Fluorine doped lithium rich metal oxide positive electrode battery materials with high specific capacity and corresponding batteries
US8916294B2 · kind B2 · utility
5Cited by
41References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2009 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Aug 5, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Lithium rich metal oxyfluorides are described with high specific capacity and, good cycling properties. The materials have particularly good high rate capabilities. The fluorine dopant can be introduced in a low temperature process to yield the materials with desirable cycling properties. In some embodiments, the positive electrode active materials have a composition represented approximately by the formula Li1+xNiαMnβCoγAδO2−zFz where:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.