Thiocyanate “Passivation” Unlocks Highly Selective and Efficient Acidic CO 2 Electroreduction to CH 4 on Cu-Based Catalysts

Key Points

• This research aims to explore the effects of thiocyanate passivation on CO2 electroreduction processes.
• Utilized Cu-based catalysts for CO2 electroreduction experiments.
• Evaluated the impact of thiocyanate passivation on catalytic efficiency and selectivity.
• Analyzed surface chemistry modifications to optimize product formation.
• Thiocyanate passivation significantly increased selectivity and efficiency of CO2 conversion to CH4.
• Catalytic activity showed pronounced enhancement under acidic conditions.
• Insights were provided for surface chemistry design in catalyst development.