Electrode assemblies

Details Electrode assemblies Electrode assemblies

H - Electricity

01

M

H01M 4/90 (2006.01) H01M 4/88 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2098800

A porous electrode suitable for use in a membrane electrode assembly for solid polymer fuel cells comprises a highly dispersed precious metal catalyst an particulate carbon impregnated with proton conducting polymer, and, a further component comprising hydrophobic polymer and a dispersion of particulate carbon, the loading of precious metal being 0.01- 1.0mg/cm2 of geometric electrode area. Said electrode demonstrates high effective platinum surface area and power density output when fabricated into a membrane electrode assembly.

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