Electrolytic preparation and characterization of Ni-Fe-Mo alloys: cathode materials for alkaline water electrolysis

Electrolytic preparation and characterization of Ni-Fe-Mo alloys: cathode materials for alkaline water electrolysis

Ni–Fe–Mo alloys have been electroplated by using suitable bath solution and plating conditions. SEM and XRD analysis showed that the deposited alloys are partially amorphous. Polarization studies indicated a dependence of the hydrogen evolution mechanism on temperature and current density. The alloy...

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Veröffentlicht in:International journal of energy research 1999-08, Vol.23 (10), p.919-924
Hauptverfasser: Ramesh, L., Sheshadri, B. S., Mayanna, S. M.
Format: Artikel
Sprache:eng
Schlagworte:
Alternative fuels. Production and utilization
anomalous codeposition
Applied sciences
cathode materials
Energy
Exact sciences and technology
Fuels
Hydrogen
hydrogen overvoltage
Ni-Fe-Mo alloys
Tafel slope
water electrolysis
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Zusammenfassung:Ni–Fe–Mo alloys have been electroplated by using suitable bath solution and plating conditions. SEM and XRD analysis showed that the deposited alloys are partially amorphous. Polarization studies indicated a dependence of the hydrogen evolution mechanism on temperature and current density. The alloys exhibited sufficiently low hydrogen over voltage even on prolonged electrolysis in 30% KOH. Electrokinetic parameters are evaluated for hydrogen evolution reaction on Ni–Fe–Mo alloys. Copyright © 1999 John Wiley & Sons, Ltd.
ISSN:0363-907X
1099-114X
DOI:10.1002/(SICI)1099-114X(199908)23:10<919::AID-ER524>3.0.CO;2-D