发明名称 |
CAP ASSEMBLY AND SECONDARY BATTERY USING SAME |
摘要 |
A cap assembly for a secondary battery is coupled to an open end of a battery can receiving an electrode assembly in which a separator is interposed between cathode and anode plates, and includes a top cap disposed on an uppermost portion in a protrusive form to form a cathode terminal; a safety element disposed below the top cap to contact the top cap; a safety vent disposed to contact the safety element; a current intercepting member having an upper portion welded to a lower end of the safety vent and a lower portion capable of being connected to the electrode assembly; a first gasket surrounding an outer circumference of the current intercepting member; and a second gasket surrounding the rims of the top cap, the safety element, and the safety vent, and a lower end portion extending to surround the lower portion of the current intercepting member. |
申请公布号 |
EP2482358(A4) |
申请公布日期 |
2016.06.01 |
申请号 |
EP20100850922 |
申请日期 |
2010.11.08 |
申请人 |
LG CHEM, LTD. |
发明人 |
LEE, JE-JUN;KIM, SUNG-JONG;KU, CHA-HUN |
分类号 |
H01M2/08;H01M2/12;H01M2/34 |
主分类号 |
H01M2/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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