Crystalline-Amorphous Interfaces Enriched CuS-SnS Composite Catalyst Boosts Electrochemical CO2 Reduction over a Wide pH Window

Key Points

• The aim is to develop a composite catalyst that improves electrochemical CO2 reduction efficiency across various pH levels.
• Development of a copper sulfide-tin sulfide composite catalyst
• Assessment of CO2 reduction performance across a broad pH range from 1.81 to 13.28
• Measurement of Faradaic efficiency for formate production
• Achieved high Faradaic efficiency for formate across tested pH levels
• Demonstrated effective electrochemical CO2 reduction in both acidic and basic conditions