WO2011040297A1 - Structure d'ensembles de dispositifs de stockage électrique, et structure d'unités de dispositifs de stockage électrique - Google Patents

Structure d'ensembles de dispositifs de stockage électrique, et structure d'unités de dispositifs de stockage électrique Download PDF

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Publication number
WO2011040297A1
WO2011040297A1 PCT/JP2010/066372 JP2010066372W WO2011040297A1 WO 2011040297 A1 WO2011040297 A1 WO 2011040297A1 JP 2010066372 W JP2010066372 W JP 2010066372W WO 2011040297 A1 WO2011040297 A1 WO 2011040297A1
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WIPO (PCT)
Prior art keywords
connection terminal
storage device
electrode connection
positive electrode
assembly structure
Prior art date
Application number
PCT/JP2010/066372
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English (en)
Japanese (ja)
Inventor
一博 阿部
康浩 玉谷
Original Assignee
株式会社 村田製作所
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Priority to JP2011534208A priority Critical patent/JPWO2011040297A1/ja
Publication of WO2011040297A1 publication Critical patent/WO2011040297A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
    • H01G11/12—Stacked hybrid or EDL capacitors
    • 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
    • H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/74—Terminals, e.g. extensions of current collectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/78—Cases; Housings; Encapsulations; Mountings
    • H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
    • 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
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
    • H01M50/276—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
    • H01M50/20—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
    • H01M50/291—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 characterised by their shape
    • 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
    • H01M50/293—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 characterised by the 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
    • H01M50/502—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
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides 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
    • 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
    • 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 generally relates to an electricity storage device unit structure and an electricity storage device assembly structure, and specifically, a lithium ion secondary battery, a lithium secondary battery, a polymer secondary battery, an organic radical battery, an all-solid battery, A power storage device assembly structure configured by electrically connecting a plurality of power storage devices that house a power storage element such as an electric double layer capacitor using a flexible outer packaging member, and the power storage device assembly structure
  • the present invention relates to individual power storage device unit structures.
  • an electricity storage device such as a lithium ion secondary battery
  • portable electronic devices such as portable telephones, notebook computers and digital cameras
  • power source for automobiles and other motors there are increasing demands for downsizing, weight reduction, and thickness reduction.
  • power supply applications it is required to increase the capacity of power storage devices in accordance with the diversification of usage modes and usage conditions of electronic devices and motors.
  • a power storage device assembly structure is known in which a plurality of power storage devices are connected in series and / or in parallel to form a unit.
  • Patent Document 1 A cell module which is an example of such a power storage device assembly structure is disclosed in Japanese Patent No. 3912201 (hereinafter referred to as Patent Document 1). As shown in FIG. 1, FIG. 2, and FIG. 4 of Patent Document 1, in this cell module, a plurality of both tab-type cells having a sheet-like positive electrode terminal 1b and a negative electrode terminal 1c are arranged in series, By connecting each terminal to the substantially plate-like bus bars 2A and 2B respectively arranged in the terminal extending direction, one cell unit is configured. A plurality of the cell units are stacked and disposed so that the bus bars 2A and 2B having different polarities face each other, thereby forming a cell module.
  • the cell module passes through through holes formed in the bus bars 2A and 2B of each cell unit and penetrating in the stacking direction of the cell units and through holes of the plurality of bus bars 2A and 2B arranged in the stacking direction.
  • Rods 3A, 3B, and 3C as positioning members for positioning 2B at a predetermined position with respect to a direction orthogonal to the stacking direction.
  • the positioning member includes a rod 3A as a conductive columnar member that electrically connects bus bars 2A and 2B set at the same potential adjacent in the stacking direction, and bus bars set at different potentials adjacent in the stacking direction. It is formed by alternately connecting rods 3B and 3C as insulating columnar members that are electrically insulated in the stacking direction.
  • the plurality of cell units are connected in series by a rod 3A as a conductive columnar member. In the cell module disclosed in Patent Document 1, the bus bars 2A and 2B of each cell unit are fixed to the rod 3A by welding.
  • JP 2006-19075 A discloses an assembled battery in which flat batteries are stacked in the thickness direction as an example of a power storage device assembly structure.
  • a flat battery an electrode tab drawn out in the length direction from the main body of the flat battery is extended in a width direction intersecting the length direction and is bent from a fold line along the length direction.
  • a bent joint that can be folded in the thickness direction of the battery and is joined to an electrode tab of an adjacent flat battery is provided.
  • flat batteries that are adjacent in the stacking direction are electrically connected to each other by joining their bent joints. Note that the bent joints are joined by ultrasonic welding.
  • the rod 3A as a conductive columnar member is used to electrically connect the substantially plate-shaped bus bars 2A and 2B of each cell unit. ing.
  • the bus bars 2A and 2B are fixed to the rod 3A by welding. Thereby, the substantially plate-like bus bar 2A and the bus bar 2B of each cell unit are electrically connected via the columnar rod 3A. For this reason, the electrical contact resistance between the connected cell units becomes high. Therefore, there is a problem that current collection resistance is large in the cell module as an assembled battery.
  • an object of the present invention is to provide a power storage device assembly structure capable of reducing current collection resistance and easily connecting power storage devices, and each power storage constituting the power storage device assembly structure.
  • a device unit structure is provided.
  • An electrical storage device assembly structure is an electrical storage device assembly structure configured by electrically connecting a plurality of electrical storage devices, and includes a plurality of electrical storage device unit structures and a plurality of electrical storage device unit structures And a connecting member for electrically connecting the body.
  • a power storage device unit structure includes a flexible outer packaging member that houses a power storage element, a positive electrode connection terminal and a negative electrode connection terminal that are electrically connected to the power storage element and led out from the outer packaging member, and a positive electrode connection And an external connection terminal electrically connected to each of the negative electrode connection terminal and the negative electrode connection terminal.
