Positive electrode active material having magnesium atoms and sulfate groups, method for manufacturing the same, and lithium secondary battery having the same
US8003256B2 · kind B2 · utility
23Cited by
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2Claims
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Key dates
| Filing date | Jul 16, 2008 |
| Grant date | Aug 23, 2011 |
| Priority date | — |
| Expiry date | Jul 16, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A positive electrode active material for a lithium secondary battery according to an aspect of the present invention is a lithium-transition metal compound oxide which is produced by mixing a lithium compound, a transition metal compound, a magnesium compound, and a sulfate and conducting firing and which contains magnesium atoms and sulfate groups, wherein a magnesium halide is used as the magnesium compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.