Gel polymer electrolyte and electrochemical device comprising the same
US11233270B2 · kind B2 · utility
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2References
18Claims
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Key dates
| Filing date | Apr 25, 2019 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Apr 25, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present application relates to a gel polymer electrolyte and an electrochemical device comprising the gel polymer electrolyte. The gel polymer electrolyte according to the present application comprises a polymer film and an organic electrolytic solution comprising a lithium salt, a phosphate ester compound, and a fluoroether compound. The gel polymer electrolyte according to the present application has higher ionic conductivity and better electrochemical stability, and is capable of significantly improving the safety and cycle performance of the electrochemical device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.