Cathode active material, cathode including the cathode active material, lithium battery employing the cathode, and method of preparing the same
US8722250B2 · kind B2 · utility
12Cited by
1References
17Claims
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Key dates
| Filing date | Jul 19, 2010 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Apr 6, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cathode active material including: a lithium metal oxide core represented by Formula 1 below; and an oxide coating layer formed on the lithium metal oxide core:Li[LixMeyMz]O2+d. <Formula 1>In Formula 1: x+y+z=1 (0<x<0.33 and 0<z<0.1); 0≦d≦0.1; Me includes at least one metal selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, and B; and M includes at least one metal selected from the group consisting of Mo, W, Ir, Ni, and Mg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.