A solid polymer electrolyte fuel cell having a cation exchange membrane made of a perfluorocarbon polymer having sulfonic acid groups as an electrolyte, wherein the cation exchange membrane has been stretched and has a larger surface area, preferably a 5-1...

A method for fabricating a membrane-electrode assembly, and fuel cells adopting a membrane-electrode assembly formed by the method are provided. The membrane-electrode assembly fabricating method includes: coating nano-sized catalytic metal particles 23 on...