Gas-diffusion cathode and salt water electrolytic cell using the

Details Gas-diffusion cathode and salt water electrolytic cell using the Gas-diffusion cathode and salt water electrolytic cell using the

1997-09-03

1999-03-09

Bell, Bruce F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204282, 204283, 204630, C25B 900

Patent

active

058795219

ABSTRACT:
A gas-diffusion cathode disposed in contact with an ion-exchange membrane partitioning an electrolytic cell into an anode chamber and a cathode chamber, wherein at least one guide piece is disposed in the gas-diffusion cathode and a salt water electrolytic cell using the above-described gas-diffusion cathode. By using the above-described gas-diffusion cathode for salt water electrolysis, an aqueous caustic alkali solution formed descending in the direction of gravity in the cathode changes direction of movement by contact with a guide piece, whereby the decreased electrode performance resulting from the hindrance of the supply of raw material gas and the discharge of the gas formed caused by the retention of the descending caustic alkali solution is prevented and a large-sized electrolytic cell can be used without problems generally encountered in conventional electrolytic systems.

REFERENCES:
patent: 5676808 (1997-10-01), Nishiki et al.
patent: 5693213 (1997-12-01), Shimamune et al.

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