  • the external connection terminal has a connection plane extending in a direction intersecting with the main planes of the positive connection terminal and the negative connection terminal, and is connected to the connection member at the connection plane of the external connection terminal.
  • the external connection terminal of each electricity storage device unit structure intersects the main plane of the positive electrode connection terminal and the negative electrode connection terminal. It connects with a connection member in the connection plane extended in the direction to do. For this reason, the connection plane of the external connection terminal of each power storage device unit structure can be brought into contact with the connection member by surface contact. Thereby, the electrical contact resistance between the electrical storage devices connected can be reduced, ie, the electrical connectivity between electrical storage devices can be improved. Therefore, it is possible to reduce the current collection resistance in the power storage device assembly structure.
  • the external connection terminal and the connecting member of each electricity storage device unit structure can be fixed using a mechanical fixing means. For this reason, since the operation
  • the external connection terminal and the connecting member of each power storage device unit structure can be fixed using a mechanical fixing means, the connection is re-executed when the power storage device unit structure is connected by mistake. be able to.
  • the external connection terminal and the connecting member of each power storage device unit structure can be fixed using mechanical fixing means, only the required number of power storage device unit structures constituting the power storage device assembly structure can be obtained. You can connect them all at once.
  • the connecting member is preferably connected in series and / or in parallel by stacking a plurality of energy storage device unit structures in the thickness direction.
  • a plurality of power storage device unit structures can be connected at the shortest distance using a connecting member, and the current collection resistance can be reduced.
  • the connecting member connects the external connection terminals with a detachable fixing means.
  • the fixing means is preferably one type selected from the group consisting of bolts / nuts, screws and pins.
  • the external connection terminal has a connecting plane formed by bending a plate-like material.
  • the external connection terminal By forming the external connection terminal from the integral plate-like material in this way, it is possible to further reduce the electrical contact resistance between the connected electricity storage devices, that is, the electrical connectivity between the electricity storage devices. It can be improved further.
  • the external connection terminal has a larger thickness than the positive electrode connection terminal and the negative electrode connection terminal.
  • the rigidity can be improved as compared with the case where the relatively thin positive electrode connection terminals and the negative electrode connection terminals are directly connected to each other.
  • the external connection terminals have connection planes disposed on both sides of the positive electrode connection terminal and the negative electrode connection terminal.
  • each of the positive electrode connection terminal and the negative electrode connection terminal and the external connection terminal are electrically connected by laser welding.
  • each of the positive electrode connection terminal and the negative electrode connection terminal can be reliably connected to the external connection terminal.
  • the electricity storage device unit structure includes a container member that houses the outer packaging member, the positive electrode connection terminal, and the negative electrode connection terminal, and the external connection terminal is led out from the container member. Preferably it is.
  • the external connection terminal is supported for every electrical storage device unit structure. be able to.
  • the container member preferably includes a synthetic resin frame member and a metal lid member.
  • the heat dissipation of the electricity storage device unit structure can be improved.
  • the lid member includes an upper lid member and a lower lid member, and the upper lid member and the lower lid member engage with each other to cover at least a part of the frame member.
  • the container member has an insulating property
  • the outer packaging member includes an inner surface layer made of at least a thermoplastic resin, and a metal layer disposed on the outer side of the inner surface layer. It is preferable that the power storage element is sealed by thermally welding the layers. At this time, it is preferable that the positive electrode connection terminal and the negative electrode connection terminal are led out to the outside from the heat-welded inner surface layer.
  • Structuring in this way makes it possible to supplement the outer insulation of the electricity storage element with the container member with respect to the outer packaging member.
  • the positive electrode connecting terminal and the negative electrode connecting terminal are led out from the outer peripheral edge of the outer packaging member in a direction facing each other.
  • the power storage device unit structure includes a relay member that electrically connects the positive electrode connection terminal and the external connection terminal.
  • a curved portion is formed at the connection portion between the positive electrode connection terminal and the relay member.
  • This configuration can relieve stress when undesired external stress, heat shock, or the like is applied to the connection portion.
  • an ultrasonic weld is formed in the curved portion.
  • a power storage device unit structure includes a flexible outer packaging member that houses a power storage element, and a positive electrode connection terminal and a negative electrode connection that are electrically connected to the power storage element and led out from the outer packaging member.
  • the external connection terminal has a connection plane extending in a direction intersecting with the main plane of the positive electrode connection terminal and the negative electrode connection terminal and electrically connected to the external terminal.
  • the electricity storage device can be easily electrically connected to the external terminal by the external connection terminal.
  • the electricity storage device assembly structure of the present invention it is possible to reduce the current collecting resistance and easily connect the electricity storage devices. Moreover, according to the electricity storage device unit structure of the present invention, the electricity storage device can be easily electrically connected to the external terminal by the external connection terminal.
  • FIG. 4 is a partial cross-sectional view illustrating a connection state between an outer packaging member, a positive electrode connection terminal, a negative electrode connection terminal, and an external connection terminal in the unit battery illustrated in FIG. 3.
  • a battery pack 1 which is one embodiment of the electricity storage device assembly structure of the present invention is a unit battery (laminated secondary battery) which is one embodiment of the electricity storage device unit structure.
  • a unit battery laminated secondary battery
  • eight 10 are stacked and electrically connected to each other.
  • four unit cells 10 located in the upper stage are connected in series by the connecting member 20 (four straight lines) to form a set of battery groups, and the four unit batteries 10 located in the lower stage
  • Another set of battery groups is configured by being connected in series by the connecting member 20 (4 series).
