Patent · US Expired

Non-aqueous electrolyte lithium secondary battery

US5631105A · kind A · utility

32Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1996
Grant dateMay 20, 1997
Priority date
Expiry dateMay 22, 2016

Classification

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

Abstract

A non-aqueous electrolyte secondary battery having a low manufacturing cost and a high energy density and being excellent in the high rate charge/discharge characteristic and in the characteristics in operation at high temperature provided by an improvement on its positive electrode active material is disclosed. The positive electrode active material comprises a specific compound wherein a part of nickel or lithium in LiNiO.sub.2 is substituted with another element in a specified range. The element for the substitution comprises Mg, Ca, Sr, Ba, Al Cr, B and Co which may be employed solely or in combination.

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