Edge-protected catalyst-coated membrane electrode assemblies

Details Edge-protected catalyst-coated membrane electrode assemblies Edge-protected catalyst-coated membrane electrode assemblies

2011-07-12

2011-07-12

Michener, Jennifer (Department: 1728)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Grouping of fuel cells into stack or module

C429S490000

Reexamination Certificate

active

07977005

ABSTRACT:
A fuel cell including an anode-side catalyst coated membrane and a cathode-side catalyst coated membrane. At least a portion of a reduced-permeability layer is disposed between the ionically conductive membrane and the anode-side and cathode-side gas diffusion media, wherein the reduced-permeability layer is formed of a material that has a permeability that is less than a permeability of the ionically conductive member. The reduced-permeability layer may also be formed of a material that is softer than the ionically conductive membrane.

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