Positive electrode active material for lithium secondary battery and preparation method thereof
US11594727B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Nov 21, 2018 |
| Grant date | Feb 28, 2023 |
| Priority date | — |
| Expiry date | Feb 23, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Exemplary embodiments of positive electrode active materials in the form of single particles, and a method of preparing each of them, are provided.The single particles of the exemplary embodiments include The single particles include a metal doped in the crystal lattice thereof. One embodiment includes a surface coating.The total content of the metal doped in the crystal lattice thereof and the metal of the metal oxide coated on the surface thereof is controlled in the range of 2500 ppm to 6000 ppm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.