Fuel cell electrode

Details Fuel cell electrode Fuel cell electrode

1976-12-20

1977-11-15

Skapars, Anthony

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

H01M 488

Patent

active

040584828

ABSTRACT:
A sheet material, principally comprised of a polymer such as polytetrafluoroethylene, having characteristics which permit its use in a fuel cell electrode is formed from co-agglomerates of the polymer and a pore former. In a fuel cell electrode application, the polymer-pore former agglomerates are themselves caused to co-agglomerate with a catalyst, the resulting co-agglomerates are formed into a layer and the pore former is leached from the layer so as to produce a structure having gas channels only in the polymer portions thereof. Agglomeration of the pore former and polymer particles is permitted through first imparting a positive charge to the pore former particles. The gas permeable catalyst layer will be bonded to a support plate to define a fuel cell electrode.

REFERENCES:
patent: 3666563 (1972-05-01), Paramus

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