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Nano Research 2022, 15(5): 3964-3970 https://doi.org/10.1007/s12274-022-4081-4
Research Article | Issue | Published: 29 January 2022

S incorporated RuO2-based nanorings for active and stable water oxidation in acid

Show Author's Information Qing Yao1,2,  Zhiyong Yu1,  Ying-Hao Chu3,  Yu-Hong Lai3,  Ting-Shan Chan4,  Yong Xu5( ),  Qi Shao1,  Xiaoqing Huang2( )
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
Department of Materials Science and Engineering, "National Yang Ming Chiao Tung University", Hsinchu 30010, Taiwan, China
"National Synchrotron Radiation Research Center", 101 Hsin-Ann Road, Hsinchu 30076, Taiwan, China
Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Collaborative Innovation Center of Advanced Energy Materials, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
Keywords:
oxygen evolution reaction, S incorporation, RuCu nanoring, stable, acidic
Topics:
Reaction
Cite this article:
Yao Q, Yu Z, Chu Y-H, et al. S incorporated RuO2-based nanorings for active and stable water oxidation in acid. Nano Research, 2022, 15(5): 3964-3970. https://doi.org/10.1007/s12274-022-4081-4
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Abstract Electronic supplementary material About this article

The design of highly active and stable RuO2-based nanostructures for acidic oxygen evolution reaction (OER) is extremely important for the development of water electrolysis technology, yet remains great challenges. We here demonstrate that the incorporation of S into RuCuO nanorings (NRs) can significantly enhance the acidic OER performance. Experimental investigations show that the incorporation of S can optimize the interaction of Ru and O, and therefore significantly suppresses the dissolution of Ru in acidic condition. The optimized catalyst (SH-RuCuO NRs) displays superior OER performance to the commercial RuO2/C. Impressively, the SH-RuCuO NRs can exhibit significantly enhanced stability for 3,000 cycles of cyclic voltammetry test and more than 250 h chronopotentiometry test at 10 mA·cm−2 in 0.5 M H2SO4. This work highlights a potential strategy for designing active and stable RuO2-based electrocatalysts for acidic OER.

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Acknowledgements

Publication history

Received: 09 November 2021
Revised: 14 December 2021
Accepted: 19 December 2021
Published: 29 January 2022
Issue date: May 2022

Copyright

© Tsinghua University Press 2022

Acknowledgements

Acknowledgements

This work was financially supported by the National Key R&D Program of China (Nos. 2017YFA0208200 and 2016YFA0204100), the National Natural Science Foundation of China (Nos. 22025108 and 51802206), Guangdong Provincial Natural Science Fund for Distinguished Young Scholars (No. 2021B1515020081), the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), and the start-up supports from Xiamen University and the Guangzhou Key Laboratory of Low Dimensional Materials and Energy Storage Devices (No. 20195010002). XAS measurements were supported by "National Synchrotron Radiation Research Center" (NSRRC) and Shanghai Synchrotron Radiation Facility (SSRF), China.

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