WO2012147531A1 - 蓄電モジュール - Google Patents
蓄電モジュール Download PDFInfo
- Publication number
- WO2012147531A1 WO2012147531A1 PCT/JP2012/060045 JP2012060045W WO2012147531A1 WO 2012147531 A1 WO2012147531 A1 WO 2012147531A1 JP 2012060045 W JP2012060045 W JP 2012060045W WO 2012147531 A1 WO2012147531 A1 WO 2012147531A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power storage
- storage module
- conductive member
- bus bar
- pad
- Prior art date
Links
- 238000003860 storage Methods 0.000 title claims abstract description 61
- 230000005611 electricity Effects 0.000 title claims abstract description 7
- 210000000352 storage cell Anatomy 0.000 claims abstract description 73
- 238000001514 detection method Methods 0.000 claims abstract description 28
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 5
- 229910001416 lithium ion Inorganic materials 0.000 claims description 5
- 238000010030 laminating Methods 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 29
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 239000000463 material Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052759 nickel Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003026 Acene Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
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- 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
- H01G11/08—Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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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
- H01G11/74—Terminals, e.g. extensions of current collectors
- H01G11/76—Terminals, e.g. extensions of current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
-
- 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
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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
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/02—Mountings
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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
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
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- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/02—Mountings
- H01G2/06—Mountings specially adapted for mounting on a printed-circuit support
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- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
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- 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
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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- 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
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
-
- 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
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- H—ELECTRICITY
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- 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
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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
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/51—Connection only in series
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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
- H01M50/543—Terminals
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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
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1438—Back panels or connecting means therefor; Terminals; Coding means to avoid wrong insertion
- H05K7/1457—Power distribution arrangements
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- 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
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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
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
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- 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
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- 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
- Y02E60/13—Energy storage using capacitors
Definitions
- the present invention relates to a power storage module.
- the output voltage of the plurality of battery cells may be different at the time of discharge due to a temperature difference between the plurality of battery cells. Therefore, the assembled battery is equipped with a detection unit that detects the output voltage of each battery cell.
- the detection unit is electrically connected to the electrode terminals of the plurality of battery cells, for example, via a wire harness.
- the wire harness when connecting the wire harness to the electrode terminals of a plurality of battery cells, for example, the wire harness must be connected to each battery cell, which may increase the work load. .
- the work load it is necessary to increase the number of stacked battery cells, and it is assumed that the work load will be further increased.
- the wire part of the wire harness may be disconnected due to, for example, an external impact.
- covers the electric wire part of a wire harness peeled, and it might short-circuit when a conductive member contacts the exposed electric wire part. As a result, the reliability of the power storage module may be reduced.
- One of the objects according to some aspects of the present invention is to provide a power storage module in which electrical connection between the electrode terminal of the power storage cell and the detection unit is simple and has high reliability.
- the present invention has been made to solve at least a part of the above-described problems, and can be realized as the following aspects or application examples.
- One aspect of the power storage module according to the present invention is: A power storage module in which a plurality of power storage cells having electrode terminals are stacked, A bus bar for electrically connecting a plurality of the electrode terminals; A conductive member fixed to the bus bar; A detection unit for detecting a voltage of the plurality of power storage cells; A wiring part electrically connected to the detection part, and a wiring board on which a pad part connected to the wiring part is formed; Including The conductive member is in contact with the pad portion.
- the term “electrically connected” is used, for example, as another specific member (hereinafter “electrically connected” to “specific member (hereinafter referred to as“ A member ”)”. B member ”))” and the like.
- a member specifically member
- B member specifically member
- the term “electrically connected” is used as a case where the case where the terminals are electrically connected to each other is included.
- the conductive member may be an elastic member.
- the conductive member is A first portion connected to the bus bar; A second portion supported by the first portion and in contact with the pad portion; Have The second portion may have a tapered shape whose width increases as the first portion is approached.
- the bus bar may have a plurality of the electrode terminals connected in series.
- the wiring board may extend in the stacking direction of the plurality of power storage cells.
- the storage cell may be a lithium ion capacitor.
- the conductive member fixed to the bus bar is in contact with the pad portion formed on the wiring board.
- the pad part is electrically connected to the detection part via a wiring part formed on the wiring board.
- a detection part can be electrically connected with the electrode terminal of an electrical storage cell.
- the electrode terminal and the detection unit can be easily electrically connected without using a wire harness.
- the wire harness may be disconnected or the insulating portion covering the wire may be peeled off.
- the wire harness is not used. Therefore, it is possible to avoid such problems and to have high reliability.
- FIG. 1 is a perspective view schematically showing a power storage module according to the present embodiment.
- FIG. 2 is an exploded perspective view schematically showing the power storage module according to the present embodiment.
- FIG. 3 is an exploded perspective view schematically showing a part of the power storage module according to the present embodiment.
- FIG. 4 is a diagram schematically illustrating a part of the power storage module according to the present embodiment.
- FIG. 5 is an exploded perspective view schematically showing a part of the power storage module according to the present embodiment.
- FIG. 6 is a perspective view schematically showing a part of the power storage module according to the present embodiment.
- FIG. 7 is a perspective view schematically showing a part of the power storage module according to the present embodiment.
- FIG. 1 is a perspective view schematically showing a power storage module according to the present embodiment.
