Fluid flow plate for distribution of hydration fluid in a fuel c

Details Fluid flow plate for distribution of hydration fluid in a fuel c Fluid flow plate for distribution of hydration fluid in a fuel c

1999-09-17

2000-11-21

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 34, H01M 804

Patent

active

061500496

ABSTRACT:
A hydration system for a fuel cell includes a fluid flow plate having an inlet fluid opening for receiving a hydration fluid, a plurality of reactant flow channels defined in the fluid flow plate, at least one land interposed between the flow channels, and at least one hole defined in and extending through the land. The hole may be fluidly connected to the inlet fluid opening, thereby allowing a portion of the fluid to aid in hydration of a membrane of the fuel cell. A hydration channel also formed in the land may extend from an outlet of the hole to further aid membrane hydration.

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patent: 5840438 (1998-11-01), Johnson et al.
patent: 5906898 (1999-05-01), Pondo
patent: 5912088 (1999-06-01), Ernst

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