Emerging ruthenium single-atom catalysts for the electrocatalytic hydrogen evolution reaction

The electrocatalytic hydrogen evolution reaction (HER) is an efficient approach for producing hydrogen, which is a sustainable and eco-friendly energy carrier. Ruthenium-based HER catalysts are considered good alternatives to commercial platinum-based ones, because they have similar hydrogen bonding...

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Bibliographic Details
Published in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2022-07, Vol.1 (29), p.1537-15389
Main Authors: Zhu, Jingting, Cai, Lejuan, Tu, Yudi, Zhang, Lifu, Zhang, Wenjing
Format: Article
Language:English
Subjects:
Alternative energy sources
Catalysts
Catalytic activity
Design optimization
Fabrication
Hydrogen
Hydrogen bonding
Hydrogen evolution reactions
Hydrogen production
Hydrogen-based energy
Nanoparticles
Platinum
Ruthenium
Selectivity
Single atom catalysts
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Summary:The electrocatalytic hydrogen evolution reaction (HER) is an efficient approach for producing hydrogen, which is a sustainable and eco-friendly energy carrier. Ruthenium-based HER catalysts are considered good alternatives to commercial platinum-based ones, because they have similar hydrogen bonding energy, lower water decomposition barrier and considerably lower price. Recently, emerging Ru single-atom catalysts (SACs) have shown greater advantage for HER than Ru nanoparticles, owing to their high atomic utilization efficiency, catalytic activity and selectivity. This review provides a comprehensive summary of the recent development of Ru SACs for HER applications. An overview of synthesis strategies, atomically resolved characterization methods and electrocatalytic studies with different support materials is provided. Finally, the unresolved challenges in the development of Ru SACs for industrial HER applications are discussed, and future research priorities are proposed. This review is expected to guide the rational design, appropriate fabrication, and performance optimization of advanced Ru SACs toward HER applications. Synthesis strategies, characterization methods, and various supports for Ru-based single-atom catalysts and their HER performance are reviewed.
ISSN:2050-7488
2050-7496
DOI:10.1039/d2ta03860a