Solid polymer electrolyte fuel cell system with ribbed configura

Details Solid polymer electrolyte fuel cell system with ribbed configura Solid polymer electrolyte fuel cell system with ribbed configura

1991-08-02

1993-08-10

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 34, 429 39, 429 41, H01M 810

Patent

active

052347761

ABSTRACT:
In a solid electrolyte polymer fuel cell system, a fuel cell includes ribs integrally formed with an anode or an anode chamber, ribs integrally formed with a cathode or cathode chamber, and a water distributor. The water distributor may be a beam provided with slits, an electroconductive body, a wick, or a combination of the beam with slits and a hydrophilic body. Fuel gas and water distributed by the water distributor are passed through the ribs of the ribbed anode or ribbed anode chamber to provide sufficient hydrogen ions and water of inclusion with the solid polymer electrolyte. Oxidizer gas and water to be discharged are passed through the ribs of the ribbed cathode or ribbed cathode chamber. Water is discharged efficiently.

REFERENCES:
patent: 4233146 (1980-11-01), Rothmayer et al.
patent: 4615955 (1986-10-01), Amakawa et al.
patent: 5023152 (1991-06-01), Akagi

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