Fuel cell assembly, separator-diffusion layer assembly for...

Details Fuel cell assembly, separator-diffusion layer assembly for... Fuel cell assembly, separator-diffusion layer assembly for...

2004-10-28

2010-06-01

Maples, John S (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C429S006000, C429S006000

Reexamination Certificate

active

07727665

ABSTRACT:
In a fuel cell assembly (100, 200), a diffusion layer (113, 114, 201) comprises an electroconductive film (133, 133a,133b) formed integrally with a separator (115, 116, 115a) so as to form a unitary separator-diffusion layer assembly (130, 131, 130a,203). The electroconductive film of the diffusion layer can be formed on the separator by a process comprising physical vapor deposition, chemical vapor deposition, spin coating, sputtering or screen printing.

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