Negative electrode active material
US10833325B2 · kind B2 · utility
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3References
11Claims
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Key dates
| Filing date | Nov 1, 2016 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | May 10, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/133
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A negative electrode active material is composed of a silicon material coated with a carbon layer containing a Group 4 to 6 metal.A method for producing a negative electrode active material includes a step of decomposing a compound containing the Group 4 to 6 metal and a carbon source by heating in the presence of a silicon material, the compound, and the carbon source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.