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Graphene oxide/metal nanocrystal multilaminates as the atomic limit for safe and selective hydrogen storage

Author

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  • Eun Seon Cho

    (The Molecular Foundry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA)

  • Anne M. Ruminski

    (The Molecular Foundry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA)

  • Shaul Aloni

    (The Molecular Foundry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA)

  • Yi-Sheng Liu

    (The Advanced Light Source, Lawrence Berkeley National Laboratory)

  • Jinghua Guo

    (The Advanced Light Source, Lawrence Berkeley National Laboratory)

  • Jeffrey J. Urban

    (The Molecular Foundry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA)

Abstract

Interest in hydrogen fuel is growing for automotive applications; however, safe, dense, solid-state hydrogen storage remains a formidable scientific challenge. Metal hydrides offer ample storage capacity and do not require cryogens or exceedingly high pressures for operation. However, hydrides have largely been abandoned because of oxidative instability and sluggish kinetics. We report a new, environmentally stable hydrogen storage material constructed of Mg nanocrystals encapsulated by atomically thin and gas-selective reduced graphene oxide (rGO) sheets. This material, protected from oxygen and moisture by the rGO layers, exhibits exceptionally dense hydrogen storage (6.5 wt% and 0.105 kg H2 per litre in the total composite). As rGO is atomically thin, this approach minimizes inactive mass in the composite, while also providing a kinetic enhancement to hydrogen sorption performance. These multilaminates of rGO-Mg are able to deliver exceptionally dense hydrogen storage and provide a material platform for harnessing the attributes of sensitive nanomaterials in demanding environments.

Suggested Citation

  • Eun Seon Cho & Anne M. Ruminski & Shaul Aloni & Yi-Sheng Liu & Jinghua Guo & Jeffrey J. Urban, 2016. "Graphene oxide/metal nanocrystal multilaminates as the atomic limit for safe and selective hydrogen storage," Nature Communications, Nature, vol. 7(1), pages 1-8, April.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms10804
    DOI: 10.1038/ncomms10804
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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).
    2. Duan, Congwen & Tian, Yating & Wang, Xinya & Wu, Mengmeng & Fu, Dong & Zhang, Yuling & Lv, Wei & Su, Zhaohua & Xue, Zhiyong & Wu, Ying, 2022. "Ni-CNTs as an efficient confining framework and catalyst for improving dehydriding/rehydriding properties of MgH2," Renewable Energy, Elsevier, vol. 187(C), pages 417-427.

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