Patent ID: 8906573
Filing Date: 2014-12-09
Classification: H01M,Y02E

Abstract:
1. A reinforced solid polymer electrolyte composite membrane for a solid polymer fuel cell having an anode side and a cathode side, comprising two or more polymer electrolyte membranes and one or more layers of a sheet-like porous reinforcing member, wherein said polymer electrolyte membranes provide both said anode side and said cathode side of said composite membrane, and pores in said sheet-like porous reinforcing member are substantially filled with electrolyte from said polymer electrolyte membranes, and wherein said sheet-like porous reinforcing member contains a peroxide decomposition catalyst, wherein said two or more polymer electrolyte membranes have different thicknesses from each other, one thinner and one thicker, and wherein said thinner polymer electrolyte membrane is on said cathode side.