Negative active material for rechargeable lithium battery and method of preparing same
US7074521B2 · kind B2 · utility
2Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2000 |
| Grant date | Jul 11, 2006 |
| Priority date | — |
| Expiry date | Feb 24, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A negative active material for a rechargeable lithium battery is provided. The negative active material includes a core and a carbon shell formed around the core. The core includes a crystalline carbon, an amorphous carbon or a mixture thereof, and the carbon shell includes an amorphous carbon with a metal selected from a transition metal, a semi-metal, an alkali metal or an alkali earth metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.