JP4382557B2 - 非水二次電池 - Google Patents
非水二次電池 Download PDFInfo
- Publication number
- JP4382557B2 JP4382557B2 JP2004101208A JP2004101208A JP4382557B2 JP 4382557 B2 JP4382557 B2 JP 4382557B2 JP 2004101208 A JP2004101208 A JP 2004101208A JP 2004101208 A JP2004101208 A JP 2004101208A JP 4382557 B2 JP4382557 B2 JP 4382557B2
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- JP
- Japan
- Prior art keywords
- negative electrode
- positive electrode
- current collector
- tip
- coating film
- 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.)
- Expired - Fee Related
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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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- Cell Separators (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
9 正極
10 負極
11 セパレータ
17 正極塗膜
19 正極集電体
20 負極塗膜
21 負極集電体
22 ポリイミド塗料
23 絶縁テープ
Claims (4)
- 正極活物質を含有する塗膜が正極集電体の裏表両面に配された正極と、負極活物質を含有する塗膜が負極集電体の裏表両面に配された負極と、リチウムイオンが透過可能なセパレータとを有しており、
前記正極と前記負極とが前記セパレータを介して巻回された電極巻回体を収容した非水二次電池であって、
前記負極の巻回方向の先端が、それに対面する前記正極の塗膜の先端よりも巻回方向に後退して、前記負極が露出状態の前記正極集電体に対面しないようにしてあり、
前記負極の先端部と、前記正極における前記負極の先端部に対面する部分との少なくとも一方に、リチウムイオン非透過性の絶縁体が介在していることを特徴とする非水二次電池。 - 前記絶縁体が、塗料で形成されている請求項1記載の非水二次電池。
- 前記絶縁体が、テープである請求項1記載の非水二次電池。
- 正極活物質を含有する塗膜が正極集電体の裏表両面に配された正極と、負極活物質を含有する塗膜が負極集電体の裏表両面に配された負極と、セパレータとを有しており、
前記正極と前記負極とが前記セパレータを介して巻回された電極巻回体を収容した非水二次電池であって、
前記負極の巻回方向の先端が、それに対面する前記正極の塗膜の先端よりも巻回方向に後退して、前記負極が露出状態の前記正極集電体に対面しないようにしてあり、
前記セパレータには、その全体にわたってリチウムイオンが透過可能な微孔を分散状に設けてあり、
前記セパレータにおいて、前記負極の先端部に対面する部分の前記微孔を塞いで絶縁体とすることで、その部分ではリチウムイオンが透過しないようにしたことを特徴とする非水二次電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004101208A JP4382557B2 (ja) | 2004-03-30 | 2004-03-30 | 非水二次電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004101208A JP4382557B2 (ja) | 2004-03-30 | 2004-03-30 | 非水二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005285691A JP2005285691A (ja) | 2005-10-13 |
JP4382557B2 true JP4382557B2 (ja) | 2009-12-16 |
Family
ID=35183828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004101208A Expired - Fee Related JP4382557B2 (ja) | 2004-03-30 | 2004-03-30 | 非水二次電池 |
Country Status (1)
Country | Link |
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JP (1) | JP4382557B2 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009064620A (ja) * | 2007-09-05 | 2009-03-26 | Sony Corp | 非水電解質二次電池 |
KR101025277B1 (ko) | 2007-10-30 | 2011-03-29 | 삼성에스디아이 주식회사 | 전극 조립체 및 이를 구비하는 이차 전지 |
KR101290728B1 (ko) | 2008-03-07 | 2013-07-26 | 삼성전자주식회사 | 전극 모듈 및 이를 이용한 탈이온화 장치 |
US8628876B2 (en) | 2008-06-20 | 2014-01-14 | Samsung Sdi Co., Ltd. | Electrode assembly and lithium secondary battery with same |
JP5381588B2 (ja) * | 2009-10-02 | 2014-01-08 | トヨタ自動車株式会社 | リチウムイオン二次電池、車両及び電池搭載機器 |
JP2015035250A (ja) * | 2011-11-30 | 2015-02-19 | 三洋電機株式会社 | 非水電解質二次電池 |
JP6139072B2 (ja) * | 2012-07-31 | 2017-05-31 | 太陽誘電株式会社 | 電気化学デバイス及びその製造方法 |
KR101446160B1 (ko) | 2012-12-07 | 2014-10-01 | 주식회사 엘지화학 | 테이프 처리된 전극조립체 및 이를 포함하는 전기화학소자 |
JP6048322B2 (ja) * | 2013-06-07 | 2016-12-21 | トヨタ自動車株式会社 | リチウムイオン二次電池 |
JP6360305B2 (ja) * | 2013-12-27 | 2018-07-18 | 日立オートモティブシステムズ株式会社 | 角形二次電池 |
JP6674657B2 (ja) * | 2016-03-04 | 2020-04-01 | 株式会社Gsユアサ | 蓄電素子 |
JP6610692B2 (ja) * | 2018-03-13 | 2019-11-27 | Tdk株式会社 | 電極及び蓄電素子 |
JP7299076B2 (ja) * | 2019-06-12 | 2023-06-27 | セイコーインスツル株式会社 | 電気化学セルおよびその製造方法 |
RU2717076C1 (ru) * | 2019-10-26 | 2020-03-18 | Общество с ограниченной ответственностью "БэттериЛАБ" | Устройство для защиты литий-ионного аккумулятора от возгорания |
KR20230072301A (ko) * | 2021-11-17 | 2023-05-24 | 삼성전자주식회사 | 이온 배리어층을 포함하는 배터리 및 이를 포함하는 전자 장치 |
CN116349048A (zh) * | 2022-03-31 | 2023-06-27 | 宁德新能源科技有限公司 | 电化学装置及用电装置 |
WO2024039221A1 (ko) * | 2022-08-18 | 2024-02-22 | 주식회사 엘지에너지솔루션 | 젤리-롤형 전극조립체 및 이의 제조방법 |
-
2004
- 2004-03-30 JP JP2004101208A patent/JP4382557B2/ja not_active Expired - Fee Related
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JP2005285691A (ja) | 2005-10-13 |
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