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Revealing the role of interfacial water and key intermediates at ruthenium surfaces in the alkaline hydrogen evolution reaction

Author

Listed:
  • Xing Chen

    (iChEM, Xiamen University)

  • Xiao-Ting Wang

    (iChEM, Xiamen University)

  • Jia-Bo Le

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences)

  • Shu-Min Li

    (iChEM, Xiamen University)

  • Xue Wang

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences)

  • Yu-Jin Zhang

    (iChEM, Xiamen University)

  • Petar Radjenovic

    (iChEM, Xiamen University)

  • Yu Zhao

    (iChEM, Xiamen University)

  • Yao-Hui Wang

    (iChEM, Xiamen University)

  • Xiu-Mei Lin

    (iChEM, Xiamen University
    Fujian Province University Key Laboratory of Analytical Science, Minnan Normal University)

  • Jin-Chao Dong

    (iChEM, Xiamen University
    Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM))

  • Jian-Feng Li

    (iChEM, Xiamen University
    Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM))

Abstract

Ruthenium exhibits comparable or even better alkaline hydrogen evolution reaction activity than platinum, however, the mechanistic aspects are yet to be settled, which are elucidated by combining in situ Raman spectroscopy and theoretical calculations herein. We simultaneously capture dynamic spectral evidence of Ru surfaces, interfacial water, *H and *OH intermediates. Ru surfaces exist in different valence states in the reaction potential range, dissociating interfacial water differently and generating two distinct *H, resulting in different activities. The local cation tuning effect of hydrated Na+ ion water and the large work function of high-valence Ru(n+) surfaces promote interfacial water dissociation. Moreover, compared to low-valence Ru(0) surfaces, high-valence Ru(n+) surfaces have more moderate adsorption energies for interfacial water, *H, and *OH. They, therefore, facilitate the activity. Our findings demonstrate the regulation of valence state on interfacial water, intermediates, and finally the catalytic activity, which provide guidelines for the rational design of high-efficiency catalysts.

Suggested Citation

  • Xing Chen & Xiao-Ting Wang & Jia-Bo Le & Shu-Min Li & Xue Wang & Yu-Jin Zhang & Petar Radjenovic & Yu Zhao & Yao-Hui Wang & Xiu-Mei Lin & Jin-Chao Dong & Jian-Feng Li, 2023. "Revealing the role of interfacial water and key intermediates at ruthenium surfaces in the alkaline hydrogen evolution reaction," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
  • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-41030-1
    DOI: 10.1038/s41467-023-41030-1
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    Cited by:

    1. Tao Zhang & Qitong Ye & Zengyu Han & Qingyi Liu & Yipu Liu & Dongshuang Wu & Hong Jin Fan, 2024. "Biaxial strain induced OH engineer for accelerating alkaline hydrogen evolution," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    2. Lingbin Xie & Longlu Wang & Xia Liu & Jianmei Chen & Xixing Wen & Weiwei Zhao & Shujuan Liu & Qiang Zhao, 2024. "Flexible tungsten disulfide superstructure engineering for efficient alkaline hydrogen evolution in anion exchange membrane water electrolysers," Nature Communications, Nature, vol. 15(1), pages 1-14, December.
    3. Xinyue Wang & Yuanjun Chen & Feng Li & Rui Kai Miao & Jianan Erick Huang & Zilin Zhao & Xiao-Yan Li & Roham Dorakhan & Senlin Chu & Jinhong Wu & Sixing Zheng & Weiyan Ni & Dongha Kim & Sungjin Park & , 2024. "Site-selective protonation enables efficient carbon monoxide electroreduction to acetate," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    4. Linjie Zhang & Haihui Hu & Chen Sun & Dongdong Xiao & Hsiao-Tsu Wang & Yi Xiao & Shuwen Zhao & Kuan Hung Chen & Wei-Xuan Lin & Yu-Cheng Shao & Xiuyun Wang & Chih-Wen Pao & Lili Han, 2024. "Bimetallic nanoalloys planted on super-hydrophilic carbon nanocages featuring tip-intensified hydrogen evolution electrocatalysis," Nature Communications, Nature, vol. 15(1), pages 1-12, December.

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