Cited by 104Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceHydrogen Storage and Materials

Phase Engineering of a Ruthenium Nanostructure toward High-Performance Bifunctional Hydrogen Catalysis

Li, Leigang, Liu, Cheng, Liu, Shangheng, Wang, Juan, Han, Jiajia, Chan, Ting-Shan, Li, Youyong, Hu, Zhiwei +3 more·2022·ACS Nano

Abstract

The physicochemical properties and catalytic performance of transition metals are highly phase-dependent. Ru-based nanomaterials are superior catalysts toward hydrogen evolution reaction (HER) and hydrogen oxidation reaction (HOR), but studies are mostly limited to conventional hexagonal-close-packed (hcp) Ru, mainly arising from the difficulty in synthesizing Ru with pure face-centered-cubic (fcc) phase. Herein, we report a crystal-phase-dependent catalytic study of MoO x -modified Ru (MoO x -Ru fcc and MoO x -Ru hcp) for bifunctional HER and HOR. MoO x -Ru fcc is proven to outperform MoO x -Ru hcp in catalyzing both HER and HOR with much higher catalytic activity and more durable stability. The modification effect of MoO x gives rise to optimal adsorption of H and OH especially on fcc Ru, which thus has resulted in the superior catalytic performance. This work highlights the significance of phase engineering in constructing superior electrocatalysts and may stimulate more efforts on phase engineering of other metal-based materials for diversified applications.

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Crossref · 10.1021/acsnano.2c05776

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  • At the lowest RuCl3 concentration (0.48 mM), two diffraction peaks were observed at 38.3° and 44.0°, corresponding to the (100) and (101) planes of hcp Ru.

    “At the lowest concentration (0.48 mM), two diffraction peaks were observed at 38.3° and 44.0°, corresponding to the (100) and (101) planes of hcp Ru (JCPDS No. 06‐0663), respectively.[ 26 , 27 ]”

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Authors
Li, L., Liu, C., Liu, S., Wang, J., Han, J., Chan, T.-S., Li, Y., Hu, Z., Shao, Q., Zhang, Q., & Huang, X.
Affiliations
  • Xiamen University (CN)
  • Soochow University (CN)
  • National Synchrotron Radiation Research Center (TW)
  • Max Planck Institute for Chemical Physics of Solids (DE)
Corresponding author
  • Li, Youyong
  • Zhang, Qiaobao
  • Huang, Xiaoqing
Venue
ACS Nano
Published
2022-08-23
Volume
16
Issue
9
Pages
14885-14894
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W4292787758
Cited by
104
References
50
Citations by year
2026: 14 · 2025: 30 · 2024: 30 · 2023: 29 · 2022: 1
FWCI
4.05
Type
journal article
Language
en
Open access
closed
Locations
  • ACS Nano (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Science and Technology of the People's Republic of China (2017YFA0208200, 2020YFB1505802)
  • National Natural Science Foundation of China (22025108, 22121001, 52072323, 52122211, U21A20327)
  • Xiamen University
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
  • Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
Keywords
phase engineering, hydrogen evolution reaction, hydrogen oxidation, hydrogen adsorption, catalyst stability

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