JP3995680B2 - 角形密閉式蓄電池およびその製造方法 - Google Patents
角形密閉式蓄電池およびその製造方法 Download PDFInfo
- Publication number
- JP3995680B2 JP3995680B2 JP2004321372A JP2004321372A JP3995680B2 JP 3995680 B2 JP3995680 B2 JP 3995680B2 JP 2004321372 A JP2004321372 A JP 2004321372A JP 2004321372 A JP2004321372 A JP 2004321372A JP 3995680 B2 JP3995680 B2 JP 3995680B2
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- electrode body
- spiral electrode
- battery case
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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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- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
2 タブ2
3 渦巻状電極体
4 電池ケース
5 蓋板
6 端子
7 絶縁パッキング
8 絶縁体
9 リード板
10 溶接治具
11 長円形の短軸線
Claims (2)
- 厚みが8mm未満の角形の電池ケースと、中央部に端子が設けられた蓋板と、少なくとも一方の端面の形状が長円形をした渦巻状電極体を備えた角形密閉式蓄電池であって、平板状の金属箔で構成された正極用のタブと負極用のタブとが、前記長円形の渦巻状電極体の短軸を中心にして左右に1本ずつ、その平板状面が前記渦巻状電極体の長円形端面の長軸方向とほぼ平行になるように、前記渦巻状電極体の長円形端面から引き出されており、かつ前記正極用のタブと前記負極用のタブのいずれか一方のタブが、前記渦巻状電極体の長円形端面の外周部から引き出されて蓋板に直接溶接され、他方のタブが、前記渦巻状電極体の長円形端面の内周部から引き出されて端子または端子に接続するリード板に溶接されていることを特徴とする角形密閉式蓄電池。
- 上面が開口した電池ケース内に、少なくとも一方の端面の形状が長円形の渦巻状電極体をその長円形端面が電池ケースの開口方向に向いた状態で所定位置に収納し、蓋板で電池ケースの開口部を封口して密閉される角形密閉式蓄電池の製造方法であって、上記渦巻状電極体の長円形端面から引き出された正極用のタブと負極用のタブのいずれか一方をねじれのない状態で蓋板に溶接し、他方のタブをねじれのない状態で端子または端子に接続するリード板に溶接し、該渦巻状電極体を電池ケース内の所定位置に完全に収納した後、上記正極用のタブと負極用のタブをねじれのない状態のまま、上記蓋板で電池ケースの開口部を封口して密閉したことを特徴とする請求項1に記載の角形密閉式蓄電池の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004321372A JP3995680B2 (ja) | 2004-11-05 | 2004-11-05 | 角形密閉式蓄電池およびその製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004321372A JP3995680B2 (ja) | 2004-11-05 | 2004-11-05 | 角形密閉式蓄電池およびその製造方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18763697A Division JP3654400B2 (ja) | 1997-06-26 | 1997-06-26 | 角形密閉式蓄電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005038866A JP2005038866A (ja) | 2005-02-10 |
JP3995680B2 true JP3995680B2 (ja) | 2007-10-24 |
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ID=34214598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004321372A Expired - Lifetime JP3995680B2 (ja) | 2004-11-05 | 2004-11-05 | 角形密閉式蓄電池およびその製造方法 |
Country Status (1)
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JP (1) | JP3995680B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101952997B (zh) | 2008-08-08 | 2013-07-17 | 松下电器产业株式会社 | 密闭型二次电池及其制造方法 |
US9634298B2 (en) | 2009-08-05 | 2017-04-25 | Panasonic Intellectual Property Management Co., Ltd. | Hermetically sealed battery and method for manufacturing the same |
CN111505351B (zh) * | 2020-05-26 | 2023-08-15 | 湖南领湃达志科技股份有限公司 | 电池极耳夹具 |
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2004
- 2004-11-05 JP JP2004321372A patent/JP3995680B2/ja not_active Expired - Lifetime
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