The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.
Electrode reconstruction strategy for oxygen evolution reaction: maintaining Fe-CoOOH phase with intermediate-spin state during electrolysis
Open accessAbstract
Computational calculations and experimental studies reveal that the CoOOH phase and the intermediate-spin (IS) state are the key factors for realizing efficient Co-based electrocatalysts for the oxygen evolution reaction (OER). However, according to thermodynamics, general cobalt oxide converts to the CoO 2 phase under OER condition, retarding the OER kinetics. Herein, we demonstrate a simple and scalable strategy to fabricate electrodes with maintaining Fe-CoOOH phase and an IS state under the OER. The changes of phase and spin states were uncovered by combining in-situ/operando X-ray based absorption spectroscopy and Raman spectroscopy. Electrochemical reconstruction of chalcogenide treated Co foam affords a highly enlarged active surface that conferred excellent catalytic activity and stability in a large-scale water electrolyzer. Our findings are meaningful in that the calculated results were experimentally verified through the operando analyses. It also proposes a new strategy for electrode fabrication and confirms the importance of real active phases and spin states under a particular reaction condition.
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Cited by
Bifunctional Electrocatalysts for Overall and Hybrid Water Splitting
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Polyoxometalated metal-organic framework superstructure for stable water oxidation
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Metadata
- Authors
- Lee, W. H., Han, M. H., Ko, Y.-J., Min, B. K., Chae, K. H., & Oh, H.-S.
- Venue
- Nature Communications
- Published
- 2022-02-01
- Volume
- 13
- Issue
- 1
- Pages
- 605-605
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W4210427519
- Cited by
- 486
- References
- 46
- FWCI
- 18.27
- Type
- journal article
- Language
- en
- Open access
- gold
- Licence
- creativecommons.org/licenses/by/4.0 (tdm)
- creativecommons.org/licenses/by/4.0 (vor)
- Funders
- Korea Institute of Science and Technology (Institutional Program)
- National Research Foundation of Korea (2020M3H7A1098229, 2021R1A2C2093467)
- National Research Council of Science and Technology (CAP21011-100)
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- CoChat. (2026). Citation check: Electrode reconstruction strategy for oxygen evolution reaction: maintaining Fe-CoOOH phase with intermediate-spin state during electrolysis. https://app.cochat.ai/papers/10.1038/s41467-022-28260-5
- The paper
- Lee, W. H., Han, M. H., Ko, Y.-J., Min, B. K., Chae, K. H., & Oh, H.-S. (2022). Electrode reconstruction strategy for oxygen evolution reaction: maintaining Fe-CoOOH phase with intermediate-spin state during electrolysis. Nature Communications. https://doi.org/10.1038/s41467-022-28260-5
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