Patent ID: 6840969
Filing Date: 2005-01-11
Classification: H01M,Y02E,Y10T

Abstract:
1. A polymer electrolyte fuel cell, comprising: an electrolyte membrane-electrode assembly including a polymer electrolyte membrane whose peripheral portion is covered with a gasket made of a seal material, an anode joined to one surface of said electrolyte membrane, and a cathode joined to the other surface of said electrolyte membrane; an anode-side conductive separator plate and a cathode-side conductive separator plate, sandwiching said electrolyte membrane-electrode assembly therebetween; and gas supply means for supplying a fuel gas and an oxidant gas to said anode and said cathode, respectively, wherein said electrolyte membrane has a sequence of a plurality of through-holes in the peripheral portion thereof, and a portion of said gasket covering one surface of said electrolyte membrane and a portion covering the other surface thereof are connected to each other through the through-holes of said electrolyte membrane.