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US 2013/0260261 A1Published application
Nonaqueous electrolytic solution and lithium ion secondary battery
AssigneeTDK Corporation
InventorsKenta KOTANI, Atsushi SANO
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Abstract
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].
Claims8
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].
2 more elements
A lithium ion secondary battery comprising:
- a positive electrode;
- a negative electrode;
- a separator;
- and
- a nonaqueous electrolytic solution, wherein the nonaqueous electrolytic solution includes a cyclic carbonate and a chain carbonate, and further 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].
3 more elements
Dependencies are inferred from the claim text.