发明名称 |
NONAQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME |
摘要 |
The present invention provides (1) a sulfone compounds having a propargyl group, (2) a nonaqueous electrolytic solution for lithium secondary batteries, which comprises an electrolyte salt dissolved in a nonaqueous solvent and contains a sulfone compound having a specific structure that has an SO 2 group with a propargyl group or a vinyl group bonding thereto, in an amount of from 0.01 to 10 % by weight of the nonaqueous electrolytic solution, and which can prevent gas generation and is excellent in battery characteristics such as cycle property and the like, and (3) a lithium secondary battery comprising a positive electrode, a negative electrode and a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, wherein the nonaqueous electrolytic solution contains a sulfone compound having a specific structure, in an amount of from 0.01 to 10 % by weight of the nonaqueous electrolytic solution. |
申请公布号 |
EP2138481(A4) |
申请公布日期 |
2011.11.30 |
申请号 |
EP20080740436 |
申请日期 |
2008.04.15 |
申请人 |
UBE INDUSTRIES, LTD. |
发明人 |
ABE, KOJI;MIYOSHI, KAZUHIRO;USHIGOE, YOSHIHIRO;TAKASE, MANABU;KAWABE, KAZUYUKI |
分类号 |
C07C317/18;C07C317/08;H01M10/36 |
主分类号 |
C07C317/18 |
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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