JP5554181B2 - 非水電解質二次電池 - Google Patents
非水電解質二次電池 Download PDFInfo
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- JP5554181B2 JP5554181B2 JP2010192611A JP2010192611A JP5554181B2 JP 5554181 B2 JP5554181 B2 JP 5554181B2 JP 2010192611 A JP2010192611 A JP 2010192611A JP 2010192611 A JP2010192611 A JP 2010192611A JP 5554181 B2 JP5554181 B2 JP 5554181B2
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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)
- Connection Of Batteries Or Terminals (AREA)
Description
Claims (4)
- 外装缶と、
前記外装缶に収納された捲回体と、
一方端が前記捲回体の正極の内周端に溶接され、他方端が前記外装缶に溶接された正極タブと、
一方端が前記捲回体の負極の内周端に溶接され、他方端が前記外装缶に設けられた負極端子に溶接された負極タブとを備え、
前記捲回体は、
正極と、
負極と、
前記正極と前記負極との間に配置されたセパレータとを含み、
前記正極は、
正極集電体と、
前記正極集電体に塗布された正極活物質層と、
前記正極集電体の内周端側に位置する前記正極集電体の最初の屈曲部の両面に貼付され、かつ、前記正極タブに貼付されている絶縁テープとを含む、非水電解質二次電池。 - 前記絶縁テープは、更に、前記正極タブの前記正極集電体への溶接によって発生した凹凸部に貼付されている、請求項1に記載の非水電解質二次電池。
- 前記負極は、
負極集電体と、
前記負極集電体に塗布された負極活物質層とを含み、
前記正極集電体の前記正極タブが溶接された部分は、前記負極集電体の内周端に溶接された前記負極タブから前記負極集電体の最初の屈曲部までの前記負極活物質層が塗布されていない前記負極集電体に対向している、請求項1または2に記載の非水電解質二次電池。 - 前記正極は、
前記正極集電体の最外周部と前記最外周部よりも1周だけ内周の部分とに設けられた絶縁部材を更に含む、請求項1から請求項3のいずれか1項に記載の非水電解質二次電池。
Priority Applications (1)
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JP2010192611A JP5554181B2 (ja) | 2010-08-30 | 2010-08-30 | 非水電解質二次電池 |
Applications Claiming Priority (1)
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JP2010192611A JP5554181B2 (ja) | 2010-08-30 | 2010-08-30 | 非水電解質二次電池 |
Publications (2)
Publication Number | Publication Date |
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JP2012049089A JP2012049089A (ja) | 2012-03-08 |
JP5554181B2 true JP5554181B2 (ja) | 2014-07-23 |
Family
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JP2010192611A Active JP5554181B2 (ja) | 2010-08-30 | 2010-08-30 | 非水電解質二次電池 |
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JP (1) | JP5554181B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013201094A (ja) * | 2012-03-26 | 2013-10-03 | Hitachi Maxell Ltd | 非水電解液二次電池 |
JP6393487B2 (ja) * | 2014-02-18 | 2018-09-19 | マクセルホールディングス株式会社 | 非水電解質二次電池 |
WO2016013179A1 (ja) * | 2014-07-23 | 2016-01-28 | 三洋電機株式会社 | 非水電解質二次電池 |
KR102266592B1 (ko) * | 2015-03-02 | 2021-06-17 | 삼성에스디아이 주식회사 | 이차 전지 |
CN109417187B (zh) * | 2016-07-08 | 2022-02-08 | 株式会社村田制作所 | 电池、电池组、电子设备、电动车辆、蓄电装置及电力*** |
WO2020110975A1 (ja) | 2018-11-28 | 2020-06-04 | 三洋電機株式会社 | 非水電解質二次電池 |
EP3968429A4 (en) * | 2020-03-03 | 2022-08-10 | Ningde Amperex Technology Ltd. | BATTERY |
JP7405239B2 (ja) * | 2020-03-19 | 2023-12-26 | 株式会社村田製作所 | 二次電池、電子機器及び電動工具 |
CN217280916U (zh) * | 2022-03-31 | 2022-08-23 | 珠海冠宇电池股份有限公司 | 电芯以及电池 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3937422B2 (ja) * | 2000-03-23 | 2007-06-27 | ソニー株式会社 | リチウムイオン電池およびその製造方法 |
JP2003086166A (ja) * | 2001-09-14 | 2003-03-20 | Hitachi Maxell Ltd | 非水電解質二次電池 |
JP4060576B2 (ja) * | 2001-11-20 | 2008-03-12 | 松下電器産業株式会社 | 扁平形電池 |
JP2007335165A (ja) * | 2006-06-13 | 2007-12-27 | Sony Corp | 電池 |
JP2008041581A (ja) * | 2006-08-10 | 2008-02-21 | Hitachi Maxell Ltd | 巻回体電極群、角形二次電池およびラミネート形二次電池 |
JP4968182B2 (ja) * | 2008-05-29 | 2012-07-04 | ソニー株式会社 | 巻回電極体及び非水電解質二次電池 |
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2010
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