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CO2 electroreduction

Two active sites are better than one

A better understanding of the mechanism of electrochemical CO2 reduction should enable development of electrocatalysts that are more active and selective. Now, through an isotopic labelling strategy, it has been discovered that there are at least two types of active sites on Cu electrocatalysts, one responsible for converting CO2 to CO and another for further converting CO to useful C2+ products.

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Fig. 1: Isotope labelling experiments.

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Correspondence to Yanwei Lum or Joel W. Ager.

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Lum, Y., Ager, J.W. Two active sites are better than one. Nat Catal 6, 864–865 (2023). https://doi.org/10.1038/s41929-023-01028-w

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