Cathode for electrolytic process involving hydrogen generation

Details Cathode for electrolytic process involving hydrogen generation Cathode for electrolytic process involving hydrogen generation

1977-04-18

1978-07-04

Mack, John H.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204289, 204290F, 204291, C25B 1103, C25B 1110

Patent

active

040986713

ABSTRACT:
A novel cathode is provided which comprises a porous titanium sheet having a cathodic exposed surface of hydrided titanium, preferably where the core of the sheet is of less porosity or higher density than the surface. The hydrided surface of the cathode may include a coating of silver thereon and therein within the pores, or the hydrided surface of the cathode, either as such or one provided with the silver coating may further include a coating of MoS.sub.2 thereon and therein within the pores. Such cathode can be either a monopolar or a bipolar electrode. The core of the cathode is of low porosity to provide improved current transfer and has a surface area of large pore size to enable low cathodic overvoltage.

REFERENCES:
patent: 3732157 (1973-05-01), DeWitt
patent: 3873437 (1975-03-01), Pulver
patent: 3919059 (1975-11-01), Raetzsch et al.
patent: 3994798 (1976-11-01), Westerlund

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