The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 1990
Filed:
May. 24, 1989
Applicant:
Inventor:
Johan Coetzer, Pretoria, ZA;
Assignee:
Lilliwyte Societe Anonyme, Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429103 ; 296231 ;
Abstract
An electrochemical cell has a molten alkali metal anode separated by a separator which is a conductor of anode ions from an alkali metal aluminium halide molten electrolyte which couples the anode to a cathode having an active material comprising Fe, Ni, Co, Cr and/or Mn. The molten electrolyte is doped by a dopant M.sub.2 X, MY or M.sub.A Z in which M is the anode metal, X, Y and Z are respectively anions which are divalent, monovalent and polyvalent. The dopant acts to reduce the Lewis acidity of the molten electrolyte.