The DOI matches its Crossref record; 60 of the 60 references it cites were found in a registry or an index.
Novel and promising electrocatalyst for oxygen evolution reaction based on MnFeCoNi high entropy alloy
Abstract
Abstract Efficient oxygen evolution reaction catalysts based on earth-abundant and low-cost elements are urgently required for water splitting devices and metal-air batteries. Herein, for the first time we report a novel and promising MOx (M = Mn, Fe, Co and Ni) nanosheets catalyst for oxygen evolution reaction based on the MnFeCoNi high entropy alloy. By an electrochemical cyclic voltammetry scan activation, the MOx nanosheets can grow directly on the MnFeCoNi high entropy alloy particle surfaces forming a core-shell structure. The core-shell structure exhibits a low overpotential of 302 mV to achieve current density of 10 mA cm−2, a small Tafel slope of 83.7 mV dec−1 and exceptional long-term stability of electrolysis for over 20 h in 1 M KOH alkaline solution, which is comparable to the state-of-the-art oxygen evolution reaction electrocatalyst RuO2. We make an investigation of the MnFeCoNi high entropy alloy before and after cyclic voltammetry scan activation on their morphologies, chemical states and elements composition to understand the materials evolution. The present work not only provides a promising electrocatalyst but also broadens the application areas of high entropy alloys.
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1 retracted
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Towards greener and more sustainable batteries for electrical energy storage
Larcher, D., & Tarascon, J.-M. (2015) · Nature Chemistry · doi:10.1038/nchem.2085 · Cited by 7,872
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Cited by
High-entropy energy materials: challenges and new opportunities
Ma, Y., Ma, Y., Wang, Q., Schweidler, S., Botros, M., Fu, T., Hahn, H., Brezesinski, T., & Breitung, B. (2021) · Energy & Environmental Science · doi:10.1039/d1ee00505g · Cited by 963
Li, R., Liu, X., Liu, W., Li, Z., Chan, K. C., & Lu, Z. (2022) · Advanced Science · doi:10.1002/advs.202105808 · Cited by 100
High‐Entropy Nanomaterials for Advanced Electrocatalysis
Lee, S. A., Bu, J., Lee, J., & Jang, H. W. (2023) · Small Science · doi:10.1002/smsc.202200109 · Cited by 95
Metadata
- Authors
- Dai, W., Lu, T., & Pan, Y.
- Venue
- Journal of Power Sources
- Publisher
- Elsevier BV
- Published
- 2019-08
- Volume
- 430
- Pages
- 104-111
- ISSN
- 0378-7753 (ISSN-L)
- OpenAlex
- W2945222601
- Cited by
- 282
- References
- 60
- FWCI
- 5.67
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dai, W., Lu, T., & Pan, Y. (2019). Novel and promising electrocatalyst for oxygen evolution reaction based on MnFeCoNi high entropy alloy. Journal of Power Sources. https://doi.org/10.1016/j.jpowsour.2019.05.030
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