CPC H01M 4/8657 (2013.01) [H01M 4/926 (2013.01); H01M 8/04149 (2013.01); H01M 8/1004 (2013.01); H01M 2008/1095 (2013.01)] | 15 Claims |
1. A fuel cell membrane electrode assembly, comprising:
a polyelectrolyte film, and two electrocatalyst layers sandwiching the polyelectrolyte film;
at least one of the two electrocatalyst layers comprises catalyst support particles with a hydrophobic coating, a polyelectrolyte, and a fibrous material having an average fiber diameter that is 10 nm or more and 300 nm or less; and,
the fibrous material has a mass that is 0.2 times or more and 1.0 times or less the mass of a carrier in the catalyst support particles.
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