  • the battery pack 1 as an assembled battery is comprised by these two sets of battery groups being connected in parallel by the connection member 20 (2 parallel).
  • the unit batteries 10 positioned at the uppermost and lowermost stages of the battery pack 1 are connected to the external positive terminal, and the two unit batteries 10 positioned at the center of the battery pack 1 are connected to the external negative terminal.
  • the eight unit batteries 10 stacked are fixed as the unit battery connecting member 30 using, for example, bolts 31 and nuts 32. In this way, by stacking the eight unit batteries 10 in the thickness direction of the unit battery 10, the battery pack 1 including the unit batteries 10 connected in series and parallel in four series and two parallels is completed.
  • each connection member 20 is connected to each external connection terminal 16.
  • Fixed to. Examples of the fastening member 21 that is a detachable fixing means include bolts (nuts), screws, pins, and the like.
  • the unit battery 10 includes a container member 17.
  • the container member 17 includes a frame member 171 made of synthetic resin and a lid member 172 made of metal. As will be described later, the container member 17 accommodates an outer packaging member, a positive electrode connection terminal, and a negative electrode connection terminal. External connection terminals 16 are led out from both ends of the container member 17 to the outside.
  • a flexible outer packaging member 12 is placed on a member in which a lower frame member 171b, a lower lid member 172b, and an external connection terminal 16 are integrated.
  • the outer packaging member 12 accommodates the battery element 11 as a power storage element.
  • a positive electrode connection terminal 13 (positive electrode tab) and a negative electrode connection terminal 14 (negative electrode tab) are electrically connected to the battery element 11 and led out from the outer packaging member 12.
  • a relay member 15 is electrically connected to the positive electrode connection terminal 13.
  • An upper frame member 171 a having an opening (space portion) 175 is placed on the outer packet member 12 configured as described above. Then, the upper lid member 172a is placed on the upper frame member 171a.
  • the frame member 171 (FIG.
  • the lid member 172 (FIG. 2) includes an upper frame member 171a and a lower frame member 171b.
  • the lid member 172 (FIG. 2) includes an upper lid member 172a and a lower lid member 172b.
  • the upper lid member 172a and the lower lid member 172b are engaged with each other, and a rivet 179 (see FIG. 7) is formed in the through hole 177 formed in the side portion of the upper lid member 172a and the through hole 178 formed in the side portion of the lower lid member 172b. 2) is inserted.
  • the lid member 172 is fixed so as to cover a part of the frame member 171. Since the container member 17 (FIG. 2) configured in this manner includes the synthetic resin frame member 171, the container member 17 (FIG. 2) is insulative with respect to the outer packet member 12.
  • electrode terminal holding portions 173 are disposed at both ends of the lower frame member 171b made of synthetic resin.
  • a metal external connection terminal 16 is built in the electrode terminal holding portion 173.
  • the connection plane 161 of the external connection terminal 16 is led out to the outside of the electrode terminal holding part 173 and exposed, and the electrode terminal connection plane 162 is exposed in the recess of the electrode terminal holding part 173.
  • An opening (space part) 175 is formed at the center of the lower frame member 171b, and an outer member holding part 174 made of a frame-like part surrounding the opening 175 is formed.
  • a metal lower lid member 172b is integrated and fixed under the lower frame member 171b. Thereby, as shown in FIG.
  • the main plane of the lower lid member 172 b is exposed from the opening 175.
  • a through hole 176 is formed in the flat portion of the electrode terminal holding portion 173, and a through hole 176a is formed in the flat portion of the lower lid member 172b.
  • the unit battery 10 is fixed by inserting the bolt 31 (FIG. 1) into the through holes 176 and 176a and fastening with the nut 32.
  • a through hole 163 is formed in the connecting plane 161 of the external connection terminal 16.
  • the flexible outer packaging member 12 accommodates the battery element 11.
  • the positive electrode connection terminal 13 and the negative electrode connection terminal 14 are electrically connected to the battery element 11 and led out from the outer packaging member 12.
  • An external connection terminal 16 is electrically connected to each of the positive electrode connection terminal 13 and the negative electrode connection terminal 14.
  • a relay member 15 (joint tab) is provided so as to electrically connect between the positive electrode connection terminal 13 and the external connection terminal 16.
  • a curved portion 151 is formed at the connecting portion.
  • the external connection terminal 16 intersects with the main plane 131 of the positive electrode connection terminal 13 or the relay member 15 (direction orthogonal in this embodiment) and intersects with the main plane 141 of the negative electrode connection terminal 14.
  • the connecting plane 161 extends in the orthogonal direction.
  • the relay member 15 is connected to the electrode terminal connection plane 162 of the external connection terminal 16 on the positive electrode side, and the negative electrode connection terminal 14 is connected to the electrode terminal connection plane 162 of the external connection terminal 16 on the negative electrode side.
  • the unit battery 10 includes a battery element 11, an outer packaging member 12 that houses the battery element 11, a thin plate-like positive electrode connection terminal 13 and a negative electrode connection terminal 14 that are led out from the outer peripheral edge of the outer packaging member 12 to face each other.
  • the length dimension of the outer packaging member 12 is 160 mm
  • the width dimension is 80 mm
  • the thickness dimension is 5 mm.
  • the length dimension, the width dimension, and the thickness dimension of the outer packaging member 12 are not limited to the above dimensions.
  • the external connection terminal 16 is made of copper or a copper alloy and has a plate-like form of 1 mm thicker than the positive electrode connection terminal 13 and the negative electrode connection terminal 14 (thickness 0.2 mm). It is formed to be smaller than 12 dimensions in the width direction.
