基本信息:
- 专利标题： 帽组件和使用该帽组件的二次电池
- 专利标题（英）：Cap assembly and second battery using same
- 申请号：CN201180059087.4 申请日：2011-12-07
- 公开(公告)号：CN103262291A 公开(公告)日：2013-08-21
- 发明人： 金成钟 , 具滋训 , 李宰俊
- 申请人： 株式会社LG化学
- 申请人地址： 韩国首尔
- 专利权人： 株式会社LG化学
- 当前专利权人： 株式会社LG新能源
- 当前专利权人地址： 韩国首尔
- 代理机构： 中原信达知识产权代理有限责任公司
- 代理人： 高伟; 陆弋
- 优先权： 10-2010-0124364 2010.12.07 KR
- 国际申请： PCT/KR2011/009408 2011.12.07
- 国际公布： WO2012/077967 KO 2012.06.14
- 进入国家日期： 2013-06-07
- 主分类号： H01M2/04
- IPC分类号： H01M2/04 ; H01M2/12 ; H01M2/08
A cap assembly according to the present invention is a cap assembly for a secondary battery coupled to an open end of a battery can which does not have a beading portion, wherein the cap assembly comprises: a top cap protruding from the top thereof so as to form an anode terminal; a safety element arranged beneath the top cap such that the safety element contacts the top cap; a safety vent arranged to contact the safety element; a gasket which covers edges of the top cap, the safety element and the safety vent; a cover which covers the gasket to enable the top cap, the safety element and the safety vent to tightly contact together; and a member to be welded, which is arranged on the cover, and which has an outer end protruding further outwardly than the outer end of the cover such that the member to be welded is loaded at the open end of the battery can, wherein the portion of the member to be welded, protruding further outwardly than the outer end of the cover has an upper surface with a first notch such that the portion with the first notch is welded to the open end of the battery can.
公开/授权文献:
- CN103262291B 帽组件和使用该帽组件的二次电池 公开/授权日：2016-08-10