Bifunctional gas diffusion electrode

Details Bifunctional gas diffusion electrode Bifunctional gas diffusion electrode

1981-12-21

1983-10-11

Lefevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 40, H01M 400

Patent

active

044093012

ABSTRACT:
A bifunctional gas-diffusion electrode operative alternately for gas consumption and gas evolution comprises a gas-side layer in which gas consumption takes place, an electrolyte-side layer where gas evolution takes place and an intermediate rectifying layer of semi-conducting material arranged between the gas-side layer and the electrolyte-side layer so as to prevent unwanted gas evolution in the gas-side layer. The rectifying layer may be a p-n junction or may form part of a Schottky barrier junction.

REFERENCES:
patent: 4333993 (1982-06-01), Gibbard
patent: 4341848 (1982-07-01), Lui et al.

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