  • the external connection terminal 16 is electrically connected to the positive electrode connection terminal 13 and the negative electrode connection terminal 14 by laser welding at a substantially central portion thereof. Then, both end portions of the external connection terminal 16 are bent in a direction substantially orthogonal to the substantially central portion, thereby connecting each plane in a direction orthogonal to the main plane of the positive connection terminal 13 and the negative connection terminal 14. 161 is formed.
  • the connecting member 20 is made of copper or a copper alloy, has a plate shape similar to that of the external connection terminal 16, and is formed to have a length dimension capable of connecting adjacent external connection terminals 16. For example, when a plurality of unit cells 10 are connected in series, the external connection terminals 16 connected to the opposite poles of the two adjacent unit cells 10 are connected. On the other hand, when a plurality of unit cells 10 are connected in parallel, the external connection terminals 16 connected to the same pole of two or more adjacent unit cells 10 are connected.
  • the connecting plane 161 of the external connection terminal 16 and the connecting member 20 each have a through hole and are firmly connected by bolts and nuts.
  • the container member 17 includes a frame member 171 and a lid member 172.
  • the frame member 171 is made of synthetic resin and has a rectangular shape in plan view.
  • An outer packaging member holding part 174 to be placed and an opening part 175 at the center part are formed.
  • the electrode terminal holding portion 173 is provided with the external connection terminal 16, and the exposed substantially central portion of the external connection terminal 16 and the positive electrode connection terminal 13 and the negative electrode connection terminal 14 are laser-welded as described above.
  • the connection plane 161 of the external connection terminal 16 is provided so as to protrude from the electrode terminal holding portion 173 to the outside.
  • the unit battery connecting member 30 includes a bolt 31 and a nut 32, is formed in the flat portion of the electrode terminal holding portion 173, and is inserted into through holes 176 provided at the four corners of the lower frame member 171b, whereby a plurality of unit batteries are provided. 10 are connected in the stacking direction.
  • the lid member 172 is made of aluminum or an aluminum alloy, and has an upper lid member 172a and a lower lid member 172b each having a U-shaped cross section.
  • the rivets 179 are inserted into the through holes 177 and 178 on the side portions of the upper lid member 172a and the lower lid member 172b, and are caulked together.
  • the upper lid member 172a and the lower lid member 172b are fixed.
  • An insulating tape (not shown) is affixed to.
  • the aluminum upper lid member 172a and the lower lid member 172b also serve as a heat sink.
  • a gap may be provided without bringing the upper surface of the outer packet member 12 into contact with the upper lid member 172a.
  • the lower main surface of the outer packet member 12 and the lower lid member 172b are bonded with an adhesive.
  • the thickness of the electrode terminal holding portion 173 (FIG. 2) on which the positive electrode connection terminal 13 and the negative electrode connection terminal 14 are placed is larger than the thickness of the side portion of the lid member 172, the upper lid member 172 a of the adjacent unit battery 10.
  • a gap is formed between the lower lid member 172b and the lower lid member 172b.
  • a relay member 15 is connected to the positive electrode connection terminal 13 in order to improve electrical connectivity with the external connection terminal 16.
  • the relay member 15 is joined to the positive electrode connection terminal 13 by ultrasonic welding.
  • the relay member 15 is formed with a curved portion 151 at the ultrasonic welding portion.
  • stress relaxation is possible in the case of undesired external stress or heat shock.
  • the bending portion 151 is likely to be broken first when intense stress is applied, so that the battery element 11 can be prevented from being internally short-circuited.
  • one end portion of the relay member 15 is laser welded to the external connection terminal 16 fixed to the frame member 171, so that the shape of the curved portion 151 is normally stabilized, and therefore, the stress relaxation is excellent.
  • the positive electrode connection terminal 13 and the negative electrode connection terminal 14 may be led out from the outer peripheral edge of the outer packaging member 12 in the same direction.
  • only one end portion of the external connection terminal 16 is bent in a direction substantially orthogonal to each other, and a connecting plane is formed in a direction orthogonal to the main planes 131 and 141 of the positive connection terminal 13 and the negative connection terminal 14. 161 may be formed.
  • the material of the positive electrode connection terminal 13 is not limited to aluminum or an aluminum alloy, but may be a simple substance or an alloy such as nickel, iron, or stainless steel.
  • the thickness of the positive electrode connection terminal 13 may be about 0.1 to 1.0 mm.
  • the material of the negative electrode connection terminal 14 is not limited to copper or a copper alloy, but may be a simple substance or an alloy such as nickel, aluminum, iron, and stainless steel.
  • the thickness of the negative electrode connection terminal 14 may be about 0.1 to 1.0 mm.
  • the relay member 15 is not necessarily required, and may be provided as necessary. Further, the curved portion 151 of the relay member 15 is not necessarily required, and may be provided as necessary.
  • the material of the relay member 15 is copper or a copper alloy, but is not limited thereto, and a base material made of aluminum or an aluminum alloy with Ni plating may be used. In this case, Sn plating may be performed instead of Ni plating.
  • the bending portion 151 is not limited to the positive electrode side, and may be provided on the negative electrode side. The bending portion 151 may be provided on both the positive electrode side and the negative electrode side.
  • the material of the external connection terminal 16 is not limited to copper or a copper alloy, but may be a simple substance or an alloy such as nickel, aluminum, iron, and stainless steel. Ni plating or Sn plating may be applied as necessary.
  • the thickness of the external connection terminal 16 may be about 0.2 mm to 3 mm, and may be the same thickness as the positive electrode connection terminal 13 and the negative electrode connection terminal 14.
  • the external connection terminal 16 is electrically connected to the positive electrode connection terminal 13 and the negative electrode connection terminal 14 by laser welding, but may be connected by resistance welding or the like.
  • the material of the connecting member 20 is not limited to copper or copper alloy, but may be simple substance or alloy such as nickel, aluminum, iron, and stainless steel.
