发明名称 |
GEL ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERY |
摘要 |
An object of the present invention is to provide a gel electrolyte for a lithium ion secondary battery having flame retardancy over a long period and a good capacity maintenance rate. The gel electrolyte for a lithium ion secondary battery according to the exemplary embodiment contains a lithium salt, a copolymer of at least one first monomer selected from compounds represented by chemical formulae (1) and (2) and a second monomer represented by chemical formula (4), at least one oxo-acid ester derivative of phosphorus selected from compounds represented by chemical formulae (5) to (7), and at least one disulfonate ester selected from a cyclic-chain type disulfonate ester represented by chemical formula (8) and a linear-chain type disulfonate ester represented by chemical formula (9). |
申请公布号 |
EP2660921(B1) |
申请公布日期 |
2016.10.19 |
申请号 |
EP20110853432 |
申请日期 |
2011.12.22 |
申请人 |
NEC ENERGY DEVICES, LTD. |
发明人 |
KANEKO, SHINAKO;KONO, YASUTAKA;ISHIKAWA, HITOSHI |
分类号 |
H01M10/0525;H01M10/0565 |
主分类号 |
H01M10/0525 |
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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