Cathode active material, cathode and lithium battery including the same, and method of preparing the cathode active material
US10243210B2 · kind B2 · utility
2Cited by
1References
25Claims
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Key dates
| Filing date | May 12, 2016 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Apr 22, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cathode active material includes a core capable of intercalating and deintercalating lithium ions; and a coating layer on at least a portion of the core, wherein the coating layer includes a composite including a metal oxide compound and a phosphate compound, the metal oxide compound is at least one compound selected from a lithium metal oxide and a metal oxide, the phosphate compound is at least one compound selected from a lithium phosphate, a lithium metal phosphate, and a metal phosphate, and a weight ratio of the metal oxide compound to the phosphate compound is from greater than 0 to about 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.