发明名称 |
LITHIUM ION SECONDARY BATTERY |
摘要 |
The present invention is a lithium ion secondary battery comprising a positive electrode and a non-aqueous electrolyte solution comprising a non-aqueous electrolyte solvent, wherein the positive electrode comprises a positive electrode active material having an operating potential at 4.5 V or higher versus lithium metal, the non-aqueous electrolyte solvent comprises a fluorinated phosphate ester represented by a predetermined formula and at least one selected from the group consisting of sulfone compounds represented by predetermined formulae, and the sulfone compound is included in an amount of 5 volume% or more in the non-aqueous electrolyte solvent. |
申请公布号 |
EP2924796(A4) |
申请公布日期 |
2016.05.18 |
申请号 |
EP20130856347 |
申请日期 |
2013.11.18 |
申请人 |
NEC CORPORATION |
发明人 |
SASAKI, HIDEAKI;NOGUCHI, TAKEHIRO;KATOU, YUUKOU;TAKAHASHI, MAKIKO |
分类号 |
H01M4/505;H01M4/131;H01M4/525;H01M4/62;H01M10/052;H01M10/0567;H01M10/0568;H01M10/0569 |
主分类号 |
H01M4/505 |
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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