Dual-porosity ribbed fuel cell cathode

Details Dual-porosity ribbed fuel cell cathode Dual-porosity ribbed fuel cell cathode

2005-05-10

2005-05-10

Ryan, Patrick (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C429S047000, C429S006000

Reexamination Certificate

active

06890679

ABSTRACT:
A fuel cell cathode comprising a cathode body having rib regions and base regions which connect the rib regions, the rib regions being of greater thickness and of less porosity than the base regions.

REFERENCES:
patent: 4115627 (1978-09-01), Christner et al.
patent: 4374906 (1983-02-01), Breault et al.
patent: 4547418 (1985-10-01), Shigeta et al.
patent: 4654195 (1987-03-01), Wnuck et al.
patent: 5071717 (1991-12-01), Bushnell
patent: 5531956 (1996-07-01), Ong et al.
patent: 63116369 (1988-05-01), None
patent: 06176764 (1994-06-01), None

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