JP6809860B2 - 二次電池 - Google Patents
二次電池 Download PDFInfo
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- JP6809860B2 JP6809860B2 JP2016194551A JP2016194551A JP6809860B2 JP 6809860 B2 JP6809860 B2 JP 6809860B2 JP 2016194551 A JP2016194551 A JP 2016194551A JP 2016194551 A JP2016194551 A JP 2016194551A JP 6809860 B2 JP6809860 B2 JP 6809860B2
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- secondary battery
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- 229920003002 synthetic resin Polymers 0.000 description 5
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- 239000002033 PVDF binder Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
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- 239000011230 binding agent Substances 0.000 description 3
- 238000010586 diagram Methods 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
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- OFHQVNFSKOBBGG-UHFFFAOYSA-N 1,2-difluoropropane Chemical compound CC(F)CF OFHQVNFSKOBBGG-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
- 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
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000004813 Perfluoroalkoxy alkane Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910008479 TiSi2 Inorganic materials 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
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- DFJQEGUNXWZVAH-UHFFFAOYSA-N bis($l^{2}-silanylidene)titanium Chemical compound [Si]=[Ti]=[Si] DFJQEGUNXWZVAH-UHFFFAOYSA-N 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 150000004651 carbonic acid esters Chemical class 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
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 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
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920011301 perfluoro alkoxyl alkane Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
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- 229920002223 polystyrene Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
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- 230000002250 progressing effect Effects 0.000 description 1
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- 238000009751 slip forming Methods 0.000 description 1
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- 229910052718 tin Inorganic materials 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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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
-
- 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
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- Secondary Cells (AREA)
- Cell Separators (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
以下、第1の実施例を説明する。図1は、扁平捲回形二次電池の外観斜視図である。
扁平捲回形二次電池100は、電池缶1および蓋(電池蓋)6を備える。電池缶1は、相対的に面積の大きい一対の対向する幅広側面1bと相対的に面積の小さい一対の対向する幅狭側面1cとを有する側面と底面1dを有し、その上方に開口部1aを有する。
扁平捲回形二次電池100の電池缶1は、矩形の底面1dと、底面1dから立ち上がる角筒状の側面1b、1cと、側面1b、1cの上端で上方に向かって開放された開口部1aとを有している。電池缶1内には、絶縁保護フィルム2を介して捲回群3が収容されている。
