ELECTRODEPOSITION OF Ni–Mo ALLOYS FROM AMMONIUM ELECTROLYTES

Abstract

The influence of various factors current density, concentration of electrolyte components of stirring, and temperature on the composition and quality of Ni-Mo thin films, obtained by electrochemical deposition has been studied. It is established that the composition of deposited compounds strongly depends on the concentration of electrolyte components and electrolysis conditions. Increasing the current density increases the molybdenum content, and increasing the temperature increases the nickel content in the sediments. Stirring affects the electrodeposition process slightly. For obtaining high quality deposits, optimal conditions and electrolyte composition have been determined.

MATHEMATICAL MODELING THE ELECTROCHEMICAL DEPOSITION PROCESS OF Ni–Mo THIN FILMS

“…When constructing the mathematical model of the Ni-Mo electrodeposition process, we used the experimental data obtained as a result of the studies [15,16]. The regression equation has been created on the basis of the obtained data; the criteria of significance and adequacy have been calculated [17][18][19] to confirm the results of the experiment.…”

“…Nickel possesses electrocatalytic properties, is often used as a cathode in industry; however, a high value of hydrogen overvoltage at this electrode increases energy consumption [11,12]. It is well known that doping Ni by transition metals (Mo, W) increases its electrocatalytic activity for the HER reaction [13][14][15][16]. The production of thin layers of nickel-based alloys of high catalytic activity is very important for the water electrolysis process.…”

Electrochemical activation as a fat rendering technology

“…It has a good chemical and electrochemical resistance and is capable of a long-time service. In addition, an effective electrocatalyst does not emit harmful products during electrolysis [23][24][25][26][27].…”