Composite anode active material, method of preparing the composite anode material, and lithium secondary battery comprising the composite anode active material
US11682757B2 · kind B2 · utility
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2References
13Claims
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Key dates
| Filing date | Nov 3, 2017 |
| Grant date | Jun 20, 2023 |
| Priority date | — |
| Expiry date | Mar 21, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a composite anode active material including: a carbonaceous material; a metal alloyable with lithium, located on a surface of the carbonaceous material; and a silicon coating layer located on a surface of the carbonaceous material, on a surface of the metal alloyable with lithium, or a combination thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.