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Nano Research 2018, 11(8): 4412-4422 https://doi.org/10.1007/s12274-018-2031-y
Research Article | Issue | Published: 13 March 2018

Facile synthesis of graphene-supported Ni-CeOx nanocomposites as highly efficient catalysts for hydrolytic dehydrogenation of ammonia borane

Show Author's Information Qilu Yao1,  Zhang-Hui Lu1( ),  Yuwen Yang1,  Yuzhen Chen2,  Xiangshu Chen1( ),  Hai-Long Jiang2( )
Institute of Advanced Materials (IAM)College of Chemistry and Chemical EngineeringJiangxi Normal UniversityNanchang330022China
Hefei National Laboratory for Physical Sciences at the MicroscaleCollaborative Innovation Center of Suzhou Nano Science and TechnologyDepartment of ChemistryUniversity of Science and Technology of ChinaHefei230026China
Keywords:
catalysis, graphene, nickel, ammonia borane, hydrogen generation
Cite this article:
Yao Q, Lu Z-H, Yang Y, et al. Facile synthesis of graphene-supported Ni-CeOx nanocomposites as highly efficient catalysts for hydrolytic dehydrogenation of ammonia borane. Nano Research, 2018, 11(8): 4412-4422. https://doi.org/10.1007/s12274-018-2031-y
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Abstract Full text Electronic supplementary material About this article

Development of low-cost and high-performance catalysts for hydrogen generation via hydrolysis of ammonia borane (NH3BH3, AB) is a highly desirable pathway for future hydrogen utilization. In this work, Ni nanocatalysts doped with CeOx and supported on graphene (Ni-CeOx/graphene) were synthesized via a facile chemical reduction route and applied as robust catalysts for the hydrolysis of AB in aqueous solution at room temperature. The as-synthesized Ni-CeOx/graphene nanocomposites (NCs) exhibited excellent catalytic activity with a turnover frequency (TOF) as high as 68.2 min-1, which is 49-fold higher than that for a simple Ni nanoparticle catalyst and is among the highest values reported for non-noble metal catalysts in AB hydrolysis. The development of efficient and low-cost Ni-CeOx/graphene catalysts enhances the feasibility of using ammonia borane as a chemical hydrogen storage material, which may find application ina hydrogen fuel-cell based economy.


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About this article

Facile synthesis of graphene-supported Ni-CeOx nanocomposites as highly efficient catalysts for hydrolytic dehydrogenation of ammonia borane

Show Author's information Qilu Yao1, Zhang-Hui Lu1( ), Yuwen Yang1, Yuzhen Chen2, Xiangshu Chen1( ), Hai-Long Jiang2( )
Institute of Advanced Materials (IAM)College of Chemistry and Chemical EngineeringJiangxi Normal UniversityNanchang330022China
Hefei National Laboratory for Physical Sciences at the MicroscaleCollaborative Innovation Center of Suzhou Nano Science and TechnologyDepartment of ChemistryUniversity of Science and Technology of ChinaHefei230026China

Abstract

Development of low-cost and high-performance catalysts for hydrogen generation via hydrolysis of ammonia borane (NH3BH3, AB) is a highly desirable pathway for future hydrogen utilization. In this work, Ni nanocatalysts doped with CeOx and supported on graphene (Ni-CeOx/graphene) were synthesized via a facile chemical reduction route and applied as robust catalysts for the hydrolysis of AB in aqueous solution at room temperature. The as-synthesized Ni-CeOx/graphene nanocomposites (NCs) exhibited excellent catalytic activity with a turnover frequency (TOF) as high as 68.2 min-1, which is 49-fold higher than that for a simple Ni nanoparticle catalyst and is among the highest values reported for non-noble metal catalysts in AB hydrolysis. The development of efficient and low-cost Ni-CeOx/graphene catalysts enhances the feasibility of using ammonia borane as a chemical hydrogen storage material, which may find application ina hydrogen fuel-cell based economy.

Keywords: catalysis, graphene, nickel, ammonia borane, hydrogen generation

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Publication history
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Acknowledgements

Publication history

Received: 08 December 2017
Revised: 12 February 2018
Accepted: 18 February 2018
Published: 13 March 2018
Issue date: August 2018

Copyright

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Acknowledgements

Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (Nos. 21763012, 21463012, 21371162, 21673213, and 21521001), the Natural Science Foundation of Jiangxi Province of China (Nos. 20171ACB21021 and 2016BAB203087), and the National Research Fund for Fundamental Key Project (No. 2014CB931803).

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