- FIG. 2 is an exploded perspective view schematically showing the power storage module according to the present embodiment.
- FIG. 3 is an exploded perspective view schematically showing a part of the power storage module according
- FIG. 8A is a cross-sectional view schematically showing a part of the power storage module according to the present embodiment.
- FIG. 8B is a cross-sectional view schematically showing a part of the power storage module according to the present embodiment.
- FIG. 9A is a cross-sectional view schematically showing a part of the power storage module according to the present embodiment.
- FIG. 9B is a cross-sectional view schematically showing a part of the power storage module according to the present embodiment.
- FIG. 10 is a diagram schematically illustrating a part of the power storage module according to the present embodiment.
- FIG. 11 is a cross-sectional view schematically showing a part of the power storage module according to the present embodiment.
- FIG. 12 is a diagram schematically illustrating a part of the power storage module according to the present embodiment.
- FIG. 13 is an exploded perspective view schematically showing a part of the power storage module according to the present embodiment.
- FIG. 1 is a perspective view schematically showing a power storage module 100 according to the present embodiment.
- FIG. 2 is an exploded perspective view schematically showing the power storage module 100 according to the present embodiment.
- FIG. 3 is an exploded perspective view schematically showing a part of the power storage module 100 according to the present embodiment.
- FIG. 4 is a diagram schematically showing a part of the power storage module 100 according to the present embodiment, as viewed from the direction of the arrow IV in FIG.
- FIG. 5 is an exploded perspective view schematically showing a part of the power storage module 100 according to the present embodiment.
- the power storage module 100 includes a power storage cell 10, a bus bar 40, a conductive member 50, a wiring board 60, and a detection unit 70, as shown in FIGS. Furthermore, the power storage module 100 can include the separator 20, the detection unit housing members 74 and 76, the base member 80, the cell fixing member 81, and the module terminals 90 and 92.
- FIG. 3 illustrates a configuration corresponding to two power storage cells 10
- FIG. 4 illustrates a configuration corresponding to three power storage cells 10
- FIG. 5 illustrates two power storage cells 10 and a base member.
- a configuration corresponding to 80 is illustrated.
- the power storage module 100 can have a configuration in which a plurality of power storage cells 10 are stacked in the Z-axis direction with a separator 20 interposed therebetween.
- the number of power storage cells 10 is not particularly limited, and can be appropriately changed according to the use of the power storage module 100.
- Examples of the storage cell 10 include a lithium ion capacitor, a secondary battery, and an electric double layer capacitor.
- the storage cell 10 When the storage cell 10 is a lithium ion capacitor, the storage cell 10 can use, for example, activated carbon or a polyacene-based material (PAS) that is a heat-treated product of an aromatic condensation polymer as the positive electrode active material. Moreover, the electrical storage cell 10 can use graphite (graphite) and non-graphitizable carbon (hard carbon) as a negative electrode active material, for example. The potential of the negative electrode can be lowered by doping lithium ions into the negative electrode (also referred to as “pre-doping”). Thereby, an energy density can be enlarged.
- activated carbon or a polyacene-based material (PAS) that is a heat-treated product of an aromatic condensation polymer
- PES polyacene-based material
- the electrical storage cell 10 can use graphite (graphite) and non-graphitizable carbon (hard carbon) as a negative electrode active material, for example.
- the potential of the negative electrode can be lowered by doping lithium
- the electrical storage cell 10 can have the exterior body 12 and the electrode terminal 16 (the positive electrode terminal 16a, the negative electrode terminal 16b), as shown in FIG.
- the outer package 12 contains a positive electrode, a negative electrode, and an electrolytic solution, although not shown.
- the shape of the outer package 12 is not particularly limited as long as it can accommodate the positive electrode, the negative electrode, and the electrolytic solution.
- the exterior body 12 includes an exterior can 13 and a sealing plate 14.
- the outer can 13 has a thickness (a length in the Z-axis direction) smaller than a horizontal width (a length in the Y-axis direction) and a vertical width (a length in the X-axis direction), and is a substantially box chamfered at four corners Can have a mold shape.
- the planar shape (the shape seen from the Z-axis direction) of the outer can 13 is, for example, a rectangle having a long side along the Y-axis direction and a short side along the X-axis direction.
- Examples of the material of the outer can 13 include aluminum, stainless steel, and iron.
- the outer can 13 may be cylindrical.
- the sealing plate 14 can seal the opening of the outer can 13. Thereby, a positive electrode, a negative electrode, and electrolyte solution can be sealed in the exterior body 12.
- FIG. The shape of the sealing plate 14 is not particularly limited as long as the opening of the outer can 13 can be sealed. Examples of the material of the sealing plate 14 include aluminum, stainless steel, and iron.
- the positive electrode and the negative electrode housed in the outer package 12 are formed by stacking a sheet-like positive electrode and a negative electrode through a separator to form a laminated sheet, and winding the laminated sheet. It may be a mold, or a laminate type in which a plurality of sheet-like positive and negative electrodes are stacked with a separator interposed therebetween.
- the positive electrode terminal 16a is provided on the sealing plate 14 as shown in FIG.
- the shape of the positive electrode terminal 16a is not particularly limited, but is a bolt shape in the illustrated example.
