Fuel cell

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

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204 351, 204 376, 204 383, 204149, 204277, 204294, 204302, 429 44, H01M 496

Patent

active

046703608

ABSTRACT:
In a fuel cell which has an activated carbon-containing anode and an activated carbon-containing cathode and is preferably used for the oxidative treatment of waste waters containing oxygen or oxygen-containing compounds, the cathode has been subjected to partial anodic oxidation in a mineral acid at a potential .epsilon..sub.h of from +1.3 to +10V and then doped with molybdenum(VI) and/or tungsten(VI) and/or vanadium(V) compounds, and the anode has been subjected to partial anodic oxidation in an aqueous mineral acid, cathodically reduced in an aqueous mineral acid and then impregnated with cobalt hydroxide and/or nickel hydroxide and/or copper hydroxide and/or zinc hydroxide, the anode and the cathode being separated by a porous polyelectrolyte through which the waste water flows.

REFERENCES:
patent: 3619296 (1971-11-01), Niedrach
patent: 3915822 (1975-10-01), Veltman
patent: 4202934 (1980-05-01), Jalan
patent: 4242421 (1980-12-01), Kudo et al.
patent: 4445990 (1984-05-01), Kim et al.
patent: 4447505 (1984-05-01), Blanchart
patent: 4472257 (1984-09-01), Sklyarov
The Condensed Chemical Dictionary, seventh edition, Reinhold Book Corp., New York, 1966, p. 433.
Webster's Seventh New Collegiate Dictionary, G. & C. Merriam Co., Springfield, Mass., 1967, p. 337.

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