Patent ID: 8309269

Claim:
A fuel cell comprising: a membrane-electrode assembly including a polymer electrolyte membrane, a first anode catalyst layer and an anode gas diffusion layer sequentially stacked on one of main surfaces of the polymer electrolyte membrane, a second anode catalyst layer disposed between the polymer electrolyte membrane and the first anode catalyst layer, and a cathode catalyst layer and a cathode gas diffusion layer sequentially stacked on the other main surface of the polymer electrolyte membrane; a plate-shaped anode separator having one main surface on which an anode gas channel is formed, and disposed such that the main surface on which the anode gas channel is formed contacts the anode gas diffusion layer; and a plate-shaped cathode separator having one main surface on which a cathode gas channel is formed, and disposed such that the main surface on which the cathode gas channel is formed contacts the cathode gas diffusion layer, wherein: the second anode catalyst layer contains a first sulfur compound adsorption catalyst which adsorbs a sulfur compound; the first sulfur compound adsorption catalyst is formed by a metal which dissociates and adsorbs the sulfur compound and is supported by a catalyst carrier formed by a metal oxide; and an operating temperature of the fuel cell is higher than each of a dew point of a fuel gas flowing through the anode gas channel and a dew point of an oxidizing gas flowing through the cathode gas channel.