AI Article Synopsis
- - The electrochemical reduction of carbon dioxide (CO) into valuable products, particularly carbon compounds, is a promising method for achieving carbon neutrality and addressing the global energy crisis.
- - A new electrocatalyst called CuBpz, featuring dicopper active sites, was developed, demonstrating a faradaic efficiency of 47.8% for producing acetate at a current density of -200 mA/cm² without significant degradation over 60 hours.
- - Studies indicate that the dicopper sites in CuBpz facilitate the crucial C-C bonding between carbon intermediates, which is essential for forming the important *CHCOOH* intermediate.
Article Abstract
Electrochemical reduction of CO to value-added products, especially C products, provides a potential approach to achieve carbon neutrality and overcome the energy crisis. Herein, we report a metal-azolate framework (CuBpz) with dicopper active sites as an electrocatalyst for the electrochemical CO reduction reaction (eCORR). As a result, CuBpz achieved an impressive faradaic efficiency (FE) of 47.8% for yielding acetate with a current density of -200 mA cm, while no obvious degradation was observed over 60 hours of continuous operation at a current density of -200 mA cm. Mechanism studies revealed that the dicopper site can promote C-C coupling between two C intermediates, thereby being conducive to the generation of the key *CHCOOH intermediate.
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| http://dx.doi.org/10.1039/d3dt00921a | DOI Listing |
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