Three layer laminate

Details Three layer laminate Three layer laminate

1983-04-19

1984-06-26

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204294, 429 42, C25B 1103, C25B 1104

Patent

active

044565216

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.

REFERENCES:
patent: 3385780 (1968-05-01), Feng
patent: 3553029 (1971-01-01), Kordesch
patent: 3704171 (1972-11-01), Landi
patent: 3838092 (1974-09-01), Vogt
patent: 3899354 (1975-08-01), Kordesch
patent: 4058482 (1977-11-01), Baris
patent: 4135995 (1979-01-01), Welch
patent: 4150076 (1979-04-01), Baris
patent: 4170540 (1979-10-01), Lazarz
patent: 4235748 (1980-11-01), Berchielle

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