The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
Regulating the Local Charge Distribution of Ni Active Sites for the Urea Oxidation Reaction
Abstract
In electrochemical energy storage and conversion systems, the anodic oxygen evolution reaction (OER) accounts for a large proportion of the energy consumption. The electrocatalytic urea oxidation reaction (UOR) is one of the promising alternatives to OER, owing to its low thermodynamic potential. However, owing to the sluggish UOR kinetics, its potential in practical use has not been unlocked. Herein, we developed a tungsten‐doped nickel catalyst (Ni‐WOx) with superior activity towards UOR. The Ni‐WOx catalyst exhibited record fast reaction kinetics (440 mA cm−2 at 1.6 V versus reversible hydrogen electrode) and a high turnover frequency of 0.11 s−1, which is 4.8 times higher than that without W dopants. In further experiments, we found that the W dopant regulated the local charge distribution of Ni atoms, leading to the formation of Ni 3+ sites with superior activity and thus accelerating the interfacial catalytic reaction. Moreover, when we integrated Ni‐WOx into a CO 2 flow electrolyzer, the cell voltage is reduced to 2.16 V accompanying with ≈98 % Faradaic efficiency towards carbon monoxide.
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Homogeneously dispersed multimetal oxygen-evolving catalysts
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Self-citationEnhanced electrocatalytic CO2 reduction via field-induced reagent concentration
Liu, M., Pang, Y., Zhang, B., De Luna, P., Voznyy, O., Xu, J., Zheng, X., Dinh, C. T., Fan, F., Cao, C., et al. (2016) · Nature · doi:10.1038/nature19060 · Cited by 2,000
Self-citationCO 2 electrolysis to multicarbon products at activities greater than 1 A cm −2
García de Arquer, F. P., Dinh, C.-T., Ozden, A., Wicks, J., McCallum, C., Kirmani, A. R., Nam, D.-H., Gabardo, C., Seifitokaldani, A., Wang, X., et al. (2020) · Science · doi:10.1126/science.aay4217 · Cited by 1,517
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Self-citationVoiry, D., Fullon, R., Yang, J., de Carvalho Castro e Silva, C., Kappera, R., Bozkurt, I., Kaplan, D., Lagos, M. J., Batson, P. E., Gupta, G., et al. (2016) · Nature Materials · doi:10.1038/nmat4660 · Cited by 824
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Self-citationRecent Advancements in Electrochemical Hydrogen Production via Hybrid Water Splitting
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Metadata
- Authors
- Wang, L., Zhu, Y., Wen, Y., Li, S., Cui, C., Ni, F., Liu, Y., Lin, H., Li, Y., Peng, H., & Zhang, B.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2021-03-30
- Volume
- 60
- Issue
- 19
- Pages
- 10577-10582
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W3131712347
- Cited by
- 442
- References
- 8
- FWCI
- 13.83
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, L., Zhu, Y., Wen, Y., Li, S., Cui, C., Ni, F., Liu, Y., Lin, H., Li, Y., Peng, H., & Zhang, B. (2021). Regulating the Local Charge Distribution of Ni Active Sites for the Urea Oxidation Reaction. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202100610
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