  • the connecting plane 161 of the external connection terminal 16 and the connecting member 20 may be connected not only by bolts and nuts but also by rivets, studs, screws, pins, or the like.
  • the container member 17 is composed of a synthetic resin frame member 171 and an aluminum lid member 172, but a synthetic resin lid member 172 may be used.
  • the frame member 171 and the lid member 172 may be made of synthetic resin and integrated.
  • Either one of the upper lid member 172a and the lower lid member 172b may be made of aluminum.
  • the material of the lid member 172 is not limited to aluminum or an aluminum alloy, and may be a simple substance or an alloy such as nickel, aluminum, iron, and stainless steel.
  • the shapes of the upper lid member 172a and the lower lid member 172b constituting the lid member 172 are not limited to the U-shaped cross section, and either one may be U-shaped in cross section, or each may be flat.
  • the frame member 171, the upper lid member 172a, and the lower lid member 172b may be formed so as to be engaged with each other.
  • the opening 175 at the center of the frame member 171 is not always necessary, and the center may also be covered with synthetic resin.
  • the gap between the upper lid member 172a and the lower lid member 172b of the adjacent unit cells 10 is not necessarily required.
  • the unit battery connecting member 30 is not always necessary.
  • the unit cells 10 may be connected by rivets, studs, screws, pins, etc. without being connected by the bolts 31 and the nuts 32.
  • the concave and convex portions are formed in the electrode terminal holding portion 173 or the outer packaging member holding portion 174 of the frame member 171, and the adjacent unit cells 10 are stacked, the concave portions of the electrode terminal holding portion 173 or the outer packaging member holding portion 174
  • the unit cells 10 may be connected in the stacking direction by fitting the protrusions to each other.
  • the number of series / parallel numbers of the unit batteries 10 in the battery pack 1 is arbitrarily set according to the use of the battery pack 1 and the voltage of the unit battery 10.
  • the stacking direction of the unit batteries 10 is in a direction orthogonal to the mounting surface of the battery pack 1, in other words, the direction in which the main plane of the unit battery 10 is parallel to the mounting surface of the battery pack 1.
  • a plurality of unit cells 10 are stacked vertically, and the stacking direction is parallel to the mounting surface of the battery pack 1, in other words, the main plane of the unit battery 10 is the mounting surface of the battery pack 1.
  • a plurality of unit cells 10 may be horizontally stacked (standing) in a direction orthogonal to the vertical direction.
  • the battery pack 1 is provided with a protection circuit as necessary in an assembled battery in which eight unit batteries 10 configured in a 4-by-2 configuration are stacked, and the total positive terminal and the total negative terminal of the assembled battery are externally provided. Used by connecting to a terminal.
  • the battery pack 1 is used as a power source for electric / electronic devices and motors that require a large current.
  • the battery pack 1 is used for HEV (hybrid vehicle), PHEV (plug-in hybrid vehicle), EV (electric vehicle), power storage, electric tool, electric assist bicycle, electric motorcycle, UPS (uninterruptible power supply). Power supply), AGV (automatic guided vehicle), construction equipment such as a forklift, engine starter, portable power supply, portable information terminal, and the like.
  • the external connection terminals 16 of the unit cells 10 are the main plane 131 of the positive electrode connection terminals 13 and the negative electrode connection terminals 14, It is connected to the connecting member 20 by a connecting plane 161 extending in a direction intersecting with 141.
  • the connecting plane 161 of the external connection terminal 16 of each unit battery 10 can be brought into contact with the connecting member 20 by surface contact.
  • the electrical contact resistance between the unit cells 10 to be connected can be reduced, that is, the electrical connectivity between the unit cells 10 can be improved. Therefore, the current collecting resistance can be reduced in the battery pack 1.
  • the external connection terminal 16 and the connecting member 20 of each unit battery 10 can be fixed using a mechanical fixing means. For this reason, since the operation
  • the connecting member 20 connects the plurality of unit cells 10 in the thickness direction to connect them in series and / or in parallel, thereby using the connecting member 20 and the plurality of unit cells 10 at the shortest distance. Can be connected, and the current collecting resistance can be reduced.
  • the connecting member 20 connects the external connection terminal 16 with the detachable fastening member 21, so that when the unit battery 10 is erroneously connected, the connection is easily performed again. be able to.
  • the defective unit battery 10 can be easily replaced.
  • the fastening member 21 is preferably a kind selected from the group consisting of bolts / nuts, screws and pins.
  • the external connection terminal 16 has a connection plane 161 formed by bending a plate-like material.
  • the electrical contact resistance between the unit cells 10 to be connected can be further reduced, that is, the electrical connection between the unit cells 10. Connectivity can be further improved.
  • the external connection terminal 16 has a larger thickness than the positive electrode connection terminal 13 and the negative electrode connection terminal 14, so that the relatively thin positive electrode connection terminals 13 are relatively thin with each other. Rigidity can be improved rather than connecting the connection terminals 14 directly.
  • the external connection terminal 16 has two connection planes 161 arranged on both sides of the positive electrode connection terminal 13 and the negative electrode connection terminal 14, thereby The contact area with the connecting member 20 can be further increased.
  • each of the positive electrode connection terminal 13 and the negative electrode connection terminal 14 and the external connection terminal 16 are electrically connected by laser welding, so that a relatively thick positive electrode connection terminal. Even when 13 and the negative electrode connection terminal 14 are used, each of the positive electrode connection terminal 13 and the negative electrode connection terminal 14 and the external connection terminal 16 can be reliably connected.
  • the unit battery 10 includes a container member 17 that houses the outer packaging member 12, the positive electrode connection terminal 13, and the negative electrode connection terminal 14, and the external connection terminal 16 is led out from the container member 17.
