The DOI matches its Crossref record; 64 of the 64 references it cites were found in a registry or an index.
Activating lattice oxygen in NiFe-based (oxy)hydroxide for water electrolysis
Open accessAbstract
Transition metal oxides or (oxy)hydroxides have been intensively investigated as promising electrocatalysts for energy and environmental applications. Oxygen in the lattice was reported recently to actively participate in surface reactions. Herein, we report a sacrificial template-directed approach to synthesize Mo-doped NiFe (oxy)hydroxide with modulated oxygen activity as an enhanced electrocatalyst towards oxygen evolution reaction (OER). The obtained MoNiFe (oxy)hydroxide displays a high mass activity of 1910 A/g metal at the overpotential of 300 mV. The combination of density functional theory calculations and advanced spectroscopy techniques suggests that the Mo dopant upshifts the O 2 p band and weakens the metal-oxygen bond of NiFe (oxy)hydroxide, facilitating oxygen vacancy formation and shifting the reaction pathway for OER. Our results provide critical insights into the role of lattice oxygen in determining the activity of (oxy)hydroxides and demonstrate tuning oxygen activity as a promising approach for constructing highly active electrocatalysts.
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Cited by
Bifunctional Electrocatalysts for Overall and Hybrid Water Splitting
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Construction of Zn-doped RuO2 nanowires for efficient and stable water oxidation in acidic media
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Self-citation
Metadata
- Authors
- He, Z., Zhang, J., Gong, Z., Lei, H., Zhou, D., Zhang, N., Mai, W., Zhao, S., & Chen, Y.
- Venue
- Nature Communications
- Published
- 2022-04-21
- Volume
- 13
- Issue
- 1
- Pages
- 2191-2191
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W4224218813
- Cited by
- 665
- References
- 64
- FWCI
- 23.75
- Type
- journal article
- Language
- en
- Open access
- gold
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- He, Z., Zhang, J., Gong, Z., Lei, H., Zhou, D., Zhang, N., Mai, W., Zhao, S., & Chen, Y. (2022). Activating lattice oxygen in NiFe-based (oxy)hydroxide for water electrolysis. Nature Communications. https://doi.org/10.1038/s41467-022-29875-4
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