Cathode active material for lithium secondary battery and lithium secondary battery including the same
US9595710B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Sep 24, 2014 |
| Grant date | Mar 14, 2017 |
| Priority date | — |
| Expiry date | Mar 12, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a cathode active material for lithium secondary batteries and a lithium secondary battery including the same and, more particularly, the present invention relates to a cathode active material for lithium secondary batteries that includes a mixture of an overlithiated transition metal oxide represented by Formula 1 below and a lithium composite transition metal oxide represented by Formula 2 below:Li1+aNibMncCo1-(a+b+c+d)MdO2-sAs (1)LiNixMnyCo1-(x+y+z)M′zO2-tA′t (2)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.