Weakening OH Adsorption on Ru Sites by Ni Alloying for Accelerating Alkaline Hydrogen Evolution of intermetallic Ru 3 Ni electrocatalyst

Key Points

• The study aims to enhance the efficiency of ruthenium-based catalysts for the hydrogen evolution reaction by alloying with nickel.
• Developed intermetallic Ru3Ni electrocatalyst
• Analyzed OH adsorption behavior on different sites
• Tested catalytic performance under alkaline conditions
• Nickel alloying weakened OH adsorption on ruthenium sites
• Enhanced hydrogen evolution activity observed
• Achieved significant efficiency improvements for alkaline water electrolysis