The Hydrogen Evolution Reaction on Ni Electrode Material Modified with Molybdenum(IV) Oxide and Chromium(III) Oxide Powders

Magdalena Popczyk; Bożena Łosiewicz

doi:10.4028/www.scientific.net/SSP.228.273

Paper Titles

The Hydrogen Evolution Reaction on Fe Electrode Material in 1 M NaOH Solution
p.252

Comparison of Electrochemical Properties of Ni+NiAl and Ni Coatings in an Alkaline Solution
p.258

The Influence of Temperature of Electrodeposition on the Electrochemical Properties of Ni+MoS₂+Mo Composite Coatings
p.263

The Influence of Current Density of Electrodeposition on the Electrochemical Properties of Ni-Mo Alloy Coatings
p.269

The Hydrogen Evolution Reaction on Ni Electrode Material Modified with Molybdenum(IV) Oxide and Chromium(III) Oxide Powders
p.273

Effect of Molybdenum(IV) Oxide on the Process of Hydrogen Evolution on Ni+Mo Electrolytic Composite Coatings
p.277

Electrochemical Characterization of Nickel-Based Composite Coatings Containing Molybdenum or Tungsten Nanopowders
p.283

Effect of Molybdenum Powder Granulation on Electrochemical Properties of Ni+Mo Composite Coatings
p.288

Influence of Surface Development of Ni/W Coatings on the Kinetics of the Electrolytic Hydrogen Evolution
p.293

HomeSolid State PhenomenaSolid State Phenomena Vol. 228The Hydrogen Evolution Reaction on Ni Electrode...

The Hydrogen Evolution Reaction on Ni Electrode Material Modified with Molybdenum(IV) Oxide and Chromium(III) Oxide Powders

Abstract:

The Ni+MoO₂ and Ni+Cr₂O₃ composite coatings were prepared by the electrodeposition under the galvanostatic conditions (j_dep = -200 mA cm^-2) from the nickel bath containing powder of MoO₂ or Cr₂O₃. Studies of hydrogen evolution reaction (HER) in 5 M KOH solution at room temperature were conducted using steady-state polarization and electrochemical impedance spectroscopy (EIS) methods. It was ascertained that the HER rate is higher for the Ni+MoO₂ composite electrode in comparison with the Ni+Cr₂O₃ composite electrode due to the presence of Mo in the nickel matrix.

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Solid State Phenomena (Volume 228)

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273-276

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https://doi.org/10.4028/www.scientific.net/SSP.228.273

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Online since:

March 2015

Authors:

Magdalena Popczyk*, Bożena Łosiewicz

Keywords:

Hydrogen Evolution Reaction, Modification, Ni Electrode, Ni+Cr₂O₃ Composite Coating, Ni+MoO₂ Composite Coating

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