发明名称 |
POLYMER SECONDARY BATTERY AND METHOD FOR PRODUCING SAME |
摘要 |
There is provided a polymer secondary battery using silicon and silicon oxide as a negative electrode active material that shows a high capacity retention rate also when a charge and discharge cycle is repeated. A polymer secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a polymer-containing gel electrolyte, wherein the negative electrode includes silicon and silicon oxide as a negative electrode active material, and the polymer-containing gel electrolyte is present in voids formed by fine division of particles of the negative electrode active material. |
申请公布号 |
EP2538485(A4) |
申请公布日期 |
2014.07.09 |
申请号 |
EP20110744739 |
申请日期 |
2011.02.18 |
申请人 |
NEC ENERGY DEVICES, LTD. |
发明人 |
KAJITA, TETSUYA;KONO, YASUTAKA;KASAHARA, RYUICHI;IRIYAMA, JIRO;NUMATA, TATSUJI |
分类号 |
H01M10/058;H01M2/02;H01M4/04;H01M4/134;H01M4/1395;H01M4/36;H01M4/38;H01M4/48;H01M4/62;H01M10/052;H01M10/0565 |
主分类号 |
H01M10/058 |
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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