Electrolytic cells with alkaline electrolytes containing trifluo

Details Electrolytic cells with alkaline electrolytes containing trifluo Electrolytic cells with alkaline electrolytes containing trifluo

1982-06-30

1983-08-09

Walton, Donald L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

429 46, 429198, 429 29, 204 98, 204128, H01M 808, C25B 110

Patent

active

043977308

ABSTRACT:
An electrolytic system is provided with a gas fed cathode in contact with an electrolyte to which an additive of trifluoromethane sulfonic acid (TFMSA) is added. The system can be employed in fuel cells, industrial electrolytic cells for production of gases such as chlorine, and in metal-air batteries. Preferably the porous cathode incorporates a catalyst such as gold, platinum, palladium, silver, and spinels of Ni and Co. The supply of fluid to the anode of the fuel cell is a hydrocarbon or H.sub.2 dissolved in NaOH. Oxygen or air is supplied to the cathode of the fuel cell. In the industrial electrolytic cell, the anodic source of fluid and electrolyte is brine solution, and the cathodic electrolyte is dilute caustic. In the metal-air battery, an anodic solution of NaOH is supplied to an anode of Al, Ga, Zn, etc. The cathodic solution and configuration are the same as with the fuel cell.

REFERENCES:
patent: 3379573 (1968-04-01), Gershberg
patent: 3592696 (1971-07-01), Palmer
patent: 3948681 (1976-04-01), Barger et al.
patent: 4074028 (1978-02-01), Will
Adams et al., A New Electrolyte for Hydrocarbon Air Fuel Cells, J. Electrochem. Soc., Aug. 1974, pp. 987-990.

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