Patents Assigned to Saft, S.A.
  • Positive active material for electrochemical cells and electrochemical cells using said material
    Patent number: 4546057
    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.
    Type: Grant
    Filed: July 30, 1984
    Date of Patent: October 8, 1985
    Assignee: Saft, S.A.
    Inventors: Michel Broussely, Andre Lecerf