发明名称 |
SECONDARY BATTERY |
摘要 |
The object of an exemplary embodiment of the invention is to provide a secondary battery which contains a positive electrode active material operating at a potential of 4.5 V or higher and which has good cycle property at a high temperature. An exemplary embodiment of the invention is a secondary battery, comprising a positive electrode that can absorb and desorb lithium and an electrolyte liquid; wherein the positive electrode comprises a positive electrode active material that operates at a potential of 4.5 V or higher with respect to lithium; and wherein the electrolyte liquid comprises a fluorinated ether represented by a prescribed formula and a cyclic-type sulfonate represented by a prescribed formula. |
申请公布号 |
EP2690700(A4) |
申请公布日期 |
2014.09.03 |
申请号 |
EP20110861599 |
申请日期 |
2011.09.22 |
申请人 |
NEC CORPORATION |
发明人 |
UEHARA, MAKIKO;NOGUCHI, TAKEHIRO;SASAKI, HIDEAKI |
分类号 |
H01M10/0569;H01M4/02;H01M4/13;H01M4/505;H01M4/525;H01M10/052;H01M10/0567 |
主分类号 |
H01M10/0569 |
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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