Cathode active material exhibiting improved property in high voltage
US8945770B2 · kind B2 · utility
19Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2009 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Jan 6, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a cathode active material including a lithium transition metal oxide based on at least one transition metal selected from a group consisting of Ni, Mn and Co. The lithium transition metal oxide contains fluorine, and most of the fluorine is present on a surface of the lithium transition metal oxide, and at least one metal selected from a group consisting of Mg, Ti, Zr, Al and Fe as well as sulfur (S) are further contained in the lithium transition metal oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.