  • the container member 17 includes a frame member 171 made of synthetic resin and a lid member 172 made of metal.
  • the metal lid member 172 the heat dissipation of the unit battery 10 can be improved.
  • the lid member 172 includes an upper lid member 172a and a lower lid member 172b, and the upper lid member 172a and the lower lid member 172b are configured to cover at least a part of the frame member 171 by being engaged with each other.
  • the mechanical strength of the container member 17 can be improved, and the sealing performance can also be improved.
  • the container member 17 has an insulating property
  • the outer packaging member 12 includes at least an inner surface layer made of a thermoplastic resin and a metal layer disposed outside the inner surface layer
  • the power storage element is configured to be sealed by heat welding.
  • the insulation of the battery element 11 with respect to the outside is given to the container member 17 with respect to the outer packaging member 12. It can be complemented with.
  • the positive electrode connection terminal 13 and the negative electrode connection terminal 14 are led out from the outer peripheral edge of the outer packaging member 12 in a direction facing each other, so that the positive electrode connection terminal 13 and the negative electrode are connected in the same direction.
  • the connection terminal 14 is derived, the current collecting resistance can be reduced because the width of the terminal can be easily increased.
  • the heat dissipation is better when the positive electrode connection terminal 13 and the negative electrode connection terminal 14 are led out in the opposite direction. Since it is high, high input / output is possible and safety can be improved.
  • the unit battery 10 includes the relay member 15 that electrically connects the positive electrode connection terminal 13 and the external connection terminal 16, so that the positive electrode connection terminal 13 and the external connection terminal are connected.
  • the electrical connectivity with the terminal 16 can be improved.
  • the curved portion 151 is formed in the connection portion between the positive electrode connection terminal 13 and the relay member 15, so that stress can be relieved when undesired external stress or heat shock is applied to the connection portion. can do. Further, in this case, since the ultrasonic welding portion is formed on the bending portion 151, the bending portion 151 is likely to be broken first when an excessive stress is applied to the bending portion 151. Can be prevented.
  • the unit battery 10 includes a flexible outer packaging member 12 that houses the battery element 11, and a positive electrode that is electrically connected to the battery element 11 and led out from the outer packaging member 12.
  • a connection terminal 13 and a negative electrode connection terminal 14, and an external connection terminal 16 electrically connected to each of the positive electrode connection terminal 13 and the negative electrode connection terminal 14 are provided.
  • the unit battery 10 can be easily electrically connected to the external terminal by the external connection terminal 16.
  • a lithium ion secondary battery which is an example of a laminated secondary battery, encloses and seals a laminated body constituting the battery element 11, a laminated body, and a non-aqueous electrolyte (not shown).
  • a positive electrode connection terminal 13 (positive electrode tab) and a negative electrode connection terminal 14 which are connected to the laminated body via the outer packaging member 12 and the current collector of the laminated body and led out from the outer peripheral edge of the outer packaging member 12 to face each other. (Negative electrode tab).
  • the outer packaging member 12 is positioned on the inner surface side facing the laminate, and includes an inner surface layer made of a synthetic resin, an outer surface layer made of a synthetic resin positioned outside the lithium ion secondary battery, and an inner surface layer and an outer surface layer. It is formed of a single film composed of an intermediate layer made of a metal, that is, a laminate film having a three-layer structure.
  • the inner surface layer is made of polypropylene which is a heat-sealable thermoplastic resin and has a thickness of 30 to 120 ⁇ m.
  • the intermediate layer is made of an aluminum foil or an aluminum alloy foil, and has a thickness of 30 to 50 ⁇ m.
  • the outer surface layer is made of nylon (registered trademark) and has a thickness of 20 to 40 ⁇ m.
  • the outer packaging member 12 configured in this manner is a material that is easily deformed and has flexibility.
  • the laminate film may be provided with an adhesive layer such as urethane between the layers as necessary.
  • the lid member 172 serves as an outer surface layer.
  • the inner layer and the intermediate layer (metal layer) have a two-layer structure. You may comprise a laminate film.
  • the outer packaging member 12 is sealed by, for example, overlapping the edges of two laminated films and thermally welding (heat-sealing) the four sides. Note that one laminate film may be folded in half and heat-welded on three sides.
  • the positive electrode connecting terminal 13 and the negative electrode connecting terminal 14 have a rectangular shape with a relatively bendable thickness of 0.2 mm.
  • the positive electrode connecting terminal 13 is made of aluminum or an aluminum alloy and is used for negative electrode connection.
  • the terminal 14 is made of copper or a copper alloy.
  • the laminate accommodated in the outer packaging member 12 includes a plurality of strip-shaped positive electrodes, a plurality of strip-shaped negative electrodes, and a separator disposed so as to be interposed between the positive electrodes and the negative electrodes.
  • Each of the plurality of positive electrodes and each of the plurality of negative electrodes are alternately stacked with a separator interposed therebetween.
  • the separator a plurality of strip-shaped separators may be used, or one long separator may be used by folding into ninety-nine folds.
  • the electrode body may be a wound body in which a long positive electrode, a long negative electrode, and a long separator are wound in a flat shape.
  • the positive electrode is configured by forming a positive electrode mixture layer containing a positive electrode active material on both surfaces of the current collector, excluding the end on the side connected to the positive electrode connection terminal 13.
  • the negative electrode is configured by forming a negative electrode mixture layer containing a negative electrode active material on both surfaces of the current collector, except for the end portion on the side connected to the negative electrode connection terminal 14.
  • a positive electrode slurry obtained by kneading a positive electrode active material, a binder and, if necessary, a conductive additive in an organic solvent is uniformly applied on both surfaces of an aluminum foil current collector. After drying, the positive electrode mixture layer is produced on both sides of the current collector by pressing.
