发明名称 |
WOUND NONAQUEOUS SECONDARY BATTERY AND ELECTRODE PLATE USED THEREIN |
摘要 |
To provide a non-aqueous secondary battery having a capacity as high as that of a conventional battery using a conventional resin separator and achieving excellent overcharge characteristics and excellent resistance to external short-circuit, a combined electrode plate for a spirally-wound electrode group for a non-aqueous secondary battery including a current collector, an active material layer carried on the current collector and a multi-layer porous membrane carried on the active material layer is used. The multi-layer porous membrane includes a first porous membrane and a second porous membrane. The first porous membrane contains metal oxide particles and a first binder. The second porous membrane contains resin particles and a second binder. The thickness of the multi-layer porous membrane is preferably 15 to 25 µm. |
申请公布号 |
EP1753056(A1) |
申请公布日期 |
2007.02.14 |
申请号 |
EP20050741291 |
申请日期 |
2005.05.20 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
OHATA, TSUMORU;NAKAJIMA, JUNJI |
分类号 |
B05D5/12;H01M2/16;H01M2/18;H01M4/13;H01M4/139;H01M10/052;H01M10/0587;H01M10/36 |
主分类号 |
B05D5/12 |
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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