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A mechanical-force-driven physical vapour deposition approach to fabricating complex hydride nanostructures

Author

Listed:
  • Yuepeng Pang

    (State Key Laboratory of Silicon Materials, Zhejiang University)

  • Yongfeng Liu

    (State Key Laboratory of Silicon Materials, Zhejiang University)

  • Mingxia Gao

    (State Key Laboratory of Silicon Materials, Zhejiang University)

  • Liuzhang Ouyang

    (School of Materials Science and Engineering and Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology)

  • Jiangwen Liu

    (School of Materials Science and Engineering and Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology)

  • Hui Wang

    (School of Materials Science and Engineering and Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology)

  • Min Zhu

    (School of Materials Science and Engineering and Key Laboratory of Advanced Energy Storage Materials of Guangdong Province, South China University of Technology)

  • Hongge Pan

    (State Key Laboratory of Silicon Materials, Zhejiang University)

Abstract

Nanoscale hydrides desorb and absorb hydrogen at faster rates and lower temperatures than bulk hydrides because of their high surface areas, abundant grain boundaries and short diffusion distances. No current methods exist for the direct fabrication of nanoscale complex hydrides (for example, alanates, borohydrides) with unique morphologies because of their extremely high reducibility, relatively low thermodynamic stability and complicated elemental composition. Here, we demonstrate a mechanical-force-driven physical vapour deposition procedure for preparing nanoscale complex hydrides without scaffolds or supports. Magnesium alanate nanorods measuring 20–40 nm in diameter and lithium borohydride nanobelts measuring 10–40 nm in width are successfully synthesised on the basis of the one-dimensional structure of the corresponding organic coordination polymers. The dehydrogenation kinetics of the magnesium alanate nanorods are improved, and the nanorod morphology persists through the dehydrogenation–hydrogenation process. Our findings may facilitate the fabrication of such hydrides with improved hydrogen storage properties for practical applications.

Suggested Citation

  • Yuepeng Pang & Yongfeng Liu & Mingxia Gao & Liuzhang Ouyang & Jiangwen Liu & Hui Wang & Min Zhu & Hongge Pan, 2014. "A mechanical-force-driven physical vapour deposition approach to fabricating complex hydride nanostructures," Nature Communications, Nature, vol. 5(1), pages 1-9, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4519
    DOI: 10.1038/ncomms4519
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    Cited by:

    1. Liu, Yongfeng & Zhang, Wenxuan & Zhang, Xin & Yang, Limei & Huang, Zhenguo & Fang, Fang & Sun, Wenping & Gao, Mingxia & Pan, Hongge, 2023. "Nanostructured light metal hydride: Fabrication strategies and hydrogen storage performance," Renewable and Sustainable Energy Reviews, Elsevier, vol. 184(C).

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