- An example of the material of the positive electrode terminal 16a is aluminum.
- the positive electrode terminal 16 a is electrically connected to the positive electrode in the exterior body 12.
- the negative electrode terminal 16 b is provided on the sealing plate 14.
- the shape of the negative electrode terminal 16b is not particularly limited, but is a bolt shape in the illustrated example. Examples of the material of the negative electrode terminal 16b include copper and nickel.
- the negative electrode terminal 16 b is electrically connected to the negative electrode in the exterior body 12.
- the negative electrode terminal 16b of the other power storage cell 10b is located in the Z-axis direction (stacking direction of the power storage cells 10) of the positive electrode terminal 16a of one power storage cell 10a. Thereby, the some electrical storage cell 10 can be connected in series easily.
- the sealing plate 14 is provided with a safety valve 18.
- the safety valve 18 is disposed between the positive terminal 16a and the negative terminal 16b.
- the safety valve 18 is arranged in the center of the sealing plate 14.
- the safety valve 18 is opened when the pressure in the exterior body 12 rises to a predetermined value or more, and can release the gas in the exterior body 12. By opening the safety valve 18, it is possible to suppress an increase in pressure in the exterior body 12.
- the separator 20 is provided between the adjacent electrical storage cells 10 as shown in FIG.
- the material of the separator 20 is, for example, a resin such as plastic. Separator 20 can insulate adjacent electrical storage cells 10 electrically and thermally.
- the separator 20 can have a cell support portion 22 that supports the storage cell 10 and a side wall portion 30 provided around the cell support portion 22.
- the planar shape of the cell support portion 22 is, for example, a rectangle having a long side along the Y-axis direction and a short side along the X-axis direction.
- the cross-sectional shape (the shape of the YZ plane) of the cell support portion 22 is a concavo-convex shape having a convex portion 24 and a concave portion 26.
- the convex portion 24 can be in contact with the exterior body 12.
- the cell support portion 22 can support the storage cell 10 at the convex portion 24.
- the recess 26 extends along the X-axis direction.
- the recesses 26 are arranged at equal intervals in the Y-axis direction.
- the number of convex portions 24 and concave portions 26 is not particularly limited.
- the convex portion 24 and the concave portion 26 are in an integrated relationship. That is, the convex part 24 which contact
- the side wall part 30 is provided around the cell support part 22.
- the side wall portion 30 extends in the Z-axis direction from the cell support portion 22.
- the side wall part 30 can include a first side wall part 31, a second side wall part 32, a third side wall part 33, and a fourth side wall part 34.
- 1st side wall part 31 is provided along the long side direction (Y-axis direction) of the support part 22, for example.
- the first side wall 31 is formed with an opening 35 in which the terminals 16a and 16b are disposed.
- the terminals 16 a and 16 b can protrude through the opening 35 to the outside of the separator 20.
- a protrusion 28 is further arranged in the opening 35.
- the protrusion 28 protrudes in the extending direction (+ X direction) of the terminals 16a and 16b from, for example, the rectangular cell support 22 in a plan view.
- the protruding portion 28 may be formed integrally with the cell support portion 22.
- Protruding portion 28 is located between terminals 16a and 16b of one storage cell 10a and terminals 16a and 16b of the other storage cell 10b among adjacent storage cells 10.
- the terminals 16a and 16b of one storage cell 10a and the terminals 16a and 16b of the other storage cell 10b are short-circuited. Can be prevented. Furthermore, since it is not necessary to increase the distance between adjacent storage cells in order to ensure insulation, the distance between adjacent storage cells 10 can be reduced. Therefore, the power storage module 100 can be made compact.
- the slit part 36 is formed in the 1st side wall part 31 along the lamination direction (Z-axis direction) of the electrical storage cell 10, for example.
- the wiring board 60 can be inserted into the slit portion 36. As shown in FIG. 2, the wiring board 60 can be moved in the Z-axis direction along the slit portion 36 to fix the wiring board 60 as shown in FIG.
- the first side wall portion 31 is formed with a notch portion 37.
- the notch 37 is formed at a position corresponding to the safety valve 18 of the storage cell 10. When the gas is released from the safety valve 18, the gas can be discharged to the outside through the notch 37.
- the 2nd side wall part 32 is provided along the long side direction (Y-axis direction) of the cell support part 22, for example.
- the second side wall portion 32 may be disposed to face the first side wall portion 31.
- a through hole 38 is formed in the first sidewall portion 31 and the second sidewall portion 32. More specifically, the through hole 38 is formed on the extension of the recess 26.
- the through hole 38 penetrates the side walls 31 and 32 in the X-axis direction.
- the through hole 38 formed in the first side wall portion 31 and the through hole 38 formed in the second side wall portion 32 may be arranged to face each other.
- the shape and number of the through holes 38 are not particularly limited.
- the through hole 38 and the recess 26 can function as a vent hole, and can improve the heat dissipation of the storage cell 10.
- the power storage module 100 may include a cooling fan for blowing air in the air hole formed by the through hole 38 and the recess 26. Further, a heat insulating material may be disposed in the recess 26.
- 3rd side wall part 33 and 4th side wall part 34 are provided along the short side direction (X-axis direction) of the cell support part 22, for example.
