Stabilizing Bi active Species via Constructing Bi-O-Ce Interface for Enhanced CO 2 Electroreduction to Formate

Key Points

• The study aims to enhance the efficiency of CO2 electroreduction to formate using a Bi-O-Ce interface.
• Constructed a Bi-O-Ce interface to stabilize active sites.
• Evaluated the electrocatalytic performance under various current densities.
• Assessed the selectivity and stability of formate production.
• The Bi-O-Ce interface showed improved stability of bismuth species.
• Higher formate selectivity was achieved at elevated current densities.
• The catalytic system exhibited enhanced long-term performance in CO2 reduction.