Patent · US Expired

Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery comprising same

US7452632B2 · kind B2 · utility

30Cited by
5References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 2004
Grant dateNov 18, 2008
Priority date
Expiry dateMay 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.