Energy storage element, method of producing energy storage element, and non-aqueous electrolyte
US8986881B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Jan 11, 2013 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Apr 14, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An energy storage element, wherein a non-aqueous electrolyte contains lithium difluorobis(oxalato)phosphate that is a first additive represented by Formula (1):andlithium tetrafluorooxalatophosphate that is a second additive represented by Formula (2):wherein the amount of the first additive to be added is not less than 0.3% by weight and not more than 1.0% by weight based on the total weight of the non-aqueous electrolyte, and the amount of the second additive to be added is not less than 0.05 times and not more than 0.3 times the amount of the first additive to be added.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.