Cathode assembly and method of reactivation

Details Cathode assembly and method of reactivation Cathode assembly and method of reactivation

1999-10-18

2000-12-26

Bell, Bruce F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204252, 204283, 205637, C25B 1100

Patent

active

061653330

ABSTRACT:
A cathode assembly comprising a cathode, an ion-exchange membrane, and an electroconductive porous member permeable to gas and liquid sandwiched between the cathode and the membrane. The porous member may have, deposited on a part thereof, a catalyst active in hydrogen generation. The porous member preferably is in the form of a plate, sheet, fibers, web, paper, net, or sinter of any of these, and comprises at least a carbonaceous material and has a thickness of from 0.05 to 5 mm and a porosity of from 10 to 95%. Also disclosed is a method of reactivating a cathode assembly, which comprises conducting electrolysis using the cathode assembly until its activity decreases, and then depositing a catalyst active in hydrogen generation on the porous member.

REFERENCES:
patent: 4787964 (1988-11-01), Gordon et al.
patent: 4980037 (1990-12-01), Hossain et al.
patent: 5879521 (1999-03-01), Shimamune et al.

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