Electrode for electrolytic process involving hydrogen generation

Details Electrode for electrolytic process involving hydrogen generation Electrode for electrolytic process involving hydrogen generation

1977-06-14

1978-05-16

Mack, John H.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

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

Patent

active

040897710

ABSTRACT:
A novel electrode is provided which comprises a porous titanium sheet having a cathode exposed surface which may be untreated titanium or hydrided titanium, and a core of a dense (e.g. expanded) titanium material (e.g. sheet) which is of less porosity or higher density than the surface, the core extending beyond the cathodic surface to provide an anodic member, or a means for connection for current transfer. The cathodic element 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. The exposed cathodic surface of the electrode is of large pore size to enable low cathodic overvoltage. The extending anodic element is coated (e.g. with platinum) to provide the anodic function.

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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