Positive electrode active material for lithium secondary battery and preparation method thereof
US11967714B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2023 |
| Grant date | Apr 23, 2024 |
| Priority date | — |
| Expiry date | Jun 27, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A positive electrode active material in the form of a single particle and a lithium secondary battery containing the positive electrode active material thereof are provided. The positive electrode active material has a nickel-based lithium composite metal oxide single particle. The single particle has a plurality of crystal grains. An average particle size (D50) of the single particle is from 3.5 μm to 8 μm. The single particle includes a metal doped in the crystal lattice thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.