MXene Nanofibers as Highly Active Catalysts for Hydrogen Evolution Reaction
Abstract
Nonprecious metal catalysts for hydrogen evolution reaction (HER) have recently received growing attention. Herein, we designed a highly active MXene nanofiber catalyst with a high specific surface area (SSA) via the hydrolyzation of bulk MAX ceramics, and a subsequent HF etching process. Compared with traditional MXene flakes, the MXene nanofibers delivered a much higher SSA and exposed more active sites in the cross section. As a result, the MXene nanofiber delivered an enhanced HER activity with a low overpotential of 169 mV at a current density of 10 mA cm –2, a depressed Tafel slope of 97 mV dec –1, and low electrochemical resistance. The improved SSA and exposed active sites are responsible for the enhanced activity. This work provides a novel synthesis method for MXene nanofibers, and MXene nanofibers are also promising for applications in batteries, supercapacitors, and catalytic fields.
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Low valence state titanium might play a key role in HER behavior.
“indicating the low state valence titaniummight play a key role in HER behavior [6, 36–38]”
From Hybrid MXene/reduced graphene oxide aerogel microspheres for hydrogen evolution reaction (2021) · cites this paper as [38]
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Li, Y., Wang, H., Xie, L., Liang, Y., Hong, G., & Dai, H. (2011) · Journal of the American Chemical Society · doi:10.1021/ja201269b · Cited by 5,001 · see citing works
Li, D. J., Maiti, U. N., Lim, J., Choi, D. S., Lee, W. J., Oh, Y., Lee, G. Y., & Kim, S. O. (2014) · Nano Letters · doi:10.1021/nl404108a · Cited by 653 · see citing works
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Recent Advances in Electrocatalytic Hydrogen Evolution Using Nanoparticles
Zhu, J., Hu, L., Zhao, P., Lee, L. Y. S., & Wong, K.-Y. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.9b00248 · Cited by 3,133 · see citing works
Li, Z., Qi, Z., Wang, S., Ma, T., Zhou, L., Wu, Z., Luan, X., Lin, F.-Y., Chen, M., Miller, J. T., et al. (2019) · Nano Letters · doi:10.1021/acs.nanolett.9b01381 · Cited by 210 · see citing works
Hybrid MXene/reduced graphene oxide aerogel microspheres for hydrogen evolution reaction
Cheng, Y., Zhan, Y., Ran, J., Wang, Z., Agnoli, S., Xia, H., & Granozzi, G. (2021) · Ionics · doi:10.1007/s11581-021-04062-5 · Cited by 34 · see citing works
- Authors
- Yuan, W., Cheng, L., An, Y., Wu, H., Yao, N., Fan, X., & Guo, X.
- Affiliations
- Northwestern Polytechnical University (CN)
- Northwest University (CN)
- Corresponding author
- Guo, Xiaohui
- Venue
- ACS Sustainable Chemistry & Engineering
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-06-12
- Volume
- 6
- Issue
- 7
- Pages
- 8976-8982
- ISSN
- 2168-0485 (ISSN-L)
- OpenAlex
- W2807876335
- Cited by
- 285
- References
- 2
- Citations by year
- 2026: 31 · 2025: 38 · 2024: 50 · 2023: 37 · 2022: 45 · 2021: 33 · 2020: 30 · 2019: 20 · 2018: 1
- FWCI
- 4.85
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- ACS Sustainable Chemistry & Engineering (publishedVersion)
- Funders
- Ministry of Science and Technology of the People's Republic of China (2017YFB1103500)
- National Natural Science Foundation of China (51302220, 51632007, 51672218)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Materials Science › Materials Chemistry › MXene and MAX Phase Materials
- Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
- Keywords
- hydrogen evolution reaction, non-precious metal electrocatalysts, hydrofluoric acid etching, specific surface area, active site exposure, electrocatalytic activity, overpotential, Tafel slope
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