- the third side wall 33 and the fourth side wall 34 are connected to the first side wall 31 and the second side wall 32.
- the third side wall part 33 and the fourth side wall part 34 may be arranged to face each other.
- FIG. 6 is a perspective view schematically showing the bus bar 40.
- the bus bar 40 electrically connects the plurality of terminals 16a and 16b. More specifically, the bus bar 40 connects a plurality of power storage cells 10 in series. That is, the bus bar 40 electrically connects the positive electrode terminal 16 a of one power storage cell 10 and the negative electrode terminal 16 b of the other power storage cell 10 among the adjacent power storage cells 10. Thereby, high output of the electrical storage module 100 can be achieved.
- the bus bar 40 may connect a plurality of power storage cells 10 in parallel.
- Examples of the material of the bus bar 40 include copper-based metals and aluminum-based metals.
- a copper-based metal can be suitably used because of its high conductivity. Further, contact resistance can be reduced by plating with a metal such as nickel or gold. Nickel-based metals are also effective as a measure against electrolytic corrosion.
- the material of the bus bar 40 may be iron or an alloy.
- the shape of the bus bar 40 is not particularly limited as long as the plurality of terminals 16a and 16b can be electrically connected. As shown in FIG. 6, the bus bar 40 can have a terminal connection portion 42 connected to the terminals 16 a and 16 b and a conductive member connection portion 46 connected to the conductive member 50.
- a first through hole 43 is formed in the terminal connection portion 42.
- the first through-hole 43 penetrates the terminal connection portion 42 in the X-axis direction.
- the first through holes 43 are formed at positions corresponding to the terminals 16a and 16b.
- the bus bar 40 can be fixed by arranging the bus bar 40 so as to pass the terminals 16a and 16b through the first through hole 43 and screwing the nut 19 into the terminals 16a and 16b (see FIG. 5).
- the shape of the 1st through-hole 43 will not be specifically limited if the terminals 16a and 16b can be penetrated, In the example of illustration, it is circular.
- a metal washer may be provided between the bus bar 40 and the nut 19. Thereby, the heat dissipation of the electrical storage cell 10 can be improved.
- a second through hole 44 is formed in the terminal connection portion 42.
- the second through hole 44 penetrates the terminal connection portion 42 in the X-axis direction.
- the second through hole 44 is formed between the two first through holes 43.
- the protruding portion 28 of the separator 20 can be disposed between the terminals 16 a and 16 b through the second through hole 44.
- the shape of the 2nd through-hole 44 will not be specifically limited if the protrusion part 28 can be passed.
- the terminal connection part 42 is divided into a positive terminal connection part 42a connected to the positive terminal 16a and a negative terminal connection part 42b connected to the negative terminal 16b by the second through hole 44. Can be done.
- the conductive member connection portion 46 is provided, for example, around the terminal connection portion 42 and orthogonal to the terminal connection portion 42. In the illustrated example, two conductive member connection portions 46 are provided, and the two conductive member connection portions 46 are disposed to face each other. For example, a third through hole 47 is formed in the conductive member connection portion 46. The third through-hole 47 penetrates the conductive member connecting portion 46 in the Y-axis direction. The bus bar 40 and the conductive member 50 are arranged so that the third through hole 47 and the through hole 54 (see FIGS. 5 and 7) of the conductive member 50 coincide with each other. It is possible to fix the conductive member 50 to the conductive member connecting portion 46 by passing it.
- the conductive member connecting portion 46 is electrically conductive.
- the member 50 may be fixed. For example, when the conductive member 50 has a spring property, it can be more reliably fixed.
- FIG. 7 is a perspective view schematically showing the conductive member 50.
- 8A and 8B are cross-sectional views taken along the line VIII-VIII in FIG. 7 schematically showing the conductive member 50 (for example, a cross-sectional view in the XY plane).
- 9A and 9B are cross-sectional views taken along the line IX-IX in FIG. 7 schematically showing the conductive member 50 (for example, a cross-sectional view in the XZ plane).
- FIGS. 8A and 9A illustrate a state where the conductive member 50 is not in contact with the pad portion 62
- FIGS. 8B and 9B illustrate a state where the conductive member 50 is in contact with the pad portion 62. Yes.
- the conductive member 50 is simplified in FIGS. 8A, 8B, 9A, and 9B.
- a simplified bus bar 40 is illustrated in FIGS. 8A and 8B.
- the conductive member 50 is fixed to the conductive member connecting portion 46 of the bus bar 40.
- the conductive member 50 has conductivity, and examples of the material thereof include copper-based metal and aluminum-based metal.
- a copper-based metal can be suitably used because of its high conductivity.
- contact resistance can be reduced by plating with a metal such as nickel or gold.
- Nickel-based metals are also effective as a measure against electrolytic corrosion.
- the conductive member 50 can include a first portion 51 and a second portion 57.
- the first portion 51 can include a fixed portion 52, a support portion 53, and a joint portion 56.
- the fixed portion 52 is connected to the outer periphery of the support portion 53.
- the fixing portion 52 can be disposed to face the conductive member connecting portion 46 of the bus bar 40.
- a through hole 54 for fixing to the bus bar 40 is formed in the fixing portion 52.
- the fixing part 52 can be fixed to the bus bar 40, whereby the first part 51 can be connected to the bus bar 40.
