Efficiency enhancement for solid-electrolyte fuel cell

Details Efficiency enhancement for solid-electrolyte fuel cell Efficiency enhancement for solid-electrolyte fuel cell

1990-12-18

1992-04-07

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 44, H01M 810

Patent

active

051027500

ABSTRACT:
In a solid-electrolyte fuel cell of the type described in U.S. Pat. No. 4,863,813 a permeable catalytic electrode in contact with the solid electrolyte is ordinarily exposed to a mixture comprising an oxidizer and a hydrogen-containing fuel. To increase the fuel efficiency of the cell, the permeable electrode is patterned and coated with a material that is permeable to the fuel but relatively impermeable to the oxidizer. The oxidizer enters the electrolyte through channels where the surface of the electrolyte is not covered by the patterned and coated electrode.

REFERENCES:
patent: 4248941 (1981-02-01), Louis et al.
patent: 4863813 (1989-09-01), Dyer
patent: 4894301 (1990-01-01), Dyer
patent: 4988582 (1991-01-01), Dyer

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