发明名称 |
Battery comprising a flange formed at a peripheral edge and a protection circuit attached to the flange |
摘要 |
A battery can 2 is composed of a can body 3 having a concave portion 31 for accommodating an electrode body 5, and a metal cover 4 for sealing an opening end of the concave portion 31 of the can body 3. The can body 3 is formed in a plate shape by subjecting a metal plate to shallow drawing. A flange 32 is provided at a peripheral edge portion of the opening end of the can body 3, which is bonded to be integrated with the metal cover 4 to keep an air-tight and liquid-tight state in the concave portion 31.
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申请公布号 |
US7524578(B2) |
申请公布日期 |
2009.04.28 |
申请号 |
US20040482701 |
申请日期 |
2004.01.02 |
申请人 |
HITACHI MAXELL, LTD. |
发明人 |
SOMATOMO YOSHIKI;WATANABE OSAMU;TANAKA MASATOSHI |
分类号 |
H01M2/02;H01M2/08;H01M2/04;H01M2/10;H01M2/12;H01M2/30;H01M10/04;H01M10/34;H01M10/42 |
主分类号 |
H01M2/02 |
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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