- a slit 55 is formed in the support portion 53.
- the elastic force of the conductive member 50 can be adjusted by the shape of the slit 55.
- the support portion 53 can support the second portion 57.
- the joint portion 56 is connected to the outer periphery of the support portion 53. Even when the slit 55 is formed by the joint portion 56, the support portion 53 can maintain its outer shape.
- the second portion 57 is supported by the first portion 51.
- the second portion 57 can contact a pad portion 62 (see FIG. 12 for details) formed on the wiring board 60.
- the second portion 57 can have a tapered shape whose width (length in the Z-axis direction) increases as the first portion 51 is approached. Therefore, after stacking a plurality of storage cells 10, when the wiring board 60 is moved in the Z-axis direction along the slit portion 36 of the separator 20 (see FIG. 2), the wiring board 60 can be smoothly moved. it can. For example, in a conductive member that does not have a tapered shape, when the wiring board is moved, the wiring board may be caught by the conductive member and may not be moved smoothly.
- the second portion 57 has a tapered shape that increases not only in the Z-axis direction but also in the Y-axis direction as it approaches the first portion 51. Also good.
- the support portion 53 can be bent by receiving a force in the ⁇ X direction when the second portion 57 comes into contact with the pad portion 62. Therefore, the support portion 53 can bias the second portion 57 toward the pad portion 62 (in the + X direction). That is, the conductive member 50 can be an elastic member. Thereby, the contact pressure between the conductive member 50 and the pad portion 62 can be increased, and the change in the contact resistance between the conductive member 50 and the pad portion 62 can be suppressed. Furthermore, a reliable electrical connection between the conductive member 50 and the pad portion 62 can be ensured.
- the shape of the conductive member 50 is not particularly limited as long as the second portion 57 (the portion in contact with the pad portion 62) can be biased toward the pad portion 62.
- the third portion 158 connecting the first portion 151 and the second portion 157 may be included.
- the second portion 157 can be disposed closer to the pad portion 62 than the first portion 151 and can be in contact with the pad portion 62. Further, although not shown, the second portion 157 may have one or more slits extending along the Y axis.
- FIG. 10 is a diagram schematically showing a conductive member 150 according to a modification.
- FIG. 11 is a cross-sectional view taken along the line XI-XI of FIG. 10 schematically showing a conductive member 150 according to a modification.
- the conductive member 50 is not limited to an elastic member, and may be a conductive seal, for example.
- the wiring board 60 can have a plate shape as shown in FIGS. 1 and 2.
- the wiring board 60 extends in the stacking direction (Z-axis direction) of the plurality of storage cells 10.
- Two wiring boards 60 can be provided and can cover the terminals 16 a and 16 b, the bus bar 40, and the conductive member 50. Thereby, it can suppress that terminal 16a, 16b etc. contacts an external member (not shown), for example, and short-circuits.
- FIG. 12 is a diagram schematically showing the facing surface 61 side facing the conductive member 50 of the wiring board 60. As shown in FIG. 12, a pad portion 62 and a wiring portion 64 are formed on the facing surface 61 of the wiring substrate 60.
- a plurality of pad portions 62 are formed corresponding to the number of conductive members 50.
- the plurality of pad portions 62 are electrically separated from each other.
- the plurality of pad portions 62 are arranged in the Z-axis direction while maintaining the same distance as the distance between the conductive members 50.
- the shape of the pad portion 62 is not particularly limited, but is circular in the illustrated example.
- the pad part 62 has electrical conductivity, and the material thereof is, for example, aluminum, stainless steel, copper, nickel plated or gold plated metal.
- the pad part 62 can be in contact with the conductive member 50.
- the wiring part 64 is connected to the pad part 62.
- a plurality of wiring portions 64 are formed corresponding to the number of pad portions 62.
- the plurality of wiring portions 64 are electrically separated from each other.
- the wiring part 64 has conductivity, and the material thereof is, for example, copper.
- the plurality of wiring parts 64 are electrically connected to the detection part 70 shown in FIG. 2 via, for example, a connector part 66 formed on the wiring board 60. Thereby, terminal 16a, 16b of the electrical storage cell 10 and the detection part 70 can be electrically connected.
- the wiring part 64 may be formed inside the wiring substrate 60 instead of the facing surface 61.
- the connector portion 66 is shown in a simplified manner in FIG.
- the detecting unit 70 is formed on, for example, a circuit board 71 as shown in FIG.
- the detection unit 70 is composed of, for example, an IC.
- a connector connection portion 72 connected to the connector portion 66 is formed on the circuit board 71, and the detection portion 70 and the connector connection portion 72 are electrically connected.
- the detection unit 70 can detect the output voltage of each of the plurality of power storage cells 10.
- the circuit board 71 is further provided with a control unit for determining whether or not the detected output voltage of the storage cell 10 is normal and recovering the output voltage when it is determined that the output voltage is not normal. It may be.
- the first detector housing member 74 supports the circuit board 71 on which the detector 70 is formed.
- the first detector housing member 74 is provided above the stacked power storage cells 10.
- the first detector housing member 74 can have a box shape.
- the circuit board 71 can be housed in the space formed by the detector housing members 74 and 76.
