Patent · US Expired

Rechargeable battery cell having surface-treated lithiated intercalation positive electrode

US5705291A · kind A · utility

113Cited by
5References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 1996
Grant dateJan 6, 1998
Priority date
Expiry dateApr 10, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49115
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A rechargeable lithiated intercalation battery cell having reduced self-discharge comprises a negative electrode, a nonaqueous electrolyte, and a positive electrode wherein the surfaces of the aggregate lithiated intercalation composition particulates comprising the positive cell electrode have been coated with a passivating layer of a composition comprising a borate, lithiated borate, aluminate, lithiated aluminate, silicate, lithiated silicate, or mixtures thereof.

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