Fluid flow plate for decreased density of fuel cell assembly

Details Fluid flow plate for decreased density of fuel cell assembly Fluid flow plate for decreased density of fuel cell assembly

1997-08-28

1999-11-09

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 35, 429 36, 429 39, H01M 200, H01M 208, H01M 214, H01M 800

Patent

active

059810980

ABSTRACT:
A fluid flow plate includes first and second outward faces. Each of the outward faces has a flow channel thereon for carrying respective fluid. At least one of the fluids serves as reactant fluid for a fuel cell of a fuel cell assembly. One or more pockets are formed between the first and second outward faces for decreasing density of the fluid flow plate. A given flow channel can include one or more end sections and an intermediate section. An interposed member can be positioned between the outward faces at an interface between an intermediate section, of one of the outward faces, and an end section, of that outward face. The interposed member can serve to isolate the reactant fluid from the opposing outward face. The intermediate section(s) of flow channel(s) on an outward face are preferably formed as a folded expanse.

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