Precursor of a cathode active material for a lithium secondary battery, cathode active material, method for manufacturing the cathode active material, and lithium secondary battery including the cathode active material
US9543571B2 · kind B2 · utility
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Key dates
| Filing date | Sep 18, 2012 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Apr 5, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a precursor for a rechargeable lithium battery, a positive active material including the same, a preparation method thereof, and a rechargeable lithium battery including the positive active material. More particularly, the present invention relates to a precursor including a sheet-shaped plate having a thickness of about 1 nm to about 30 nm and that is represented by the following Chemical Formula 1.NixCoyMn1-x-y-zMz(OH)2 [Chemical Formula 1]In the above Chemical Formula 1,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.