Patent · US Expired

Lithium secondary battery

US6368750B1 · kind B1 · utility

14Cited by
7References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 1999
Grant dateApr 9, 2002
Priority date
Expiry dateJul 7, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/70
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A lithium secondary battery has small internal resistance and has good charge-discharge cycle characteristics, with a lithium transition metal compound being used as a positive active material. A portion of transition element Me in a lithium transition metal compound LiMeXOY to be used as a positive active material is substituted by not less than two substitution elements M selected from the group consisting of Li, Fe, Mn, Ni, Mg, Zn, B, Al, Co, Cr, Si, Ti, Sn, P, V, Sb, Nb, Ta, Mo, and W. To provide LiMZMeN-ZOY wherein M≠Me .

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.