pack manufacturing method

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JP2006114272A (ja) * 2004-10-13 2006-04-27 Nec Tokin Tochigi Ltd 電気部品およびその製造方法
JP2008270033A (ja) * 2007-04-23 2008-11-06 Toshiba Corp 電池モジュール及び電池モジュールの接続方法
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KR20160127559A (ko) * 2015-04-27 2016-11-04 주식회사 엘지화학 전극 리드 및 이를 포함하는 고용량 전지 모듈
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CN108604658A (zh) * 2016-01-29 2018-09-28 三洋电机株式会社 电源装置、使用了该电源装置的车辆、汇流条以及使用了该汇流条的电池单元的电连接方法
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CN108604658B (zh) * 2016-01-29 2021-08-24 三洋电机株式会社 电源装置、车辆、汇流条以及电池单元的电连接方法
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JP2018055821A (ja) * 2016-09-26 2018-04-05 日産自動車株式会社 バスバと電極タブとの溶接方法
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