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

Magdalena Popczyk; B. Łosiewicz

doi:10.4028/www.scientific.net/SSP.228.263

Paper Titles

The Influence of Temperature of Electrodeposition on the Electrochemical Properties of Ni Coatings
p.242

Effect of Sodium Hypophosphite Content in the Electroplating Bath on the Electrochemical Properties of Ni-P Alloy Coatings
p.246

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

HomeSolid State PhenomenaSolid State Phenomena Vol. 228The Influence of Temperature of Electrodeposition...

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

Abstract:

The Ni+MoS₂+Mo composite coatings were obtained by the electrodeposition under the galvanostatic conditions (j_dep = -250 mA cm^-2) at the temperature of 30-60°C from the nickel bath containing a suspension of MoS₂ (<2 μm) and Mo (3-7 μm) powders. Studies of hydrogen evolution reaction (HER) were carried out in 5 M KOH solution at room temperature using steady-state polarization and electrochemical impedance spectroscopy (EIS) measurements. The decrease of electrochemical activity towards the HER was found for the Ni+MoS₂+Mo composite coatings with the increase in the temperature of their electrodeposition due to decrease of both the intrinsic activity and surface development.

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Solid State Phenomena (Volume 228)

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263-268

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https://doi.org/10.4028/www.scientific.net/SSP.228.263

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Online since:

March 2015

Authors:

Magdalena Popczyk, B. Łosiewicz

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Electrodeposition, Hydrogen Evolution Reaction, Ni+MoS₂+Mo Composite Coatings

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