The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
Se-Doping Activates FeOOH for Cost-Effective and Efficient Electrochemical Water Oxidation
Abstract
Ni or Co is commonly required in efficient electrocatalysts for oxygen evolution reaction (OER). Although Fe is much more abundant and cheaper, full-Fe or Fe-rich catalysts suffer from insufficient activity. Herein, we discover that Se-doping can drastically promote OER on FeOOH and develop a facile on-site electrochemical activation strategy for achieving such a Se-doped FeOOH electrode via an FeSe precatalyst. Theoretical analysis and systematic experiments prove that Se-doping enables FeOOH as an efficient and low-cost OER electrocatalyst. By optimizing the electrode structure, an industrial-level OER current output of 500 mA cm –2 is secured at a low overpotential of 348 mV. The application of such an Fe-rich OER electrode in a practical solar-driven water splitting system demonstrates a high and stable solar-to-hydrogen efficiency of 18.55%, making the strategy promising for exploring new cost-effective and highly active electrocatalysts for clean hydrogen production.
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Metadata
- Authors
- Niu, S., Jiang, W.-J., Wei, Z., Tang, T., Ma, J., Hu, J.-S., & Wan, L.-J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-04-01
- Volume
- 141
- Issue
- 17
- Pages
- 7005-7013
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2929175818
- Cited by
- 638
- References
- 8
- FWCI
- 17.16
- Type
- journal article
- Language
- en
- Open access
- closed
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- Niu, S., Jiang, W.-J., Wei, Z., Tang, T., Ma, J., Hu, J.-S., & Wan, L.-J. (2019). Se-Doping Activates FeOOH for Cost-Effective and Efficient Electrochemical Water Oxidation. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.9b01214
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