Powder for use in the negative electrode of a battery and a battery comprising such a powder
US12424612B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Oct 5, 2020 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Oct 5, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A powder for use in a negative electrode of a battery, said powder comprising particles, wherein the particles comprise a carbonaceous matrix material and silicon-based domains dispersed in the carbonaceous matrix material, wherein the particles further comprise pores wherein at least 1000 cross-sections of pores comprised in a cross-section of the powder satisfy optimized conditions of size and size distribution, allowing the battery containing such a powder to achieve a superior cycle life and a production method of such a powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.