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Dynamically Stable Active Sites from Surface Evolution of Perovskite Materials during the Oxygen Evolution Reaction
Open accessAbstract
Perovskite oxides are an important class of oxygen evolution reaction (OER) catalysts in alkaline media, despite the elusive nature of their active sites. Here, we demonstrate that the origin of the OER activity in a La 1– x Sr x CoO 3 model perovskite arises from a thin surface layer of Co hydr(oxy)oxide (CoO x H y ) that interacts with trace-level Fe species present in the electrolyte, creating dynamically stable active sites. Generation of the hydr(oxy)oxide layer is a consequence of a surface evolution process driven by the A-site dissolution and O-vacancy creation. In turn, this imparts a 10-fold improvement in stability against Co dissolution and a 3-fold increase in the activity–stability factor for CoO x H y /LSCO when compared to nanoscale Co-hydr(oxy)oxides clusters. Our results suggest new design rules for active and stable perovskite oxide-based OER materials.
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Cites
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
Stahel, W. R. (2016) · Nature · doi:10.1038/531435a · Cited by 2,555
Homogeneously dispersed multimetal oxygen-evolving catalysts
Zhang, B., Zheng, X., Voznyy, O., Comin, R., Bajdich, M., García-Melchor, M., Han, L., Xu, J., Liu, M., Zheng, L., et al. (2016) · Science · doi:10.1126/science.aaf1525 · Cited by 2,447
Impact of nanoparticle size and lattice oxygen on water oxidation on NiFeOxHy
Roy, C., Sebok, B., Scott, S. B., Fiordaliso, E. M., Sørensen, J. E., Bodin, A., Trimarco, D. B., Damsgaard, C. D., Vesborg, P. C. K., Hansen, O., et al. (2018) · Nature Catalysis · doi:10.1038/s41929-018-0162-x · Cited by 480
Cited by
Bifunctional Electrocatalysts for Overall and Hybrid Water Splitting
Quan, L., Jiang, H., Mei, G., Sun, Y., & You, B. (2024) · Chemical Reviews · doi:10.1021/acs.chemrev.3c00332 · Cited by 874
Zhao, Y., Adiyeri Saseendran, D. P., Huang, C., Triana, C. A., Marks, W. R., Chen, H., Zhao, H., & Patzke, G. R. (2023) · Chemical Reviews · doi:10.1021/acs.chemrev.2c00515 · Cited by 802
Activating lattice oxygen in NiFe-based (oxy)hydroxide for water electrolysis
He, Z., Zhang, J., Gong, Z., Lei, H., Zhou, D., Zhang, N., Mai, W., Zhao, S., & Chen, Y. (2022) · Nature Communications · doi:10.1038/s41467-022-29875-4 · Cited by 665
Trimetallic Spinel NiCo2−xFexO4 Nanoboxes for Highly Efficient Electrocatalytic Oxygen Evolution
Huang, Y., Zhang, S. L., Lu, X. F., Wu, Z., Luan, D., & Lou, X. W. (. (2021) · Angewandte Chemie International Edition · doi:10.1002/anie.202103058 · Cited by 380
The Open Catalyst 2022 (OC22) Dataset and Challenges for Oxide Electrocatalysts
Tran, R., Lan, J., Shuaibi, M., Wood, B. M., Goyal, S., Das, A., Heras-Domingo, J., Kolluru, A., Rizvi, A., Shoghi, N., et al. (2023) · ACS Catalysis · doi:10.1021/acscatal.2c05426 · Cited by 329
Metadata
- Authors
- Lopes, P. P., Chung, D. Y., Rui, X., Zheng, H., He, H., Farinazzo Bergamo Dias Martins, P., Strmcnik, D., Stamenkovic, V. R., Zapol, P., Mitchell, J. F., Klie, R. F., & Markovic, N. M.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2021-01-05
- Volume
- 143
- Issue
- 7
- Pages
- 2741-2750
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W3118494476
- Cited by
- 287
- References
- 4
- FWCI
- 9.42
- Type
- journal article
- Language
- en
- Open access
- green
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- Lopes, P. P., Chung, D. Y., Rui, X., Zheng, H., He, H., Farinazzo Bergamo Dias Martins, P., Strmcnik, D., Stamenkovic, V. R., Zapol, P., Mitchell, J. F., Klie, R. F., & Markovic, N. M. (2021). Dynamically Stable Active Sites from Surface Evolution of Perovskite Materials during the Oxygen Evolution Reaction. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.0c08959
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