Electrochemical CO2 reduction reaction (CO2RR) is a progressive step toward the reduction of planetary carbon footprint. In this way, CO2 can be valorized into valuable products, and particularly, CO2 can be reduced to gaseous products (e.g. CO or methane) or into liquid products (i.e. C1, C2, C3, etc.). Interestingly, CO2RR and hydrogen reduction reaction (HER) are competitive reactions; therefore, syngas (CO + H2) can also be produced at different H2:CO ratios. Depending on the transition metal used as an electrocatalyst for the CO2RR, the selectivity toward a specific product can be properly tuned. In this opinion, the attention is focused on the reduction of CO2 to CO using Ag-based electrocatalysts. Reaction mechanisms to produce H2, CO, and formate are described and highlighted. The effect of the morphology is described, and the performance of Ag-based electrocatalysts toward CO2-to-CO and syngas production is presented, focusing on the recent available literature.
Tricella, C., Muhyuddin, M., Nistico', R., Tosoni, S., Santoro, C. (2025). Recent advancements related to silver-based electrocatalysts for carbon dioxide reduction reaction to carbon monoxide. CURRENT OPINION IN ELECTROCHEMISTRY, 51(June 2025), 1-12 [10.1016/j.coelec.2025.101696].
Recent advancements related to silver-based electrocatalysts for carbon dioxide reduction reaction to carbon monoxide
Muhyuddin, M;Nistico', R;Tosoni, S;Santoro C
Ultimo
2025
Abstract
Electrochemical CO2 reduction reaction (CO2RR) is a progressive step toward the reduction of planetary carbon footprint. In this way, CO2 can be valorized into valuable products, and particularly, CO2 can be reduced to gaseous products (e.g. CO or methane) or into liquid products (i.e. C1, C2, C3, etc.). Interestingly, CO2RR and hydrogen reduction reaction (HER) are competitive reactions; therefore, syngas (CO + H2) can also be produced at different H2:CO ratios. Depending on the transition metal used as an electrocatalyst for the CO2RR, the selectivity toward a specific product can be properly tuned. In this opinion, the attention is focused on the reduction of CO2 to CO using Ag-based electrocatalysts. Reaction mechanisms to produce H2, CO, and formate are described and highlighted. The effect of the morphology is described, and the performance of Ag-based electrocatalysts toward CO2-to-CO and syngas production is presented, focusing on the recent available literature.File | Dimensione | Formato | |
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Tricella-2025-Current Opinion in Electrochemistry-VoR.pdf
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