Prelithiated negative electrodes including Li—Si alloy particles and methods of manufacturing the same
US11824186B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Apr 2, 2021 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Oct 9, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a method of making a negative electrode for an electrochemical cell of a secondary lithium battery, a precursor mixture is prepared that includes electrochemically active Li—Si alloy particles, electrically conductive carbon particles, and an inert polymer binder dissolved in a nonpolar organic solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.