Method of preparing positive electrode active material for secondary battery and secondary battery using the same
US11437609B2 · kind B2 · utility
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Key dates
| Filing date | Oct 22, 2018 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Apr 20, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of preparing a positive electrode active material includes forming a tungsten-doped lithium transition metal oxide, and washing the lithium transition metal oxide, wherein, in the washing, a hydroxide-based compound is added to a washing liquid during the washing, a positive electrode including a positive electrode active material prepared according to the method, and a lithium secondary battery including the positive electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.