JP5360795B2 - 非水電解液電池 - Google Patents
非水電解液電池 Download PDFInfo
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- JP5360795B2 JP5360795B2 JP2008117816A JP2008117816A JP5360795B2 JP 5360795 B2 JP5360795 B2 JP 5360795B2 JP 2008117816 A JP2008117816 A JP 2008117816A JP 2008117816 A JP2008117816 A JP 2008117816A JP 5360795 B2 JP5360795 B2 JP 5360795B2
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- separator
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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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Description
また、特許文献3に記載のように、袋状のセパレータに一方の電極を収容したものを捲回して捲回電極体を作製することは、製造上の困難が伴うものであった。
なお、ここでは、セパレータ5が電極捲回体6の負極4の最外周を全く覆っていない場合や、セパレータ5が負極4の最外周の一部を覆っている場合が含まれる。
2 外装缶
3 正極
4 負極
5 セパレータ
5c・5d セパレータ末端部
6 電極捲回体
24a・25a 負極シートの捲回末端
30 カバー部
E 正極シートの捲回末端
Claims (3)
- 上方開口を有する有底筒状の外装缶内に、シート状の正極とシート状の負極とをシート状のセパレータを介して捲回してなる電極捲回体と、非水電解液とが収容されている筒形の非水電解液電池であって、
外装缶の上方開口が、外装缶の上方開口の内周縁に固定された蓋板と、蓋板の中央部に設けられた開口に絶縁パッキンを介して装着された端子体と、蓋板の下部に配置された絶縁板とからなる封口構造で封止されており、
前記電極捲回体の正極と前記端子体の下面とは正極リード体で接続されており、
前記電極捲回体の負極の少なくとも一部に、リチウム−アルミニウム合金が含まれており、
前記セパレータは、不織布と微孔性フィルムとを重ねることで構成されており、
前記電極捲回体の正負極の上下両端が、当該電極捲回体の正負極の上下両端から突出するセパレータの微孔性フィルムの上下両端部を水平方向に折り曲げて形成されたカバー部により覆われており、
前記外装缶は、前記負極の電位を有するように、前記電極捲回体の最外周において前記負極と接しており、
前記正極の捲回終端から延びる前記セパレータの末端部の延出寸法が、10mm以上に設定されていることを特徴とする非水電解液電池。 - 前記セパレータの末端部の延出寸法が、25mm以下である請求項1記載の非水電解液電池。
- 前記正極の上下幅寸法が、前記負極の上下幅寸法以上である請求項1又は2に記載の非水電解液電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008117816A JP5360795B2 (ja) | 2008-04-28 | 2008-04-28 | 非水電解液電池 |
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JP2008117816A JP5360795B2 (ja) | 2008-04-28 | 2008-04-28 | 非水電解液電池 |
Publications (2)
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JP2009266750A JP2009266750A (ja) | 2009-11-12 |
JP5360795B2 true JP5360795B2 (ja) | 2013-12-04 |
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JP2008117816A Active JP5360795B2 (ja) | 2008-04-28 | 2008-04-28 | 非水電解液電池 |
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JP (1) | JP5360795B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5314665B2 (ja) * | 2010-12-27 | 2013-10-16 | 三菱重工業株式会社 | 電池 |
JP2015170408A (ja) * | 2014-03-05 | 2015-09-28 | 株式会社豊田自動織機 | 電極の製造方法 |
JP6202347B2 (ja) | 2015-06-25 | 2017-09-27 | トヨタ自動車株式会社 | 非水電解液二次電池 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4606551B2 (ja) * | 1999-07-09 | 2011-01-05 | パナソニック株式会社 | 非水電解液電池 |
JP4079326B2 (ja) * | 2003-04-25 | 2008-04-23 | 日立マクセル株式会社 | 非水電解液電池 |
JP4129965B2 (ja) * | 2003-05-15 | 2008-08-06 | 日立マクセル株式会社 | 非水電解液電池 |
JP4968768B2 (ja) * | 2006-03-17 | 2012-07-04 | 日立マクセルエナジー株式会社 | 筒形非水電解液電池 |
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