Negative active material for rechargeable lithium battery, and rechargeable lithium battery including same
US12355068B2 · kind B2 · utility
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Key dates
| Filing date | Nov 13, 2020 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | May 26, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative active material including secondary particles of agglomerated primary particles, the primary particles including Si particles and a first ceramic oxide on a surface of the Si particles; and amorphous carbon, wherein the amorphous carbon surrounds a surface of the primary particles and a surface of the secondary particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.