Negative electrode active material, method for preparing same, secondary battery and apparatus including the secondary battery
US11901557B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Dec 10, 2021 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | May 25, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present application discloses a negative electrode active material and a method for preparing the same, a secondary battery, and an apparatus including the secondary battery. The negative electrode active material includes a core and a coating layer covering the surface of the core, the core includes artificial graphite, the coating layer includes amorphous carbon, and the particle size uniformity of the negative electrode active material is from 0.25 to 0.45.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.