Electrolyte solution for lithium ion secondary battery, lithium ion secondary battery, fluoroalkane derivative and gelling agent
US8399136B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 8, 2011 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Aug 8, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The electrolyte solution for a lithium ion secondary battery according to the present invention contains a nonaqueous solvent, a lithium salt and a compound represented by the general formula (Z) shown below. Thereby, a lithium ion secondary battery having high battery characteristics and simultaneously achieving a high safety as well can be provided.R—SO2—Ar1—O—R1 (Z)wherein Ar1 denotes a substituted or nonsubstituted divalent aromatic group having 5 to 30 atoms of the nucleus(es); R1 denotes a saturated or unsaturated monovalent hydrocarbon group having 1 to 20 carbon atoms; and R denotes a saturated or unsaturated monovalent hydrocarbon group having a perfluoroalkyl group and having 2 to 22 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.