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Size Specifically High Activity of Ru Nanoparticles for Hydrogen Oxidation Reaction in Alkaline Electrolyte
Abstract
The hydrogen oxidation reaction (HOR) in alkaline electrolyte was conducted on carbon-supported Ru nanoparticles (Ru/C) of which size was controlled in the range from approximately 2 to 7 nm. The HOR activity of Ru/C normalized by the metal surface area showed volcano shaped dependence on the particle size with a maximum activity at approximately 3 nm. The HOR activity of approximately 3 nm Ru/C was higher than commercially available Pt nanoparticles (ca. 2 nm) supported on carbon. The structural analysis of Ru/C using Cs-corrected scanning transmission electron microscopy with atomic resolution revealed the unique structural change of Ru/C different from Pt/C: Ru nanoparticle structure changed from amorphous-like structure below 3 nm to metal nanocrystallite with roughened surface at approximately 3 nm and then to that with well-defined facets above 3 nm, although Pt/C kept well-defined facets even at approximately 2 nm. It is proposed that the generation of unique structure observed on approximately 3 nm Ru nanoparticles, that is, long bridged coordinatively unsaturated Ru metal surface atoms on its nanocrystallite, is a key to achieve high HOR activity.
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Cites
Hydrogen Oxidation and Evolution Reaction Kinetics on Platinum: Acid vs Alkaline Electrolytes
Sheng, W., Gasteiger, H. A., & Shao-Horn, Y. (2010) · Journal of The Electrochemical Society · doi:10.1149/1.3483106 · Cited by 1,829
Identification of Active Gold Nanoclusters on Iron Oxide Supports for CO Oxidation
Herzing, A. A., Kiely, C. J., Carley, A. F., Landon, P., & Hutchings, G. J. (2008) · Science · doi:10.1126/science.1159639 · Cited by 1,530
Platinum-Based Nanostructured Materials: Synthesis, Properties, and Applications
Chen, A., & Holt-Hindle, P. (2010) · Chemical Reviews · doi:10.1021/cr9003902 · Cited by 1,390
Shao, M., Peles, A., & Shoemaker, K. (2011) · Nano Letters · doi:10.1021/nl2017459 · Cited by 878
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Electrocatalysis in Alkaline Media and Alkaline Membrane-Based Energy Technologies
Yang, Y., Peltier, C. R., Zeng, R., Schimmenti, R., Li, Q., Huang, X., Yan, Z., Potsi, G., Selhorst, R., Lu, X., et al. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00331 · Cited by 544
Zhu, S., Qin, X., Xiao, F., Yang, S., Xu, Y., Tan, Z., Li, J., Yan, J., Chen, Q., Chen, M., et al. (2021) · Nature Catalysis · doi:10.1038/s41929-021-00663-5 · Cited by 436
Bhowmik, T., Kundu, M. K., & Barman, S. (2016) · ACS Catalysis · doi:10.1021/acscatal.5b02485 · Cited by 299
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Metadata
- Authors
- Ohyama, J., Sato, T., Yamamoto, Y., Arai, S., & Satsuma, A.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-05-16
- Volume
- 135
- Issue
- 21
- Pages
- 8016-8021
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2035726530
- Cited by
- 265
- References
- 5
- FWCI
- 3.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ohyama, J., Sato, T., Yamamoto, Y., Arai, S., & Satsuma, A. (2013). Size Specifically High Activity of Ru Nanoparticles for Hydrogen Oxidation Reaction in Alkaline Electrolyte. Journal of the American Chemical Society. https://doi.org/10.1021/ja4021638
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