The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.
Mastering Surface Reconstruction of Metastable Spinel Oxides for Better Water Oxidation
Open accessAbstract
Developing highly active electrocatalysts for oxygen evolution reaction (OER) is critical for the effectiveness of water splitting. Low‐cost spinel oxides have attracted increasing interest as alternatives to noble metal–based OER catalysts. A rational design of spinel catalysts can be guided by studying the structural/elemental properties that determine the reaction mechanism and activity. Here, using density functional theory (DFT) calculations, it is found that the relative position of O p‐band and M Oh (Co and Ni in octahedron) d‐band center in ZnCo 2−xNixO 4 (x = 0–2) correlates with its stability as well as the possibility for lattice oxygen to participate in OER. Therefore, it is testified by synthesizing ZnCo 2−xNixO 4 spinel oxides, investigating their OER performance and surface evolution. Stable ZnCo 2−xNixO 4 (x = 0–0.4) follows adsorbate evolving mechanism under OER conditions. Lattice oxygen participates in the OER of metastable ZnCo 2−xNixO 4 (x = 0.6, 0.8) which gives rise to continuously formed oxyhydroxide as surface‐active species and consequently enhances activity. ZnCo 1.2 Ni 0.8 O 4 exhibits performance superior to the benchmarked IrO 2. This work illuminates the design of highly active metastable spinel electrocatalysts through the prediction of the reaction mechanism and OER activity by determining the relative positions of the O p‐band and the M Oh d‐band center.
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Cites
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Cited by
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-citationNon‐Noble‐Metal‐Based Electrocatalysts toward the Oxygen Evolution Reaction
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Lattice oxygen redox chemistry in solid-state electrocatalysts for water oxidation
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Metadata
- Authors
- Duan, Y., Sun, S., Sun, Y., Xi, S., Chi, X., Zhang, Q., Ren, X., Wang, J., Ong, S. J. H., Du, Y., Gu, L., Grimaud, A., & Xu, Z. J.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2019-01-24
- Volume
- 31
- Issue
- 12
- Pages
- e1807898-e1807898
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2913963325
- Cited by
- 339
- References
- 46
- FWCI
- 8.30
- Type
- journal article
- Language
- en
- Open access
- green
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- Duan, Y., Sun, S., Sun, Y., Xi, S., Chi, X., Zhang, Q., Ren, X., Wang, J., Ong, S. J. H., Du, Y., Gu, L., Grimaud, A., & Xu, Z. J. (2019). Mastering Surface Reconstruction of Metastable Spinel Oxides for Better Water Oxidation. Advanced Materials. https://doi.org/10.1002/adma.201807898
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