Patent ID: 6753108
Filing Date: 2004-06-22
Classification: B01J,B22F,B82Y,C01B,C01G,C01P,C22C,H01L,H01M,H05K,Y02E,Y02P,Y10T

Abstract:
A battery comprising an anode and a cathode, wherein said cathode comprises:a) a gas diffusion layer; b) a current collector disposed on said gas diffusion layer; c) a carbon conductor layer disposed on said current collector wherein said carbon conductor layer comprises carbon particles dispersed in hydrophobic matrix; and d) an electrocatalyst layer comprising electrocatalyst particles dispersed throughout a matrix having a lower hydrophobicity than said hydrophobic matrix, wherein said current collector, said carbon conductor layer and said electrocatalyst layer have a total average thickness of not greater than about 100 &mgr;m.