JP6530819B2 - 二次電池 - Google Patents
二次電池 Download PDFInfo
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- JP6530819B2 JP6530819B2 JP2017542994A JP2017542994A JP6530819B2 JP 6530819 B2 JP6530819 B2 JP 6530819B2 JP 2017542994 A JP2017542994 A JP 2017542994A JP 2017542994 A JP2017542994 A JP 2017542994A JP 6530819 B2 JP6530819 B2 JP 6530819B2
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- 230000000903 blocking effect Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011888 foil Substances 0.000 description 20
- 239000000203 mixture Substances 0.000 description 16
- 239000011255 nonaqueous electrolyte Substances 0.000 description 16
- 238000007789 sealing Methods 0.000 description 13
- 238000003466 welding Methods 0.000 description 11
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- -1 polytetrafluoroethylene Polymers 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
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- 239000007788 liquid Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 4
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- 239000002904 solvent Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
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- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
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- 239000003792 electrolyte Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 description 1
- OFHQVNFSKOBBGG-UHFFFAOYSA-N 1,2-difluoropropane Chemical compound CC(F)CF OFHQVNFSKOBBGG-UHFFFAOYSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- KXJGSNRAQWDDJT-UHFFFAOYSA-N 1-acetyl-5-bromo-2h-indol-3-one Chemical compound BrC1=CC=C2N(C(=O)C)CC(=O)C2=C1 KXJGSNRAQWDDJT-UHFFFAOYSA-N 0.000 description 1
- PPDFQRAASCRJAH-UHFFFAOYSA-N 2-methylthiolane 1,1-dioxide Chemical compound CC1CCCS1(=O)=O PPDFQRAASCRJAH-UHFFFAOYSA-N 0.000 description 1
- SBUOHGKIOVRDKY-UHFFFAOYSA-N 4-methyl-1,3-dioxolane Chemical compound CC1COCO1 SBUOHGKIOVRDKY-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910015044 LiB Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 229920005549 butyl rubber Polymers 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
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- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
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- 150000008117 polysulfides Polymers 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
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- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Description
2 第2支持部材
2B 第2支持部材
5 絶縁部材
10 電池容器
11 電池缶
11d 開口部
12 電池蓋
12b 内面
20 外部端子
20b 接続部
30 集電板
40 電極群
40a 扁平部
40b 湾曲部
50 電流遮断部
53 脆弱部
100 二次電池
100A 二次電池
100B 二次電池
F1 第1の面
F2 第2の面
Claims (8)
- 電極群と、該電極群を収容する電池容器と、該電池容器の外面に配置されて前記電極群と電気的に接続された外部端子と、該外部端子と前記電極群との間の電流経路に設けられた脆弱部を有する電流遮断部と、を備えた二次電池であって、
前記電池容器の第1の面に配置され、前記電極群を支持する第1支持部材と、前記第1の面に対向する前記電池容器の第2の面に配置され、前記第1支持部材とは別体で形成された前記電極群を支持する第2支持部材と、前記電池容器を貫通した前記外部端子の接続部によって前記第1の面に固定された絶縁部材と、該絶縁部材に固定されて前記電極群に接続された集電板と、を備え、
