Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery comprising same
US7452632B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2004 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | May 1, 2026 |
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, a method for making the negative active material, and a rechargeable lithium battery including a carbonaceous material, which is capable of reversibly intercalating and deintercalating lithium, and particles of a metal or a metal compound or mixtures thereof, distributed in the carbonaceous material, the metal or the metal compound being capable of forming an alloy with lithium during electrochemical charging and discharging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.