Cathode active material and lithium secondary battery comprising the same
US9111662B2 · kind B2 · utility
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4References
9Claims
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Assignee
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Key dates
| Filing date | Apr 18, 2013 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Sep 17, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is cathode active material comprising a combination of a lithium manganese composite oxide having a spinel structure represented by the following Formula 1 with a lithium nickel composite oxide represented by the following Formula 2, the cathode active material having a broad potential region at 3.0 to 4.8V upon initial charge: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.