Electrolytes and methods for using the same
US10573879B2 · kind B2 · utility
25Cited by
19References
14Claims
0Family size
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Key dates
| Filing date | Feb 9, 2015 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | May 22, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In an example of a method for enhancing the performance of a silicon-based negative electrode, the silicon-based negative electrode is pre-lithiated in an electrolyte including a lithium salt dissolved in a solvent mixture of dimethoxyethane (DME) and fluoroethylene carbonate (FEC). The DME and FEC are present in a volume to volume ratio ranging from 10 to 1 to 1 to 10. The pre-lithiation forms a stable solid electrolyte interface layer on an exposed surface of the negative electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.