发明名称 |
Lithium secondary battery |
摘要 |
Provided is a lithium secondary battery which is stable to penetration of a sharp object, which may occur by external impact. The lithium secondary battery comprises an electrode assembly which is formed by winding a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate; and a can for receiving the electrode assembly, wherein according to one embodiment the separator is formed of a ceramic material, a polarity of the first electrode plate is opposite to that of the can, and the outermost part of the first electrode plate is disposed further outside than the outermost part of the second electrode plate. |
申请公布号 |
EP2048736(B1) |
申请公布日期 |
2010.09.22 |
申请号 |
EP20080165876 |
申请日期 |
2008.10.06 |
申请人 |
SAMSUNG SDI CO., LTD. |
发明人 |
HWANG, CHEOLHEE;LIM, WANMOOK;BAK, HYORIM;LEE, MYUNGRO;CHANG, YOUNGCHURL |
分类号 |
H01M2/16;H01M10/42;H01M2/18;H01M4/13;H01M4/66;H01M4/70;H01M10/052;H01M10/0587;H01M10/38 |
主分类号 |
H01M2/16 |
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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