Positive electrode active material
US9287554B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Aug 22, 2011 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | Sep 19, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a positive electrode active material. The positive electrode active material is represented by the following formula (I) and has a BET specific surface area of larger than 5 m2/g and not larger than 15 m2/g:LixM1yM31-yO2 (I)wherein M1 is at least one transition metal element selected from Group 5 elements and Group 6 elements of the Periodic Table, M3 is at least one transition metal element other than M1 and selected from among transition metal elements excluding Fe, x is not less than 0.9 and not more than 1.3, and y is more than 0 and less than 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.