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This research aims to understand how structural changes in Bi and Sn electrodes affect their catalytic performance during CO2 electroreduction.

Restoring Formate Selectivity: In Situ Raman Study of Deactivated Electrodes for CO ₂ Electroreduction

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This research aims to understand how structural changes in Bi and Sn electrodes affect their catalytic performance during CO2 electroreduction.
Combined in situ Raman spectroscopy with density functional theory calculations.
Investigated structural transformations of Bi and Sn electrodes under electrochemical conditions.
Focused on the formation of subcarbonate species and their impact on performance.
Formation of subcarbonate species enhances Faradaic efficiency for formate production.
Demonstrated high current density at low overpotentials associated with similar structures.
Findings suggest that surface reoxidation is beneficial for catalytic performance.

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Randomized trial shows structural modifications influence formate production in Bi and Sn electrodes, suggesting improved catalytic design.

Prasannachandran et al. (2026) studied this question.

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Randomized trial shows structural modifications influence formate production in Bi and Sn electrodes, suggesting improved catalytic design.