Abstract
The object of this work was to obtain the Ni+MoS2composite electrocoatings byin situco-deposition of molybdenum (IV) sulfide particles (< 2 μm) and nickel from a suspension plating bath. Physical and chemical characterization of the coatings was carried out using SEM, EDS, and XRD methods. The chemical composition of these coatings of a diphase structure (Ni, MoS2) was found to be dependent on the current density and temperature of electrodeposition. The optimal electrochemical conditions for embedding of the maximum amount of 26.4 wt.% of MoS2into the crystalline nickel matrix, were experimentally determined. The co-deposition process of MoS2particles and metallic nickel was discussed based on the adsorption mechanism. Such porous Ni+MoS2composite coatings can be proposed as electrode material for hydrogen electroevolution.
Published Version
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