- the second detector housing member 76 is fixed by, for example, passing a screw 78 through the through-hole 77 and fastening to the first detector housing member 74.
- the material of the detection unit accommodating members 74 and 76 is, for example, a resin such as plastic.
- the base member 80 is provided below the stacked power storage cells 10.
- the base 80 can support the stacked power storage cells 10.
- the material of the base member 80 is, for example, a resin such as plastic.
- the cell fixing member 81 is provided on the side of the stacked power storage cells 10. More specifically, the cell fixing member 81 is provided on the side wall portions 33 and 34 of the separator 20.
- the material of the cell fixing member 81 is, for example, a metal such as aluminum, stainless steel, or iron, or a resin having high heat resistance, but is not particularly limited. It is.
- FIG. 13 is an exploded perspective view schematically showing the cell fixing member 81 and is a view seen from an angle different from those in FIGS. 1 and 2.
- the cell fixing member 81 can have a first fixing member 82 and a second fixing member 85, as shown in FIG.
- first fixing member 82 for example, a plurality of slits 83 are formed at equal intervals in the Z-axis direction.
- the interval between adjacent slits 83 may be the same as the thickness (length in the Z-axis direction) of one storage cell 10.
- the second fixing member 85 may have a protruding portion 86 that protrudes toward the first fixing member 82.
- the protrusion 86 can be inserted into any of the plurality of slits 83.
- the cell fixing member 81 can vary the length in the Z-axis direction depending on the position of the slit 83 into which the protruding portion 86 is inserted. That is, the cell fixing member 81 can vary the length in the Z-axis direction depending on the number of stacked storage cells 10.
- a through hole 84 is formed in the first fixing member 82, and the first fixing member 82 can be fixed to the base member 80 by passing a screw or the like (not shown) through the through hole 84.
- a through hole 88 is formed in the second fixing member 85, and the second fixing member 85 is fixed to the first detection unit housing member 74 by passing a screw 89 (see FIG. 2) through the through hole 88. be able to.
- a through hole 98 is formed in the first fixing member 82
- a through hole 99 is formed in the second fixing member 85
- screws or the like are formed in the through holes 98, 99.
- the first fixing member 82 and the second fixing member 85 can be fixed to each other.
- the positive electrode module terminal 90 is electrically connected to, for example, the positive electrode terminal 16 a of the uppermost storage cell 10 among the stacked storage cells 10.
- the material of the positive electrode module terminal 90 include copper, aluminum, and metals obtained by performing nickel plating or gold plating on these.
- the positive module terminal 90 can be a positive electrode as the power storage module 100.
- the module terminal 92 for negative electrode is electrically connected with the negative electrode terminal 16b arrange
- Examples of the material of the negative electrode module terminal 92 include copper, aluminum, and metals obtained by performing nickel plating or gold plating on these.
- the negative electrode module terminal 92 can be a negative electrode as the power storage module 100.
- the module terminal disposed above is the positive module terminal 90 and the module terminal disposed below is the negative module terminal 92.
- the module terminal disposed below is the positive module. It is good also as a terminal and it is good also considering the module terminal arrange
- the power storage module 100 is applied to, for example, in-vehicle applications such as hybrid cars, electric vehicles, and AGVs (A utomatic Guided Vehicle), stationary applications such as X-rays, household power supplies, and wind power generators. be able to.
- in-vehicle applications such as hybrid cars, electric vehicles, and AGVs (A utomatic Guided Vehicle)
- stationary applications such as X-rays, household power supplies, and wind power generators. be able to.
- the power storage module 100 has the following features, for example.
- the conductive member 50 fixed to the bus bar 40 is in contact with the pad portion 62 formed on the wiring board 60.
- the pad unit 62 is electrically connected to the detection unit 70 via a wiring unit 64 formed on the wiring board 60.
- the detection part 70 can be electrically connected with the electrode terminal 16 (16a, 16b) of the electrical storage cell 10.
- FIG. thus, in the electrical storage module 100, the electrode terminal 16 and the detection part 70 can be electrically connected easily, without using a wire harness. More specifically, by moving the wiring board 60 in the stacking direction (Z-axis direction) of the storage cells 10 along the slit portion 36, the plurality of electrode terminals 16 are brought into contact with the pad portion 62 at once. Can do.
- the wire harness may be disconnected or the insulating portion covering the wire may be peeled off.
- the power storage module 100 does not use a wire harness, such a problem is caused. It can be avoided and can have high reliability.
- the wire harness requires a space for routing, but the power storage module 100 does not use the wire harness, so that the size can be reduced accordingly. Therefore, in the power storage module 100, the energy density can be improved.
- the conductive member 50 can be an elastic member. Therefore, the contact pressure between the conductive member 50 and the pad portion 62 can be increased, and the contact resistance between the conductive member 50 and the pad portion 62 can be suppressed from changing. Furthermore, a reliable electrical connection between the conductive member 50 and the pad portion 62 can be ensured.
- the detection unit 70 needs to detect the output voltage of the storage cell 10 up to about several millivolts, but if the contact pressure between the conductive member and the pad unit is small, the contact resistance may change, and the output voltage is surely May not be detected.
