Cathode active material for lithium secondary battery and method for manufacturing the same
US9972834B2 · kind B2 · utility
4Cited by
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11Claims
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Key dates
| Filing date | Jun 18, 2014 |
| Grant date | May 15, 2018 |
| Priority date | — |
| Expiry date | Mar 29, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a cathode active material for a lithium secondary battery with improved rate characteristics in which a spinel surface structure is formed by fluorine coating on a surface of layered lithium nickel-manganese-cobalt cathode active material and a method for manufacturing the same, and according to the present disclosure, there is provided a lithium secondary battery with improved rate characteristics that may be charged to a capacity close to a full charge in a short time when compared to a related art and thus is suitable for high capacity of a secondary battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.