Patent ID: 8557470
Filing Date: 2013-10-15
Classification: H01M,Y02E,Y02P

Abstract:
1. A membrane/electrode assembly for a polymer electrolyte fuel cell, comprising: an anode having an anode catalyst layer comprising an anode catalyst and an ion-exchange resin; a cathode having a cathode catalyst layer comprising a cathode catalyst and an ion-exchange resin; and a polymer electrolyte membrane disposed between the anode and the cathode, wherein the anode catalyst is one of platinum and a platinum alloy supported on a carbon support, the platinum or platinum alloy in the anode catalyst is in an amount of from 1 to 25 mass %, the anode catalyst layer has a thickness in a range of from 1 to 30 μm, the anode catalyst layer includes fine particles made of at least one member selected from the group consisting of iridium oxide, iridium, ruthenium oxide and ruthenium, the fine particles have a specific surface area in a range of from 2 to 50 m