- the conductive member 50 has the first portion 51 connected to the bus bar 40 and the second portion 57 in contact with the pad portion 62, and the second portion 57 includes the first portion 51. It can be a tapered shape in which the width (length in the Z-axis direction) becomes wider as it approaches the portion 51. Therefore, after the plurality of storage cells 10 are stacked, the wiring board 60 can be smoothly moved when the wiring board 60 is moved in the Z-axis direction along the slit portion 36 of the separator 20. For example, in a conductive member that does not have a tapered shape, when the wiring board is moved, the wiring board may be caught by the conductive member and may not be moved smoothly.
- the present invention is not limited to the above-described embodiment, and various modifications can be made.
- the present invention can be appropriately combined with the above-described embodiments and modifications.
- the present invention includes, for example, a configuration substantially the same as the configuration described in the embodiment (for example, a configuration having the same function, method, and result, or a configuration having the same purpose and effect).
- the invention includes a configuration in which a non-essential part of the configuration described in the embodiment is replaced.
- the present invention includes a configuration that achieves the same effect as the configuration described in the embodiment or a configuration that can achieve the same object.
- the invention includes a configuration in which a known technique is added to the configuration described in the embodiment.
- SYMBOLS 10 Power storage cell, 12 ... Exterior body, 13 ... Exterior can, 14 ... Sealing plate, 16 ... Electrode terminal, 16a ... Positive electrode terminal, 16b ... Negative electrode terminal, 18 ... Safety valve, 19 ... Nut, 20 ... Separator, 22 ... Cell Support part, 24 ... convex part, 26 ... concave part, 28 ... projecting part, 30 ... side wall part, 31 ... first side wall part, 32 ... second side wall part, 33 ... third side wall part, 34 ... fourth side wall part, 35 ... opening, 36 ... slit, 37 ... notch, 38 ... through hole, 40 ... bus bar, 42 ... terminal connection, 42a ...
- Base member 81 ... Cell fixing member, 82 ... First fixing member, 83 ... Slit, 84 ... Through hole, 85 ... Second fixing member, 86 ... Projection, 88 ... Through hole 89 ... Screw, 90 ... Module terminal, 92 ... Module terminal, 98 ... Through hole, 99 ... Through hole, 100 ... Module, 150 ... Conductive member, 151 ... First part, 155 ... Slit, 157 ... Second part, 158 ... Third part
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Abstract
Description
本発明に係る蓄電モジュールの一態様は、
電極端子を有する蓄電セルが複数積層された蓄電モジュールであって、
複数の前記電極端子を電気的に接続するバスバーと、
前記バスバーに固定された導電部材と、
複数の前記蓄電セルの電圧を検出する検出部と、
前記検出部と電気的に接続された配線部、および前記配線部と接続されたパッド部が形成された配線基板と、
を含み、
前記導電部材は、前記パッド部と接触している。
適用例1において、
前記導電部材は、弾性部材であってもよい。
適用例2において、
前記導電部材は、
前記バスバーに接続された第1部分と、
前記第1部分に支持され、前記パッド部と接触している第2部分と、
を有し、
前記第2部分は、前記第1部分に近づくにつれて幅が広くなるテーパー状であってもよい。
適用例1ないし3のいずれか1例において、
前記バスバーは、複数の前記電極端子を直列に接続していてもよい。
適用例1ないし4のいずれか1例において、
隣り合う前記蓄電セルの間に設けられたセパレータを、さらに含んでもよい。
適用例1ないし5のいずれか1例において、
前記配線基板は、複数の前記蓄電セルの積層方向に延在していてもよい。
適用例1ないし6のいずれか1例において、
前記蓄電セルは、リチウムイオンキャパシタであってもよい。
本実施形態に係る蓄電モジュールについて、図面を参照しなら説明する。図1は、本実施形態に係る蓄電モジュール100を模式的に示す斜視図である。図2は、本実施形態に係る蓄電モジュール100を模式的に示す分解斜視図である。図3は、本実施形態に係る蓄電モジュール100の一部を模式的に示す分解斜視図である。図4は、本実施形態に係る蓄電モジュール100の一部を模式的に示す図であって、図1のIV矢印方向から見た図である。図5は、本実施形態に係る蓄電モジュール100の一部を模式的に示す分解斜視図である。
Claims (7)
- 電極端子を有する蓄電セルが複数積層された蓄電モジュールであって、
複数の前記電極端子を電気的に接続するバスバーと、
前記バスバーに固定された導電部材と、
複数の前記蓄電セルの電圧を検出する検出部と、
前記検出部と電気的に接続された配線部、および前記配線部と接続されたパッド部が形成された配線基板と、
を含み、
前記導電部材は、前記パッド部と接触している、蓄電モジュール。 - 請求項1において、
前記導電部材は、弾性部材である、蓄電モジュール。 - 請求項2において、
前記導電部材は、
前記バスバーに接続された第1部分と、
前記第1部分に支持され、前記パッド部と接触している第2部分と、
を有し、
前記第2部分は、前記第1部分に近づくにつれて幅が広くなるテーパー状である、蓄電モジュール。 - 請求項1ないし3のいずれか1項において、
