The application discloses a process for producing a membrane-electrode assembly for solid polymer electrolyte fuel cells comprising a polymer electrolyte membrane, and a cathode and an anode facing each other with the polymer electrolyte membrane interpose...

In order to provide a membrane electrode assembly and a fuel cell in which the thickness of the solid polymer electrolyte membrane is thin by enhancing self-protection of the solid polymer electrolyte membrane, a membrane electrode assembly (20) comprises ...