JP7202407B2 - 二次電池 - Google Patents
二次電池 Download PDFInfo
- Publication number
- JP7202407B2 JP7202407B2 JP2021026153A JP2021026153A JP7202407B2 JP 7202407 B2 JP7202407 B2 JP 7202407B2 JP 2021026153 A JP2021026153 A JP 2021026153A JP 2021026153 A JP2021026153 A JP 2021026153A JP 7202407 B2 JP7202407 B2 JP 7202407B2
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- JP
- Japan
- Prior art keywords
- positive electrode
- negative electrode
- electrode
- current collector
- positive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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)
- Sealing Battery Cases Or Jackets (AREA)
- Cell Separators (AREA)
Description
空隙率=細孔体積/粒子体積×100・・・(1)
Claims (4)
- 電極体と、
前記電極体を収納する外装缶と、
前記電極体とともに前記外装缶に収納される電解液とを備え、
前記電極体は、
正極芯体および正極活物質合剤層を含む正極板と、
負極芯体および負極活物質合剤層を含む負極板と、
前記正極板と前記負極板との間に設けられたセパレータとを含み、
前記セパレータは、前記正極板に対向する第1面と、前記負極板に対向する第2面とを含み、前記第1面および前記第2面の少なくとも一方に接着層が形成され、
前記セパレータの厚み(T)に対する前記正極板および前記負極板の極間距離(L)の比率(L/T)が1.12以上1.30以下である、二次電池。 - 前記接着層は少なくとも前記第1面に形成される、請求項1に記載の二次電池。
- 前記正極活物質合剤層に含有される前記電解液の質量は、前記正極活物質合剤層の質量の4.03%以上4.70%以下である、請求項1または請求項2に記載の二次電池。
- 正極活物質合剤層中の単位空隙あたりの前記電解液の含有量は、11.05mg/cc以上12.90mg/cc以下である、請求項1から請求項3のいずれか1項に記載の二次電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021026153A JP7202407B2 (ja) | 2021-02-22 | 2021-02-22 | 二次電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021026153A JP7202407B2 (ja) | 2021-02-22 | 2021-02-22 | 二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022127915A JP2022127915A (ja) | 2022-09-01 |
JP7202407B2 true JP7202407B2 (ja) | 2023-01-11 |
Family
ID=83060894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2021026153A Active JP7202407B2 (ja) | 2021-02-22 | 2021-02-22 | 二次電池 |
Country Status (1)
Country | Link |
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JP (1) | JP7202407B2 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001095421A1 (en) | 2000-06-07 | 2001-12-13 | Gs-Melcotec Co., Ltd. | Battery |
WO2011135613A1 (ja) | 2010-04-27 | 2011-11-03 | パナソニック株式会社 | 非水系二次電池およびこれに用いる電極群 |
JP2014120456A (ja) | 2012-12-19 | 2014-06-30 | Nissan Motor Co Ltd | 二次電池 |
JP2014179221A (ja) | 2013-03-14 | 2014-09-25 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
WO2015133066A1 (ja) | 2014-03-05 | 2015-09-11 | パナソニックIpマネジメント株式会社 | 薄型電池および電池搭載デバイス |
WO2019156172A1 (ja) | 2018-02-08 | 2019-08-15 | 積水化学工業株式会社 | リチウムイオン二次電池、リチウムイオン二次電池用負極構造体、及びリチウムイオン二次電池の製造方法 |
-
2021
- 2021-02-22 JP JP2021026153A patent/JP7202407B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001095421A1 (en) | 2000-06-07 | 2001-12-13 | Gs-Melcotec Co., Ltd. | Battery |
WO2011135613A1 (ja) | 2010-04-27 | 2011-11-03 | パナソニック株式会社 | 非水系二次電池およびこれに用いる電極群 |
JP2014120456A (ja) | 2012-12-19 | 2014-06-30 | Nissan Motor Co Ltd | 二次電池 |
JP2014179221A (ja) | 2013-03-14 | 2014-09-25 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
WO2015133066A1 (ja) | 2014-03-05 | 2015-09-11 | パナソニックIpマネジメント株式会社 | 薄型電池および電池搭載デバイス |
WO2019156172A1 (ja) | 2018-02-08 | 2019-08-15 | 積水化学工業株式会社 | リチウムイオン二次電池、リチウムイオン二次電池用負極構造体、及びリチウムイオン二次電池の製造方法 |
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Publication number | Publication date |
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JP2022127915A (ja) | 2022-09-01 |
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