Patent ID: 6620547
Filing Date: 2003-09-16
Classification: H01M,Y02E

Abstract:
A composite cathode containing a current collector made of an electrically conductive substrate and a composition placed on said current collector, said composition comprising:a) at least one of a transition metal salt of the formula MXn, wherein M is a transition metal selected from the group consisting of Fe, Ni, Co, Cr, V, Mo and W, X is chlorine (Cl), and n is an integral number between 1 to 6; b) a matrix polymer which has a basic functional group with affinity for the transition metal species, and said group is selected from i) the group consisting of halogen, nitrile, carboalkoxy, carbohydroxy, pyrrolidonyl and pyridinyl functional groups; ii) the group consisting of ether, imine, sulfide and sulfone functional group; and iii) the group consisting of polyaniline, polypyrrole and polythiophene.