Patent · US Expired

Positive active material for electrochemical cells and electrochemical cells using said material

US4546057A · kind A · utility

8Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 1984
Grant dateOct 8, 1985
Priority date
Expiry dateJul 30, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01M4/5825
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Positive active material (2) for electrochemical cells, characterized by the fact that it is constituted by an anhydrous borate having the formula Bi.sub.4 B.sub.2 O.sub.9. The invention is applicable to cells using lithium as the negative active material and the electrolyte may be solid or liquid.

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