Metal-doped cobalt precursor for preparing positive electrode active material for secondary battery
US11377367B2 · kind B2 · utility
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Key dates
| Filing date | Oct 22, 2020 |
| Grant date | Jul 5, 2022 |
| Priority date | — |
| Expiry date | Oct 22, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a cobalt precursor for preparing a lithium cobalt oxide of a layered structure which is included in a positive electrode active material, wherein the cobalt precursor is cobalt oxyhydroxide (CoM′OOH) doped with, as dopants, magnesium (Mg) and M′ different from the magnesium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.