Stability and Degradation Mechanisms of Silver-Nickel Nanoparticle Catalysts for Electrochemical CO2 Reduction

Key Points

• To explore how Ni incorporation influences the stability and degradation of silver-nickel nanoparticle catalysts in CO2 reduction.
• Investigated silver-nickel alloy catalysts with varying Ni content.
• Analyzed the density of active sites and electron transfer dynamics.
• Conducted comparative investigations of catalyst performance over time.
• Incorporation of Ni increases the density of active sites.
• Enhanced electron transfer rates between active sites and intermediates were observed.
• Silver-nickel catalysts exhibited greater stability under electrochemical conditions.