捲回群3は、負極電極32と正極電極34を間にセパレータ33、35を介して扁平状に捲回することによって構成されている。捲回群3は、最外周の電極が負極電極32であり、さらにその外側にセパレータ33、35が捲回される。セパレータ33、35は、正極電極34と負極電極32との間を絶縁する役割を有している。
続いて第2の実施例について説明する。本実施例が第1の実施例と異なる点は、絶縁膜60の代わりに絶縁テープ70を集電板基部に貼付した点である。
続いて第3の実施例について説明する。本実施例が第1の実施例と異なる点は、絶縁膜60の代わりに絶縁被膜80を集電板基部に付した点である。
1a:開口部
1b:幅広側面
1c:幅狭側面
1d:底面
2:絶縁保護フィルム
3:捲回群
5:ガスケット
6:電池蓋
7:絶縁版
9:注液口
10:ガス排出弁
11:注液栓
12:負極外部端子
12a:負極接続部
14:正極外部端子
14a:正極接続部
21:負極集電板基部
22:負極側接続端部
23:負極側開口穴
24:負極集電板
26:負極側貫通孔
32:負極電極
32a:負極箔
32b:負極合材層
32c:負極箔露出部
33:セパレータ
34:正極電極
34a:正極箔
34b:正極合材層
34c:正極箔露出部
35:セパレータ
41:正極集電板基部
42:正極側接続端部
43:正極側開口穴
44:正極集電板
46:正極側貫通孔
50:電解液
60:絶縁膜
70:絶縁テープ
80:絶縁酸化膜
100:二次電池
Claims (7)
- 開口を有し、蓄電要素を収納する電池容器と、
前記開口を塞ぎ、外部端子が設けられた蓋と、
一端が外部端子、他端が蓄電要素と接続される集電板と、
前記集電板及び前記蓄電要素を覆う絶縁フィルムを備えた二次電池において、
前記集電板は、前記絶縁フィルムの蓋側の端部と前記蓋との間に設けられた所定幅の隙間において前記絶縁フィルムから露出した露出部を有し、
前記露出部には絶縁膜が設けられていることを特徴とする二次電池。 - 請求項1に記載の二次電池において、
前記絶縁膜は前記絶縁フィルムと重なる部分を有することを特徴とする二次電池。 - 請求項1または2に記載の二次電池において、
前記絶縁膜は塗膜であることを特徴とする二次電池。 - 請求項1または2に記載の二次電池において、
前記絶縁膜は絶縁テープであることを特徴とする二次電池。 - 請求項1または2に記載の二次電池において、
前記絶縁膜は酸化膜であることを特徴とする二次電池。 - 請求項3に記載の二次電池において、
前記塗膜はコールタール、ワニス、ポリウレタン、ポリエステル、ポリアミドイミド、ポリエステルイミドのうちの何れか1つ以上のものであることを特徴とする二次電池。 - 請求項6に記載の二次電池において、
前記絶縁膜の厚みは10μm以上であって、かつ前記電池容器と前記集電板との距離以下であることを特徴とする二次電池。
Priority Applications (1)
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JP2016194551A JP6809860B2 (ja) | 2016-09-30 | 2016-09-30 | 二次電池 |
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JP2016194551A JP6809860B2 (ja) | 2016-09-30 | 2016-09-30 | 二次電池 |
Publications (2)
Publication Number | Publication Date |
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JP2018056085A JP2018056085A (ja) | 2018-04-05 |
JP6809860B2 true JP6809860B2 (ja) | 2021-01-06 |
Family
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JP2016194551A Active JP6809860B2 (ja) | 2016-09-30 | 2016-09-30 | 二次電池 |
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JP (1) | JP6809860B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108832148B (zh) * | 2018-06-28 | 2023-10-10 | 惠州华科技术研究院有限公司 | 电池绝缘膜包膜装置 |
US20220085421A1 (en) * | 2019-03-20 | 2022-03-17 | Vehicle Energy Japan Inc. | Secondary battery |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3906519B2 (ja) * | 1997-04-30 | 2007-04-18 | 宇部興産株式会社 | 電池用電極とこれを用いた電池 |
US7544220B2 (en) * | 2005-03-31 | 2009-06-09 | Medtronic, Inc. | Welding methods and apparatus for batteries |
US20120288747A1 (en) * | 2010-01-29 | 2012-11-15 | Jsr Corporation | Electrochemical device |
WO2013111256A1 (ja) * | 2012-01-23 | 2013-08-01 | 日立ビークルエナジー株式会社 | 二次電池 |
JP5942449B2 (ja) * | 2012-02-03 | 2016-06-29 | 株式会社豊田自動織機 | 蓄電装置及び車両 |
JP2013171784A (ja) * | 2012-02-22 | 2013-09-02 | Sanyo Electric Co Ltd | 角形非水電解質二次電池 |
JP6056254B2 (ja) * | 2012-08-13 | 2017-01-11 | 株式会社豊田自動織機 | 蓄電装置 |
JP5964253B2 (ja) * | 2013-01-18 | 2016-08-03 | オートモーティブエナジーサプライ株式会社 | 二次電池用電極シートの製造方法およびそれに用いる塗工装置 |
CN105359303B (zh) * | 2013-07-01 | 2019-07-26 | 远景Aesc能源元器件有限公司 | 非水电解质二次电池用的电极、制造该电极的方法、以及非水电解质二次电池 |
JP6262069B2 (ja) * | 2014-05-07 | 2018-01-17 | 日立オートモティブシステムズ株式会社 | 二次電池 |
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