| 摘要 |
PROBLEM TO BE SOLVED: To provide nonaqueous electrolytic liquid additive that can sufficiently enhance the charge/discharge cycle characteristic, nonaqueous electrolytic liquid containing the additive, and a lithium ion secondary battery having the electrolytic liquid.SOLUTION: There are provided nonaqueous electrolytic liquid additive containing unsaturated sulfonic acid silyl ester represented by formula (1), nonaqueous electrolytic liquid containing the nonaqueous electrolytic liquid additive, and a lithium ion secondary battery having the nonaqueous electrolytic liquid.SELECTED DRAWING: None |
