Abstract
The Ni+MoS2+Mo composite coatings were obtained by the electrodeposition under the galvanostatic conditions (jdep= -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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