The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Enhanced Acidic Water Oxidation by Dynamic Migration of Oxygen Species at the Ir/Nb2O5−x Catalyst/Support Interfaces
Abstract
Catalyst/support interaction plays a vital role in catalysis towards acidic oxygen evolution (OER), and the performance reinforcement is currently interpreted by either strain or electron donation effect. We herein report that these views are insufficient, where the dynamic evolution of the interface under potential bias must be considered. Taking Nb 2 O 5−x supported iridium (Ir/Nb 2 O 5−x) as a model catalyst, we uncovered the dynamic migration of oxygen species between IrOx and Nb 2 O 5−x during OER. Direct spectroscopic evidence combined with theoretical computation suggests these migrations not only regulate the in situ Ir structure towards boosted activity, but also suppress its over‐oxidation via spontaneously delivering excessive oxygen from IrOx to Nb 2 O 5−x. The optimized Ir/Nb 2 O 5−x thus demonstrated exceptional performance in scalable water electrolyzers, i.e., only need 1.839 V to attain 3 A cm−2 (surpassing the DOE 2025 target), and no activity decay during a 2000 h test at 2 A cm−2.
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Cites
Universality in Oxygen Evolution Electrocatalysis on Oxide Surfaces
Man, I. C., Su, H., Calle‐Vallejo, F., Hansen, H. A., Martínez, J. I., Inoglu, N. G., Kitchin, J., Jaramillo, T. F., Nørskov, J. K., & Rossmeisl, J. (2011) · ChemCatChem · doi:10.1002/cctc.201000397 · Cited by 4,769
A review on fundamentals for designing oxygen evolution electrocatalysts
Song, J., Wei, C., Huang, Z.-F., Liu, C., Zeng, L., Wang, X., & Xu, Z. J. (2020) · Chemical Society Reviews · doi:10.1039/c9cs00607a · Cited by 2,936
Self-citationPham, C. V., Bühler, M., Knöppel, J., Bierling, M., Seeberger, D., Escalera-López, D., Mayrhofer, K. J. J., Cherevko, S., & Thiele, S. (2020) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2020.118762 · Cited by 226
Cited by
Stability of electrocatalytic OER: from principle to application
Li, H., Lin, Y., Duan, J., Wen, Q., Liu, Y., & Zhai, T. (2024) · Chemical Society Reviews · doi:10.1039/d3cs00010a · Cited by 540
Lanthanide-regulating Ru-O covalency optimizes acidic oxygen evolution electrocatalysis
Li, L., Zhang, G., Zhou, C., Lv, F., Tan, Y., Han, Y., Luo, H., Wang, D., Liu, Y., Shang, C., et al. (2024) · Nature Communications · doi:10.1038/s41467-024-49281-2 · Cited by 368
Rong, C., Huang, X., Arandiyan, H., Shao, Z., Wang, Y., & Chen, Y. (2025) · Advanced Materials · doi:10.1002/adma.202416362 · Cited by 333
Self-citationElectrocatalytic Water Splitting Mechanism and Electrocatalyst Design
Wu, H., Huang, Q., Shi, Y., Chang, J., & Lu, S. (2023) · Nano Research · doi:10.1007/s12274-023-5502-8 · Cited by 295
Wang, Y., Zhang, M., Kang, Z., Shi, L., Shen, Y., Tian, B., Zou, Y., Chen, H., & Zou, X. (2023) · Nature Communications · doi:10.1038/s41467-023-40912-8 · Cited by 280
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Metadata
- Authors
- Shi, Z., Li, J., Jiang, J., Wang, Y., Wang, X., Li, Y., Yang, L., Chu, Y., Bai, J., Yang, J., Ni, J., Wang, Y., Zhang, L., Jiang, Z., Liu, C., Ge, J., & Xing, W.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2022-11-24
- Volume
- 61
- Issue
- 52
- Pages
- e202212341-e202212341
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W4306690312
- Cited by
- 293
- References
- 3
- FWCI
- 10.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- Shi, Z., Li, J., Jiang, J., Wang, Y., Wang, X., Li, Y., Yang, L., Chu, Y., Bai, J., Yang, J., Ni, J., Wang, Y., Zhang, L., Jiang, Z., Liu, C., Ge, J., & Xing, W. (2022). Enhanced Acidic Water Oxidation by Dynamic Migration of Oxygen Species at the Ir/Nb2O5−x Catalyst/Support Interfaces. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202212341
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