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Understanding activity and selectivity of metal-nitrogen-doped carbon catalysts for electrochemical reduction of CO2

Open access
Ju, Wen, Bagger, Alexander, Hao, Guang-Ping, Varela, Ana Sofia, Sinev, Ilya, Bon, Volodymyr, Roldan Cuenya, Beatriz, Kaskel, Stefan, Rossmeisl, Jan, Strasser, Peter·2017·Nature Communications

Abstract

Direct electrochemical reduction of CO 2 to fuels and chemicals using renewable electricity has attracted significant attention partly due to the fundamental challenges related to reactivity and selectivity, and partly due to its importance for industrial CO 2-consuming gas diffusion cathodes. Here, we present advances in the understanding of trends in the CO 2 to CO electrocatalysis of metal- and nitrogen-doped porous carbons containing catalytically active M–N x moieties (M = Mn, Fe, Co, Ni, Cu). We investigate their intrinsic catalytic reactivity, CO turnover frequencies, CO faradaic efficiencies and demonstrate that Fe–N–C and especially Ni–N–C catalysts rival Au- and Ag-based catalysts. We model the catalytically active M–N x moieties using density functional theory and correlate the theoretical binding energies with the experiments to give reactivity-selectivity descriptors. This gives an atomic-scale mechanistic understanding of potential-dependent CO and hydrocarbon selectivity from the M–N x moieties and it provides predictive guidelines for the rational design of selective carbon-based CO 2 reduction catalysts.

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Metadata

Authors
Ju, W., Bagger, A., Hao, G.-P., Varela, A. S., Sinev, I., Bon, V., Roldan Cuenya, B., Kaskel, S., Rossmeisl, J., & Strasser, P.
Venue
Nature Communications
Published
2017-10-16
Volume
8
Issue
1
Pages
944-944
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2761329828
Cited by
1,203
References
67
FWCI
26.54
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Understanding activity and selectivity of metal-nitrogen-doped carbon catalysts for electrochemical reduction of CO2. https://app.cochat.ai/papers/10.1038/s41467-017-01035-z
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Ju, W., Bagger, A., Hao, G.-P., Varela, A. S., Sinev, I., Bon, V., Roldan Cuenya, B., Kaskel, S., Rossmeisl, J., & Strasser, P. (2017). Understanding activity and selectivity of metal-nitrogen-doped carbon catalysts for electrochemical reduction of CO2. Nature Communications. https://doi.org/10.1038/s41467-017-01035-z

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