Negative electrode active material for lithium secondary battery, method for manufacturing the same, and lithium secondary battery comprising the same
US11824195B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Feb 18, 2020 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Jan 3, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a negative electrode active material for a lithium secondary battery according to the present invention, including a carbon-based particle including pores in an inner portion and/or a surface thereof; and a silicon-based coating layer positioned on a pore surface and/or a pore-free surface of the carbon-based particle and containing silicon carbon compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.