The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
Binding Site Diversity Promotes CO2 Electroreduction to Ethanol
Open accessAbstract
The electrochemical reduction of CO 2 has seen many record-setting advances in C 2 productivity in recent years. However, the selectivity for ethanol, a globally significant commodity chemical, is still low compared to the selectivity for products such as ethylene. Here we introduce diverse binding sites to a Cu catalyst, an approach that destabilizes the ethylene reaction intermediates and thereby promotes ethanol production. We develop a bimetallic Ag/Cu catalyst that implements the proposed design toward an improved ethanol catalyst. It achieves a record Faradaic efficiency of 41% toward ethanol at 250 mA/cm 2 and −0.67 V vs RHE, leading to a cathodic-side (half-cell) energy efficiency of 24.7%. The new catalysts exhibit an in situ Raman spectrum, in the region associated with CO stretching, that is much broader than that of pure Cu controls, a finding we account for via the diversity of binding configurations. This physical picture, involving multisite binding, accounts for the enhanced ethanol production for bimetallic catalysts, and presents a framework to design multimetallic catalysts to control reaction paths in CO 2 reductions toward desired products.
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Self-citationEnhanced electrocatalytic CO2 reduction via field-induced reagent concentration
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What would it take for renewably powered electrosynthesis to displace petrochemical processes?
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Boosting electrocatalytic CO2–to–ethanol production via asymmetric C–C coupling
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Metadata
- Authors
- Li, Y. C., Wang, Z., Yuan, T., Nam, D.-H., Luo, M., Wicks, J., Chen, B., Li, J., Li, F., de Arquer, F. P. G., Wang, Y., Dinh, C.-T., Voznyy, O., Sinton, D., & Sargent, E. H.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-05-08
- Volume
- 141
- Issue
- 21
- Pages
- 8584-8591
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2944198683
- Cited by
- 581
- References
- 13
- FWCI
- 12.11
- Type
- journal article
- Language
- en
- Open access
- green
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- Li, Y. C., Wang, Z., Yuan, T., Nam, D.-H., Luo, M., Wicks, J., Chen, B., Li, J., Li, F., de Arquer, F. P. G., Wang, Y., Dinh, C.-T., Voznyy, O., Sinton, D., & Sargent, E. H. (2019). Binding Site Diversity Promotes CO2 Electroreduction to Ethanol. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.9b02945
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