Three layer laminate

Details Three layer laminate Three layer laminate

1982-09-28

1985-05-21

Niebling, John F.

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

Catalyst or precursor therefor

Making catalytic electrode, process only

204294, 429 42, 156 77, 1563066, 156333, C25B 1112

Patent

active

045187053

ABSTRACT:
The disclosure is directed to preparing three-layer laminated electrodes suitable for use as oxygen (air) cathodes in chlor-alkali and other electrochemical cells, fuel cells and in other electrochemical applications.
This three-layer laminate includes an active layer or sheet containing from about 60 to about 85 wt. % active carbon, the remainder being unsintered, fibrillated polytetrafluoroethylene in intimate admixture with said active carbon, said active layer laminated on its working surface to a current distributor and on its opposite surface to a porous, coherent, hydrophobic polytetrafluoroethylene-containing wetproofing layer.

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