Hollow artery anode wick for passive variable pressure regenerat

Details Hollow artery anode wick for passive variable pressure regenerat Hollow artery anode wick for passive variable pressure regenerat

1994-03-22

1996-07-09

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

431325, H01M 804

Patent

active

055343635

ABSTRACT:
An anode wick for use with electrochemical fuel cells, in accordance with the invention, establishes a physical connection between a fuel cell's anode membrane surface and a liquid water reservoir. Wicking action substantially ensures the cell's anode surface is continually bathed in water. Two mechanical check valves are incorporated to effectively prevent mixing of gaseous hydrogen and oxygen gases in the event the fuel cell system's water tanks become over pressurized. This design can effectively eliminate the need for some of a conventional fuel cell system's pumps and/or compressors. Advantageously, the invention also reduces the overall weight and mechanical complexity of the fuel cell system, thereby improving system reliability.

REFERENCES:
patent: 3560264 (1971-02-01), Biddick
patent: 4467019 (1984-08-01), Feigenbaum
patent: 4657829 (1987-04-01), McElroy et al.
patent: 5064732 (1991-11-01), Meyer
patent: 5124200 (1992-06-01), Mallonee
patent: 5306577 (1994-04-01), Sprouse

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