Patent · US Expired

Positive electrode active material for lithium secondary battery method of producing

US5795558A · kind A · utility

54Cited by
10References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 9, 1997
Grant dateAug 18, 1998
Priority date
Expiry dateOct 9, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A positive electrode active material for a lithium secondary battery is made of LiNi.sub.1-x-y-z Co.sub.x Mn.sub.y Al.sub.z O.sub.2, in which x, y and z satisfy relations of 0.ltoreq.y.ltoreq.0.3, 0.ltoreq.x.ltoreq.0.25, 0.ltoreq.z.ltoreq.0.15.

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