Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1999-04-01
2000-11-14
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 24, 429120, 429 34, H01M 804
Patent
active
061467790
ABSTRACT:
A fluid flow plate for a fuel cell includes a generally planar-shaped body having a sealed chamber therein containing a heat-transferring fluid. A first portion of the body has an outer surface with at least one flow channel for distributing a first reactant fluid to an active region of the fuel cell. The first portion is operable to absorb heat to vaporize the heat-transferring fluid and a second portion, preferably extending beyond the active region, is operable to release heat for condensing vaporized heat-transferring fluid. Also disclosed is a system which includes a fuel cell assembly having a plurality of fuel cells and a plurality of planar-shaped heat pipes disposed between the plurality of fuel cells. A housing comprises a chamber for receiving a reactant fluid. The plurality of planar-shaped heat pipes extend into the chamber for transferring heat between the fuel cell assembly and a reactant fluid.
REFERENCES:
patent: 3865630 (1975-02-01), Reimers
patent: 4853100 (1989-08-01), Hsu
Feldman et al., The heat pipe. Mechanical Engineering: Feb. 1997, pp. 30-33, Feb. 1967.
Dove Tracy
Nuzzolillo Maria
Plug Power Inc.
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