Hydrogen Stabilized RhPdH 2D Bimetallene Nanosheets for Efficient Alkaline Hydrogen Evolution
Open accessAbstract
The design of catalysts with high activity and robust stability for alkaline hydrogen evolution reaction (HER) remains a great challenge. Here, we report an efficient catalyst of two-dimensional bimetallene hydrides, in which H atoms stabilize the rhodium palladium bimetallene. The system exists because of the introduction of H that is in situ chemically released from the formaldehyde solution during the synthesis. This provides a highly stable catalyst based on an unstable combination of metal elements. Density functional theory calculations show the H is confined by electronic interactions and the Miedema rule of reverse stability of the RhPd alloy. The obtained catalyst exhibits outstanding alkaline HER catalytic performance with a low overpotential of 40 mV at 10 mA cm –2 and remarkable stability for over 10 h at 100 mA cm –2 . The experimental results show that the confined H improve the activity, while the ultrathin sheet-like morphology yields stability. Our work provides guidance for synthesizing high-activity catalysts by confining heteroatoms into the crystal lattice of bimetallene and also a very novel mechanism for the growth of bimetallene made of highly immiscible components.
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Rh-based nanomaterials are promising candidates as HER electrocatalysts and can operate under a wide pH environment.
“Recently, Rh-based nanomaterials have also been demonstrated to be promising candidates as HER electrocatalyst, which can operate under a wide pH environments [19–23].”
From Better than Pt in all-pH media: A charge transfer modulating hydrogen adsorption in cobalt-rhodium alloy aerogel to boost hydrogen evolution (2023) · cites this paper as [20]
The abstract and alkaline HER evaluation passage (page not provided) show that RhPd-H nanosheets are effective HER electrocatalysts in alkaline conditions. The paper does not establish that they operate across a wide pH range; its reported performance tests concern alkaline HER. (LLM, conf=0.88)
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- Authors
- Fan, J., Wu, J., Cui, X., Gu, L., Zhang, Q., Meng, F., Lei, B.-H., Singh, D. J., & Zheng, W.
- Affiliations
- Jilin University (CN)
- Chinese Academy of Sciences (CN)
- University of Missouri (US)
- Corresponding author
- Cui, Xiaoqiang
- ORCID
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2020-02-05
- Volume
- 142
- Issue
- 7
- Pages
- 3645-3651
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W3005199222
- Cited by
- 225
- References
- 28
- Citations by year
- 2026: 17 · 2025: 30 · 2024: 40 · 2023: 47 · 2022: 51 · 2021: 34 · 2020: 6
- FWCI
- 6.82
- Type
- journal article
- Language
- en
- Open access
- green
- www.osti.gov
- Licence
- Locations
- Journal of the American Chemical Society (publishedVersion)
- PubMed (publishedVersion)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
- Funders
- Ministry of Education of the People's Republic of China
- Ministry of Science and Technology of the People's Republic of China (2016YFA0200400)
- Jilin University (2017TD-09)
- Office of Science (DE-SC0019114)
- National Natural Science Foundation of China (51571100, 51872116)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Keywords
- alkaline hydrogen evolution reaction, nanosheets, catalyst stability, electrocatalysis
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