前記第1支持部材と前記第2支持部材の少なくとも一方は、弾性部材であり、
前記脆弱部は、前記集電板に形成され、
前記電流遮断部は、扁平角形の前記電池容器の幅方向の一端に設けられ、前記脆弱部と前記外部端子とを電気的に接続するダイヤフラムを備え、
前記第1支持部材及び前記第2支持部材は、前記幅方向において前記電池容器の中央よりも前記電流遮断部に近くかつ前記集電板よりも前記幅方向の中央側に配置されていることを特徴とする二次電池。 - 前記第1支持部材と前記第2支持部材は、ともに弾性部材であることを特徴とする請求項1に記載の二次電池。
- 前記電極群は、扁平部と該扁平部の両端の湾曲部とを有する扁平な捲回電極群であり、前記第1の面に対向する前記湾曲部が前記第1支持部材によって支持され、前記第2の面に対向する前記湾曲部が前記第2支持部材によって支持されることを特徴とする請求項1又は請求項2に記載の二次電池。
- 前記電池容器は、前記電極群を収容する電池缶と、該電池缶の開口部を封止する電池蓋とを有し、
前記第1の面は、前記電池蓋の内面であることを特徴とする請求項1に記載の二次電池。 - 前記第1支持部材は、前記絶縁部材と一体に形成されていることを特徴とする請求項1に記載の二次電池。
- 前記第1支持部材と前記第2支持部材の少なくとも一方は、ゴム系材料を素材とする弾性部材であることを特徴とする請求項1に記載の二次電池。
- 前記第1支持部材と前記第2支持部材の少なくとも一方は、板ばねを素材とする弾性部材であることを特徴とする請求項1に記載の二次電池。
- 前記第1支持部材及び前記第2支持部材は、電気絶縁性を有することを特徴とする請求項6又は請求項7に記載の二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015194081 | 2015-09-30 | ||
JP2015194081 | 2015-09-30 | ||
PCT/JP2016/073219 WO2017056733A1 (ja) | 2015-09-30 | 2016-08-08 | 二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017056733A1 JPWO2017056733A1 (ja) | 2018-05-10 |
JP6530819B2 true JP6530819B2 (ja) | 2019-06-12 |
Family
ID=58424017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017542994A Active JP6530819B2 (ja) | 2015-09-30 | 2016-08-08 | 二次電池 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6530819B2 (ja) |
WO (1) | WO2017056733A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023153901A1 (ko) * | 2022-02-14 | 2023-08-17 | 주식회사 엘지에너지솔루션 | 전극 구조체, 그리고 전극 구조체를 포함하는 각형 전지 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7415397B2 (ja) * | 2019-09-27 | 2024-01-17 | 株式会社Gsユアサ | 蓄電素子 |
JP7446202B2 (ja) * | 2020-11-16 | 2024-03-08 | プライムプラネットエナジー&ソリューションズ株式会社 | 電池および電池の製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8492022B2 (en) * | 2009-10-07 | 2013-07-23 | Samsung Sdi Co., Ltd. | Rechargeable battery with buffer sheet between electrode assembly and battery case |
US9099732B2 (en) * | 2010-06-11 | 2015-08-04 | Samsung Sdi Co., Ltd. | Rechargeable battery having a fuse with an insulating blocking member |
JP2012074287A (ja) * | 2010-09-29 | 2012-04-12 | Hitachi Vehicle Energy Ltd | 角形二次電池 |
CN104781946B (zh) * | 2012-11-26 | 2017-12-12 | 日立汽车系统株式会社 | 四方形二次电池 |
JP5804037B2 (ja) * | 2013-12-13 | 2015-11-04 | 株式会社豊田自動織機 | 電流遮断装置を備えた蓄電装置 |
JP2015153665A (ja) * | 2014-02-17 | 2015-08-24 | 株式会社豊田自動織機 | 電流遮断装置とそれを用いた蓄電装置 |
-
2016
- 2016-08-08 WO PCT/JP2016/073219 patent/WO2017056733A1/ja active Application Filing
- 2016-08-08 JP JP2017542994A patent/JP6530819B2/ja active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023153901A1 (ko) * | 2022-02-14 | 2023-08-17 | 주식회사 엘지에너지솔루션 | 전극 구조체, 그리고 전극 구조체를 포함하는 각형 전지 |
KR20230122562A (ko) * | 2022-02-14 | 2023-08-22 | 주식회사 엘지에너지솔루션 | 전극 구조체, 그리고 전극 구조체를 포함하는 각형 전지 |
KR102601959B1 (ko) | 2022-02-14 | 2023-11-14 | 주식회사 엘지에너지솔루션 | 전극 구조체, 그리고 전극 구조체를 포함하는 각형 전지 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2017056733A1 (ja) | 2018-05-10 |
WO2017056733A1 (ja) | 2017-04-06 |
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