Patent ID: 8338050

Claim:
A membrane electrode assembly for a fuel cell comprising: an anode including a catalyst and a solid polymer electrolyte; a cathode including a catalyst and a solid polymer electrolyte; a solid polymer electrolyte membrane interposed between the anode and the cathode; an anode gas diffusion layer; and a cathode gas diffusion layer, a set composed of the anode, the cathode and the solid polymer electrolyte membrane being interposed between the anode gas diffusion layer and the cathode gas diffusion layer, wherein the cathode gas diffusion layer is impregnated with a mixture of a hazardous material oxidation catalyst and a water-repellent resin, wherein the oxidation catalyst is an element selected from the group consisting of platinum, palladium, copper, silver, tungsten, molybdenum, iron, nickel, cobalt, manganese, zinc and vanadium, wherein the cathode gas diffusion layer includes a first layer without the oxidation catalyst and a second layer with the oxidation catalyst, and the first layer is interposed between the cathode and the second layer.