前記バスバーは、複数の前記電極端子を直列に接続している、蓄電モジュール。 - 請求項1ないし4のいずれか1項において、
隣り合う前記蓄電セルの間に設けられたセパレータを、さらに含む、蓄電モジュール。 - 請求項1ないし5のいずれか1項において、
前記配線基板は、複数の前記蓄電セルの積層方向に延在している、蓄電モジュール。 - 請求項1ないし6のいずれか1項において、
前記蓄電セルは、リチウムイオンキャパシタである、蓄電モジュール。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201280020446.XA CN103493160B (zh) | 2011-04-25 | 2012-04-12 | 蓄电组件 |
EP12777633.4A EP2704168A4 (en) | 2011-04-25 | 2012-04-12 | ELECTRIC MEMORY MODULE |
US14/113,526 US9576746B2 (en) | 2011-04-25 | 2012-04-12 | Energy storage module including conductive member secured on bus bar and in contact with pad of wiring board |
KR1020137030743A KR101892320B1 (ko) | 2011-04-25 | 2012-04-12 | 축전 모듈 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2011-097079 | 2011-04-25 | ||
JP2011097079A JP5694843B2 (ja) | 2011-04-25 | 2011-04-25 | 蓄電モジュール |
Publications (1)
Publication Number | Publication Date |
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WO2012147531A1 true WO2012147531A1 (ja) | 2012-11-01 |
Family
ID=47072053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2012/060045 WO2012147531A1 (ja) | 2011-04-25 | 2012-04-12 | 蓄電モジュール |
Country Status (6)
Country | Link |
---|---|
US (1) | US9576746B2 (ja) |
EP (1) | EP2704168A4 (ja) |
JP (1) | JP5694843B2 (ja) |
KR (1) | KR101892320B1 (ja) |
CN (1) | CN103493160B (ja) |
WO (1) | WO2012147531A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016031806A (ja) * | 2014-07-28 | 2016-03-07 | 本田技研工業株式会社 | 蓄電モジュール及び端子間連結部材 |
US10312026B2 (en) | 2015-06-09 | 2019-06-04 | Smart Hybird Systems Incorporated | High energy density capacitor with high aspect micrometer structures and a giant colossal dielectric material |
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US10903463B2 (en) * | 2016-03-16 | 2021-01-26 | Kabushiki Kaisha Toshiba | Battery pack |
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JP7061971B2 (ja) | 2016-05-20 | 2022-05-02 | キョーセラ・エイブイエックス・コンポーネンツ・コーポレーション | マルチセル・ウルトラキャパシタ |
KR20190003793A (ko) | 2016-05-20 | 2019-01-09 | 에이브이엑스 코포레이션 | 울트라커패시터용 전극 구조 |
EP3459094B1 (en) | 2016-05-20 | 2022-08-17 | KYOCERA AVX Components Corporation | Ultracapacitor for use at high temperatures |
WO2017201173A1 (en) | 2016-05-20 | 2017-11-23 | Avx Corporation | Nonaqueous electrolyte for an ultracapacitor |
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JP6928826B2 (ja) * | 2017-04-12 | 2021-09-01 | パナソニックIpマネジメント株式会社 | 電池モジュールおよび蓄電ユニット |
CN107146862B (zh) * | 2017-05-09 | 2020-05-22 | 深圳市宝尔爱迪科技有限公司 | 大电压防爆电池组及该电池组的制造方法 |
WO2019064843A1 (ja) | 2017-09-26 | 2019-04-04 | 株式会社豊田自動織機 | 蓄電モジュール及び蓄電モジュールの製造方法 |
KR102328124B1 (ko) * | 2018-01-26 | 2021-11-17 | 주식회사 엘지에너지솔루션 | 전지 모듈 및 전지 모듈 어셈블리 |
DE102018102142A1 (de) * | 2018-01-31 | 2019-08-01 | stoba e-Systems GmbH | Energiespeichermodul mit über unisolierte Leiterstücke verbundenen Energiespeicherzellen und/oder einem Kühlsystem, Energiespeicherblock und Verfahren zum Kühlen eines Energiespeichermoduls |
JP7099038B2 (ja) * | 2018-05-10 | 2022-07-12 | トヨタ自動車株式会社 | 蓄電装置 |
JP7242396B2 (ja) * | 2019-04-19 | 2023-03-20 | 株式会社東芝 | 電池モジュール |
CN113419184B (zh) * | 2021-08-11 | 2022-08-05 | 洛阳天顺光电科技有限公司 | 一种用于储能电池模拟运行的检测装置及其检测方法 |
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- 2012-04-12 KR KR1020137030743A patent/KR101892320B1/ko active IP Right Grant
- 2012-04-12 CN CN201280020446.XA patent/CN103493160B/zh not_active Expired - Fee Related
- 2012-04-12 EP EP12777633.4A patent/EP2704168A4/en not_active Withdrawn
- 2012-04-12 WO PCT/JP2012/060045 patent/WO2012147531A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
KR20140026509A (ko) | 2014-03-05 |
US20140120392A1 (en) | 2014-05-01 |
KR101892320B1 (ko) | 2018-08-27 |
US9576746B2 (en) | 2017-02-21 |
JP5694843B2 (ja) | 2015-04-01 |
EP2704168A1 (en) | 2014-03-05 |
EP2704168A4 (en) | 2014-10-01 |
JP2012230963A (ja) | 2012-11-22 |
CN103493160A (zh) | 2014-01-01 |
CN103493160B (zh) | 2016-04-13 |
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