Nonaqueous electrolytic solution containing glycol sulfate derivative and fluoroethylene carbonate and lithium ion secondary battery containing the same

摘要

A nonaqueous electrolytic solution includes a cyclic carbonate and a chain carbonate, and contains a glycol sulfate derivative represented by formula (I) below and fluoroethylene carbonate:;
[wherein each of R1 and R2 independently represents at least one selected from the group consisting of a hydrogen atom and a hydrocarbon group having 1 to 5 carbon atoms].

主权项

1. A nonaqueous electrolytic solution comprising:
a cyclic carbonate and a chain carbonate; a glycol sulfate derivative represented by formula (I) below; and fluoroethylene carbonate:wherein:
each of R1 and R2 independently represents at least one selected from the group consisting of a hydrogen atom and a hydrocarbon group having 1 to 5 carbon atoms; the glycol sulfate derivative is present in an amount in a range of from 1 to 4 wt. %; and the fluoroethylene carbonate is present in an amount in a range of from 1 to 3 wt. %.