The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.
Synergistic Engineering of Doping and Vacancy in Ni(OH)2 to Boost Urea Electrooxidation
Abstract
Nickel hydroxide (Ni(OH)2) has been identified as one of the best promising electrocatalyst candidates for urea oxidation reaction (UOR) due to its flexible structures, wide compositions, and abundant 3d electrons under alkaline conditions. However, its layered structure with limited exposed edge sites severely hinders further improvement of the UOR activity. Herein, oxygen‐vacancy rich and vanadium doped Ni(OH)2 (O vac‐V‐Ni(OH)2) catalysts are prepared and synergistically boost the urea electrooxidation. Vanadium doping contributes more exposed active sites, and simultaneously generates oxygen vacancies, switching the rate‐determining step of UOR from *COOH deprotonation to the N–H bond cleavage process and lowering the thermodynamic barrier by around 1.13 eV. The novel O vac‐V‐Ni(OH)2 demonstrates good electrocatalytic performances with a working potential of 1.47 V at a high current density of 100 mA cm−2. Synergistic engineering of doping and oxygen vacancy is a promising strategy for designing efficient UOR electrocatalysts.
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Cites
Crystal Orbital Hamilton Population (COHP) Analysis As Projected from Plane-Wave Basis Sets
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An Investigation of Thin-Film Ni–Fe Oxide Catalysts for the Electrochemical Evolution of Oxygen
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Identification of Highly Active Fe Sites in (Ni,Fe)OOH for Electrocatalytic Water Splitting
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Self-citationThe roles of oxygen vacancies in electrocatalytic oxygen evolution reaction
Zhu, K., Shi, F., Zhu, X., & Yang, W. (2020) · Nano Energy · doi:10.1016/j.nanoen.2020.104761 · Cited by 1,018
Selective electrocatalytic synthesis of urea with nitrate and carbon dioxide
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Nickel ferrocyanide as a high-performance urea oxidation electrocatalyst
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Single atom tungsten doped ultrathin α-Ni(OH)2 for enhanced electrocatalytic water oxidation
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Cited by
Xu, S., Ruan, X., Ganesan, M., Wu, J., Ravi, S. K., & Cui, X. (2024) · Advanced Functional Materials · doi:10.1002/adfm.202313309 · Cited by 264
Highly selective urea electrooxidation coupled with efficient hydrogen evolution
Zhan, G., Hu, L., Li, H., Dai, J., Zhao, L., Zheng, Q., Zou, X., Shi, Y., Wang, J., Hou, W., et al. (2024) · Nature Communications · doi:10.1038/s41467-024-50343-8 · Cited by 180
Ji, C., Duan, H., Wang, C., Liang, G., Long, X., She, X., Zhang, R., Gong, F., Li, D., Yang, D., et al. (2025) · Advanced Materials · doi:10.1002/adma.202503879 · Cited by 92
Qin, H., Lin, G., Zhang, J., Cao, X., Xia, W., Yang, H., Yuan, K., Jin, T., Wang, Q., & Jiao, L. (2025) · Advanced Materials · doi:10.1002/adma.202417593 · Cited by 85
Self-citationYi, P., Song, Y., Liu, Z., Xie, P., Liang, G., Liu, R., Chen, L., & Sun, J. (2023) · Advanced Composites and Hybrid Materials · doi:10.1007/s42114-023-00810-5 · Cited by 75
Metadata
- Authors
- Qin, H., Ye, Y., Li, J., Jia, W., Zheng, S., Cao, X., Lin, G., & Jiao, L.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2022-11-16
- Volume
- 33
- Issue
- 4
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W4309349400
- Cited by
- 281
- References
- 48
- FWCI
- 9.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- Qin, H., Ye, Y., Li, J., Jia, W., Zheng, S., Cao, X., Lin, G., & Jiao, L. (2023). Synergistic Engineering of Doping and Vacancy in Ni(OH)2 to Boost Urea Electrooxidation. Advanced Functional Materials. https://doi.org/10.1002/adfm.202209698
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