Cathode active material and lithium secondary battery comprising the same
US9831493B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Apr 18, 2013 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | Jun 5, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a cathode active material comprising a lithium manganese composite oxide with a spinel structure represented by the following Formula 1, wherein the lithium manganese composite oxide is surface-coated with a conductive polymer in an area of 30 to 100%, based on the surface area of the lithium manganese composite oxide:LixMyMn2-yO4-zAz (1) Disclosed is also a secondary battery comprising the cathode active material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.