Cathode active material for lithium secondary battery, cathode and lithium secondary battery comprising same, and manufacturing method thereof
US11646409B2 · kind B2 · utility
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Key dates
| Filing date | Sep 23, 2019 |
| Grant date | May 9, 2023 |
| Priority date | — |
| Expiry date | Aug 16, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided are a cathode active material for a lithium secondary battery, a cathode and a lithium secondary battery each including the same, and a method of manufacturing the same. The cathode active material for a lithium secondary battery includes a core including a lithium metal oxide and a coating layer formed on a surface and the inner grain boundaries of the core, wherein the coating layer includes a metal sulfide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.