Polymeric hydrogel-containing gas diffusion electrodes and metho

Details Polymeric hydrogel-containing gas diffusion electrodes and metho Polymeric hydrogel-containing gas diffusion electrodes and metho

1984-11-19

1986-09-30

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204266, 204283, 204284, 429 42, H01M 486, C25B 1103

Patent

active

046145753

ABSTRACT:
This invention is concerned with catalytic gas-diffusion structures such as electrodes and barriers comprising, as an integral part of a portion thereof, a non-ionic aqueous gel such as a polyvinyl alcohol, rendering said electrode impervious to gas percolation, while retaining electrolyte contact with the structures; and with methods of using said electrodes or barriers in a variety of electrochemical systems including electrolysis cells, fuel cells, batteries and others, as well as in metal-recovery systems involving no electricity.

REFERENCES:
patent: 4407905 (1983-10-01), Takeuchi
Sheibley et al, J. of Electrochem. Soc., vol. 130, No. 2, 1983, pp. 255-259.

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