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Coupled molybdenum carbide and reduced graphene oxide electrocatalysts for efficient hydrogen evolution

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  • Ji-Sen Li

    (Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University
    Key Laboratory of Inorganic Chemistry in Universities of Shandong, Jining University)

  • Yu Wang

    (Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University)

  • Chun-Hui Liu

    (Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University)

  • Shun-Li Li

    (Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University)

  • Yu-Guang Wang

    (Key Laboratory of Inorganic Chemistry in Universities of Shandong, Jining University)

  • Long-Zhang Dong

    (Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University)

  • Zhi-Hui Dai

    (Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University)

  • Ya-Fei Li

    (Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University)

  • Ya-Qian Lan

    (Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University)

Abstract

Electrochemical water splitting is one of the most economical and sustainable methods for large-scale hydrogen production. However, the development of low-cost and earth-abundant non-noble-metal catalysts for the hydrogen evolution reaction remains a challenge. Here we report a two-dimensional coupled hybrid of molybdenum carbide and reduced graphene oxide with a ternary polyoxometalate-polypyrrole/reduced graphene oxide nanocomposite as a precursor. The hybrid exhibits outstanding electrocatalytic activity for the hydrogen evolution reaction and excellent stability in acidic media, which is, to the best of our knowledge, the best among these reported non-noble-metal catalysts. Theoretical calculations on the basis of density functional theory reveal that the active sites for hydrogen evolution stem from the pyridinic nitrogens, as well as the carbon atoms, in the graphene. In a proof-of-concept trial, an electrocatalyst for hydrogen evolution is fabricated, which may open new avenues for the design of nanomaterials utilizing POMs/conducting polymer/reduced-graphene oxide nanocomposites.

Suggested Citation

  • Ji-Sen Li & Yu Wang & Chun-Hui Liu & Shun-Li Li & Yu-Guang Wang & Long-Zhang Dong & Zhi-Hui Dai & Ya-Fei Li & Ya-Qian Lan, 2016. "Coupled molybdenum carbide and reduced graphene oxide electrocatalysts for efficient hydrogen evolution," Nature Communications, Nature, vol. 7(1), pages 1-8, September.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11204
    DOI: 10.1038/ncomms11204
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    Cited by:

    1. Yang, Yang & Li, Jun & Yang, Yingrui & Lan, Linghan & Liu, Run & Fu, Qian & Zhang, Liang & Liao, Qiang & Zhu, Xun, 2022. "Gradient porous electrode-inducing bubble splitting for highly efficient hydrogen evolution," Applied Energy, Elsevier, vol. 307(C).
    2. Yang Yang & Yumin Qian & Zhaoping Luo & Haijing Li & Lanlan Chen & Xumeng Cao & Shiqiang Wei & Bo Zhou & Zhenhua Zhang & Shuai Chen & Wenjun Yan & Juncai Dong & Li Song & Wenhua Zhang & Renfei Feng & , 2022. "Water induced ultrathin Mo2C nanosheets with high-density grain boundaries for enhanced hydrogen evolution," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    3. Hussain, Sajjad & Vikraman, Dhanasekaran & Akbar, Kamran & Naqvi, Bilal Abbas & Abbas, Syed Mustansar & Kim, Hyun-Seok & Chun, Seung-Hyun & Jung, Jongwan, 2019. "Fabrication of MoSe2 decorated three-dimensional graphene composites structure as a highly stable electrocatalyst for improved hydrogen evolution reaction," Renewable Energy, Elsevier, vol. 143(C), pages 1659-1669.
    4. Xu, Fei & Yu, Chen & Qian, Guangfu & Luo, Lin & Hasan, Syed Waqar & Yin, Shibin & Tsiakaras, Panagiotis, 2020. "Electrocatalytic production of hydrogen over highly efficient ultrathin carbon encapsulated S, P co-existence copper nanorods composite," Renewable Energy, Elsevier, vol. 151(C), pages 1278-1285.

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