  • a negative electrode slurry obtained by kneading a negative electrode active material, a binder and, if necessary, a conductive additive in an organic solvent is uniformly applied on both sides of a current collector made of copper foil. After drying, the negative electrode mixture layer is produced on both sides of the current collector by pressing.
  • binder contained in the positive electrode mixture layer and the negative electrode mixture layer a known binder that is usually used in the positive electrode mixture and the negative electrode mixture of a lithium ion secondary battery can be used. Furthermore, well-known additives, such as a conductive support agent and an oxide, can be added to a positive mix layer and a negative mix layer.
  • a metal sulfide or oxide such as TiS 2 , MoS 2 , NbSe 2 , V 2 O 5 can be used as the positive electrode active material.
  • LiM x O 2 as a positive electrode active material of a lithium ion secondary battery (wherein M represents one or more transition metals, x is different depending on the charge / discharge state of the battery, and is usually 0.05 or more and 1.10 or less.
  • an olivine-based material such as LiFePO 4 may be used.
  • These lithium composite oxides can generate a high voltage and become a positive electrode active material having an excellent energy density.
  • a plurality of these positive electrode active materials may be used in combination.
  • carbon materials such as non-graphitizable carbon materials and graphite materials can be used.
  • carbon materials such as pyrolytic carbons, cokes, graphites, glassy carbon fibers, organic polymer compound fired bodies, carbon fibers, and activated carbon can be used.
  • the cokes include pitch coke, needle coke, and petroleum coke.
  • said organic polymer compound fired body means what carbonized by baking a phenol resin, furan resin, etc. at a suitable temperature.
  • materials that can be doped and dedoped with lithium include polymers such as polyacetylene and polypyrrole, Sn oxides such as SnO 2 , Sn and Si alloys such as Sn 5 Cu 6 and SiMg 2 It is also possible to use a ceramic oxide such as Li 4 Ti 5 O 12 (lithium titanate). In order to produce a negative electrode, a plurality of these negative electrode active materials may be used in combination.
  • the separator is not particularly limited, and conventionally known separators such as polyolefins such as polypropylene and polyethylene, and nonwoven fabrics such as cellulose, polyethylene terephthalate, and natural fiber pulp can be used.
  • the separator is not limited by its name, and a solid electrolyte or gel electrolyte having a function (role) as a separator may be used instead of the separator.
  • a separator containing an inorganic material such as alumina or zirconia may be used.
  • One separator may be interposed between the positive electrode and the negative electrode, or a plurality of separators may be interposed. The material of the plurality of separators may be the same or different.
  • the nonaqueous electrolytic solution is prepared by dissolving an electrolyte in a nonaqueous solvent.
  • the electrolyte for example, a solution obtained by dissolving LiPF 6 in a nonaqueous solvent at a concentration of 1.0 mol / L is used.
  • an electrolyte other than LiPF 6 lithium salts such as LiBF 4 , LiAsF 6 , LiClO 4 , LiCF 3 SO 3 , LiN (SO 2 CF 3 ) 2 , LiC (SO 2 CF 3 ) 3 , LiAlCl 4 , LiSiF 6 are used. Can be mentioned.
  • LiPF 6 or LiBF 4 is used as the electrolyte.
  • Such an electrolyte is preferably used by being dissolved in a non-aqueous solvent at a concentration of 0.1 mol / L to 3.0 mol / L, and is preferably dissolved at a concentration of 0.5 mol / L to 2.0 mol / L. More preferably, it is used.
  • the non-aqueous solvent for example, a mixture of propylene carbonate, ethylene carbonate and diethyl carbonate in a volume ratio of 5 to 20:20 to 30:60 to 70 is used.
  • non-aqueous solvents include: cyclic carbonates such as propylene carbonate and ethylene carbonate; chain carbonates such as diethyl carbonate and dimethyl carbonate; carboxylic acid esters such as methyl propionate and methyl butyrate; ⁇ -butyllactone, sulfolane, Ethers such as 2-methyltetrahydrofuran and dimethoxyethane can be used.
  • These non-aqueous solvents may be used alone or in combination of two or more. Among these, it is preferable from the point of oxidation stability to use carbonate ester as a non-aqueous solvent. Moreover, you may add various additives to a non-aqueous electrolyte as needed.
  • the electricity storage device assembly structure of the present invention it is possible to reduce the current collecting resistance and easily connect the electricity storage devices. Moreover, according to the electricity storage device unit structure of the present invention, the electricity storage device can be easily electrically connected to the external terminal by the external connection terminal. Therefore, the present invention uses a flexible outer packaging member for power storage elements such as a lithium ion secondary battery, a lithium secondary battery, a polymer secondary battery, an organic radical battery, an all-solid battery, and an electric double layer capacitor. This is useful for electrically connecting a plurality of power storage devices to be accommodated.
  • power storage elements such as a lithium ion secondary battery, a lithium secondary battery, a polymer secondary battery, an organic radical battery, an all-solid battery, and an electric double layer capacitor. This is useful for electrically connecting a plurality of power storage devices to be accommodated.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne une structure d'unités de dispositifs de stockage électrique comprenant un élément d'emballage externe flexible qui comporte un élément de stockage électrique, une borne de connexion à électrode positive et une borne de connexion à électrode négative qui sont connectées à l'élément de stockage électrique et mènent vers l'extérieur de l'élément d'emballage externe, et une borne de connexion externe connectée auxdites bornes ; l'invention concerne également une structure d'ensembles de dispositifs de stockage électrique réalisée en connectant une pluralité de structures d'unités de dispositifs de stockage électrique. Les structures d'ensembles de dispositifs de stockage électrique traditionnelles rencontrent des problèmes tels que la forte résistance de contact entre des structures d'unités de dispositifs de stockage électrique, une résistance de captage électrique accrue dans la structure d'ensembles, et un fonctionnement complexe lorsque les structures d'unités de dispositifs de stockage électrique sont connectées les unes aux autres. Afin de résoudre ces problèmes, l'invention concerne un bloc de batteries (1) comprenant une pluralité de batteries unitaires (10), et un élément de couplage (20) permettant de coupler électriquement la pluralité de batteries unitaires, une borne de connexion externe (16) possédant un plan de couplage qui s'étend dans la direction traversant les plans principaux de la borne de connexion à électrode positive et de la borne de connexion à électrode négative, et étant couplée à l'élément de couplage par le plan de couplage.
