Alloy catalyst, alloy catalyst supporting electrode, mixed catalyst, and mixed catalyst support electrode

摘要

Problem to be solved: to provide an alloy catalyst and an alloy catalyst carrying electrode capable of improving the rate of formation of C2 compounds such as ethylene and ethanol in the electrochemical reduction reaction of CO2.Solution: the alloy catalyst of the present embodiment contains Cu and Ni components, the Cu content in the alloy catalyst is 60 atomic% or more, 99.7 atomic%, the Ni content in the alloy catalyst is 0.3 atomic% or more and 40 atomic% or less, and the proportion of Cu metal components in the Cu component is 3 More than 5 atomic% or more, the proportion of the Ni metal component in the Ni component is 35 atomic% or more.No selection