Electrodeposited alloy electrodes in the Co–W–Mo system as highly efficient catalysts for hydrogen production from alkaline water electrolysis

Comparative Analysis of Metal Electrodeposition Rates towards Formation of High-Entropy WFeCoNiCu Alloy

“…There has been no single original work recently that has compared the electrodeposition efficiencies of the most basic binary alloys of tungsten, let alone of materials consisting of three or more components. Most original papers cover only selected binary or ternary alloys, focusing mainly on their applicational properties [5][6][7][8][9][10]. The range of possible applications of tungsten alloys obtained via induced codeposition is broad indeed.…”

“…The most common applications of electrodeposited tungsten alloys include protective and decorative layers, especially as anti-corrosive protective coatings for steel surface enrichment, a substitute for hard chrome coatings [5][6][7]. Another important application for electrodeposited tungsten alloys is obtaining catalytic layers, mainly for hydrogen evolution [8][9][10]. All the alloys studied in the mentioned works consist of tungsten and one or two other inducing metals.…”

Influence of the Applied External Magnetic Field on the Deposition of Ni–Cu Alloys

“…The efficiency of nickel in the HER can be greatly improved through the formation of alloys with specific elements, which induces a synergistic effect well documented in scientific research [27,28]. While the development of nickel alloys with noble metals such as palladium [29][30][31], platinum [32][33][34], ruthenium [35][36][37][38], and rhodium [39][40][41][42][43] presents a promising avenue for new material innovations, the high costs associated with these noble metals and the necessary precursors for their electrodeposition processes have shifted focus towards more economically viable nickel-based alloys with transition metals like cobalt [44][45][46], tungsten/molybdenum [47][48][49][50], and copper. These alloys are generally fabricated via electrodeposition, where incorporating transition metals changes the reaction mechanism of the electrodes, thus affecting the activation energy required for the HER.…”