Edge seal for a porous gas distribution plate of a fuel cell

Details Edge seal for a porous gas distribution plate of a fuel cell Edge seal for a porous gas distribution plate of a fuel cell

1982-09-30

1984-05-22

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 36, 427115, H01M 488, H01M 802

Patent

active

044502125

ABSTRACT:
In an improved seal for a gas distribution plate of a fuel cell, a groove is provided extending along an edge of the plate. A member of resinous material is arranged within the groove and a paste comprising an immobilized acid is arranged surrounding the member and substantially filling the groove. The seal, which is impervious to the gas being distributed, is resistant to deterioration by the electrolyte of the cell.

REFERENCES:
patent: 4259389 (1981-03-01), Vine et al.
patent: 4374906 (1983-02-01), Breault et al.

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