PCT/JP2010/066372 2009-10-02 2010-09-22 Structure d'ensembles de dispositifs de stockage électrique, et structure d'unités de dispositifs de stockage électrique WO2011040297A1 (fr)

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JP2009230670 2009-10-02

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EP2755257A4 (fr) * 2011-12-14 2015-10-07 Lg Chemical Ltd Ensemble module de batterie ayant une fiabilité améliorée et bloc-batterie de taille moyenne ou grande le comprenant
EP2854200A4 (fr) * 2012-07-23 2016-03-23 Lg Chemical Ltd Cellule de batterie rectangulaire dans laquelle est intégrée une cellule de batterie en forme de pochette
WO2017068708A1 (fr) * 2015-10-22 2017-04-27 日産自動車株式会社 Bloc-batterie, et procédé de fabrication de celui-ci
JP2017126531A (ja) * 2016-01-15 2017-07-20 株式会社東芝 組電池
EP3142168A4 (fr) * 2014-05-07 2017-08-02 AutoNetworks Technologies, Ltd. Module de stockage d'énergie
JP2020504427A (ja) * 2017-05-22 2020-02-06 エルジー・ケム・リミテッド バッテリーモジュール及びこれを含むバッテリーパック
JP2020177851A (ja) * 2019-04-22 2020-10-29 トヨタ自動車株式会社 二次電池モジュール
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FR2973948A1 (fr) * 2011-04-11 2012-10-12 Peugeot Citroen Automobiles Sa Dispositif modulaire de cadre conducteur de puissance pour batterie de vehicule automobile, procede de montage de ce dispositif et batterie de vehicule automobile comprenant un tel dispositif
US9735403B2 (en) 2011-12-14 2017-08-15 Lg Chem, Ltd. Battery module assembly of improved reliability and battery pack employed with the same
US10062879B2 (en) 2011-12-14 2018-08-28 Lg Chem, Ltd. Battery module assembly of improved reliability and battery pack employed with the same
US9768427B2 (en) 2011-12-14 2017-09-19 Lg Chem, Ltd. Battery module assembly of improved reliability and battery pack employed with the same
EP2755257A4 (fr) * 2011-12-14 2015-10-07 Lg Chemical Ltd Ensemble module de batterie ayant une fiabilité améliorée et bloc-batterie de taille moyenne ou grande le comprenant
EP2765632A4 (fr) * 2011-12-14 2015-10-28 Lg Chemical Ltd Ensemble module de batterie ayant une fiabilité améliorée et bloc-batterie de taille moyenne ou grande le comprenant
EP2854200A4 (fr) * 2012-07-23 2016-03-23 Lg Chemical Ltd Cellule de batterie rectangulaire dans laquelle est intégrée une cellule de batterie en forme de pochette
US9634297B2 (en) 2012-07-23 2017-04-25 Lg Chem, Ltd. Battery cell including pouch-type cell and transformed to prismatic shape
WO2014057755A1 (fr) * 2012-10-10 2014-04-17 株式会社オートネットワーク技術研究所 Module de stockage d'énergie
JP2014078365A (ja) * 2012-10-10 2014-05-01 Auto Network Gijutsu Kenkyusho:Kk 蓄電モジュール
US10181592B2 (en) 2014-05-07 2019-01-15 Autonetworks Technologies, Ltd. Electricity storage module
EP3142168A4 (fr) * 2014-05-07 2017-08-02 AutoNetworks Technologies, Ltd. Module de stockage d'énergie
CN108140761A (zh) * 2015-10-22 2018-06-08 日产自动车株式会社 组电池及其制造方法
JPWO2017068708A1 (ja) * 2015-10-22 2018-08-30 日産自動車株式会社 電池パックおよびその製造方法
WO2017068708A1 (fr) * 2015-10-22 2017-04-27 日産自動車株式会社 Bloc-batterie, et procédé de fabrication de celui-ci
US10622603B2 (en) 2015-10-22 2020-04-14 Envision Aesc Japan Ltd. Battery pack and method for producing same
CN108140761B (zh) * 2015-10-22 2020-08-04 远景Aesc 日本有限公司 组电池及其制造方法
JP2017126531A (ja) * 2016-01-15 2017-07-20 株式会社東芝 組電池
JP2020504427A (ja) * 2017-05-22 2020-02-06 エルジー・ケム・リミテッド バッテリーモジュール及びこれを含むバッテリーパック
US11152671B2 (en) 2017-05-22 2021-10-19 Lg Chem, Ltd. Battery module and battery pack including the same
JP7041799B2 (ja) 2017-05-22 2022-03-25 エルジー エナジー ソリューション リミテッド バッテリーモジュール及びこれを含むバッテリーパック
JP2020177851A (ja) * 2019-04-22 2020-10-29 トヨタ自動車株式会社 二次電池モジュール
CN113363649A (zh) * 2021-06-02 2021-09-07 合肥国轩高科动力能源有限公司 固态电池簇和电池模组

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