Positive electrode active material for lithium secondary battery including lithium cobalt oxide having core-shell structure, method for producing the same, and positive electrode and secondary battery including the positive electrode active material
US11038159B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Jan 26, 2018 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | Jun 16, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a positive electrode active material for a lithium secondary battery including a lithium cobalt oxide having a core-shell structure, wherein the lithium cobalt-doped oxide of the core and the lithium cobalt-doped oxide of the shell include each independently three kinds of dopants and satisfy specific conditions, a method for producing the same, and a positive electrode and a secondary battery containing the positive electrode active material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.