Electrolytically producing chlorine using a solid polymer electr

Details Electrolytically producing chlorine using a solid polymer electr Electrolytically producing chlorine using a solid polymer electr

1980-03-31

1981-10-06

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

204128, 204266, 204296, C25B 116, C25B 126, C25B 146, C25B 1304

Patent

active

042933943

ABSTRACT:
Disclosed is a solid polymer electrolyte electrolytic cell where the cathodic reaction takes place at a three phase catholyte-cathode catalyst-permionic membrane interface. The structure to carry this out may have electroconductive but electrolytically inactive portions of the cathode bonded to and embedded in the solid polymer electrolyte, and electrolytically active portions of the cathode extending outward from the permionic membrane into the catholyte. Alternatively, the cathode may compressively bear on a gel of permionic membrane material. Preferably the electrolytically active portions of the cathode extend out to about 1000 Angstroms into the catholyte, whereby to maintain the electrolysis within about 1000 Angstroms of the permionic membrane. The formation of hydroxyl ion within the permionic membrane is substantially avoided.

REFERENCES:
patent: 4191618 (1980-03-01), Coker et al.

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