Flexible, water-repellent baked carbon plate, its production, fu

Details Flexible, water-repellent baked carbon plate, its production, fu Flexible, water-repellent baked carbon plate, its production, fu

1988-01-20

1990-01-16

Kalafut, Stephen J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Making catalytic electrode, process only

427115, 429 42, 429 44, H01M 488, B05D 512

Patent

active

048943550

ABSTRACT:
A fuel cell electrode having a catalyst layer comprising electroconductive particles carrying a catalytically active component and a binder on a water-repellent baked plate comprising a carbon paper comprising carbon fiber and an organic binder and polytetrafluoroethylene infiltrated into voids of said carbon paper, characterized in that the carbon fiber of said baked plate has at least 20 cutting edges per square millimeter, and said polytetrafluoroethylene is infiltrated into at least one of said cutting edges to render the plate flexible.

REFERENCES:
patent: 3829327 (1974-08-01), Omori et al.
patent: 3960601 (1976-06-01), Schulz
patent: 4017663 (1977-04-01), Breault
patent: 4248682 (1981-02-01), Lindstrom et al.
patent: 4339325 (1982-07-01), Solomon et al.
patent: 4349428 (1982-09-01), Lu et al.
patent: 4350610 (1982-09-01), Jung et al.

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