MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL

Japanese Patent JP2022023117

A

SOLUTION: A membrane electrode assembly to be disclosed includes a catalyst layer, a gas diffusion layer, and an electrolyte membrane. The catalyst layer comprises fibrous carbon materials, catalyst particles, particulate carbon materials, and proton conductive resin. The fibrous carbon materials comprise first fibrous carbon materials oriented along a first principal surface and second fibrous carbon materials oriented along a thickness direction of the catalyst layer. At least one of R3