Patent ID: 6117590
Filing Date: 2000-09-12
Classification: H01B,H01M,Y02E,Y10T

Abstract:
A method of forming a composite cathode, which method comprises the step of:coating an electrically conducting cathode substrate with a mixture comprising an amount of an electrochemically active polyacetylene-co-polysulfur material effective to provide cathode activity, wherein said polyacetylene-co-polysulfur material in its oxidized state is of the general formula I[--C.sub.2 S.sub.x --].sub.n Iwherein x ranges from greater than 1 to about 100, and n is greater than or equal to 2; andwherein said polyacetylene-copolysulfur material is obtained from the polymerization of acetylene in the presence of a metal amide and sulfur.