The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.
Hydroxide promotes carbon dioxide electroreduction to ethanol on copper via tuning of adsorbed hydrogen
Open accessAbstract
Producing liquid fuels such as ethanol from CO 2, H 2 O, and renewable electricity offers a route to store sustainable energy. The search for efficient electrocatalysts for the CO 2 reduction reaction relies on tuning the adsorption strength of carbonaceous intermediates. Here, we report a complementary approach in which we utilize hydroxide and oxide doping of a catalyst surface to tune the adsorbed hydrogen on Cu. Density functional theory studies indicate that this doping accelerates water dissociation and changes the hydrogen adsorption energy on Cu. We synthesize and investigate a suite of metal-hydroxide-interface-doped-Cu catalysts, and find that the most efficient, Ce(OH)x-doped-Cu, exhibits an ethanol Faradaic efficiency of 43% and a partial current density of 128 mA cm−2. Mechanistic studies, wherein we combine investigation of hydrogen evolution performance with the results of operando Raman spectroscopy, show that adsorbed hydrogen hydrogenates surface *HCCOH, a key intermediate whose fate determines branching to ethanol versus ethylene.
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Cites
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Electrocatalysis for CO 2 conversion: from fundamentals to value-added products
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Boosting electrocatalytic CO2–to–ethanol production via asymmetric C–C coupling
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Self-citationAdvanced manufacturing for electrosynthesis of fuels and chemicals from CO 2
Corral, D., Feaster, J. T., Sobhani, S., DeOtte, J. R., Lee, D. U., Wong, A. A., Hamilton, J., Beck, V. A., Sarkar, A., Hahn, C., et al. (2021) · Energy & Environmental Science · doi:10.1039/d0ee03679j · Cited by 98
Metadata
- Authors
- Luo, M., Wang, Z., Li, Y. C., Li, J., Li, F., Lum, Y., Nam, D.-H., Chen, B., Wicks, J., Xu, A., Zhuang, T., Leow, W. R., Wang, X., Dinh, C.-T., Wang, Y., Wang, Y., Sinton, D., & Sargent, E. H.
- Venue
- Nature Communications
- Published
- 2019-12-20
- Volume
- 10
- Issue
- 1
- Pages
- 5814-5814
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2996510623
- Cited by
- 394
- References
- 48
- FWCI
- 6.75
- Type
- journal article
- Language
- en
- Open access
- gold
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- Luo, M., Wang, Z., Li, Y. C., Li, J., Li, F., Lum, Y., Nam, D.-H., Chen, B., Wicks, J., Xu, A., Zhuang, T., Leow, W. R., Wang, X., Dinh, C.-T., Wang, Y., Wang, Y., Sinton, D., & Sargent, E. H. (2019). Hydroxide promotes carbon dioxide electroreduction to ethanol on copper via tuning of adsorbed hydrogen. Nature Communications. https://doi.org/10.1038/s41467-019-13833-8
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