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Issue 49, 2018
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Size structure–catalytic performance correlation of supported Ni/MCF-17 catalysts for COx-free hydrogen production

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Abstract

Herein, supported Ni/MCF-17 catalysts with the size of nickel nanocrystal in the range of 1.5–8.0 nm were synthesized and employed for COx-free hydrogen production for fuel cells via the ammonia decomposition reaction. Characterized by a variety of techniques, the results show that nickel particles are in a highly dispersed state with a uniform particle size for each catalyst. Furthermore, the influence of particle size on the catalytic performance has been investigated. It was later revealed that Ni nanoparticles with different particle sizes exhibited significant differences in catalyzing the COx-free hydrogen production reaction. Moreover, the catalyst with the Ni nanoparticle size around 3.0 nm exhibited highest catalytic activity at each reaction temperature; this could be explained by the presence of high B5 active sites on the Ni-based catalyst surface.

Graphical abstract: Size structure–catalytic performance correlation of supported Ni/MCF-17 catalysts for COx-free hydrogen production

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Publication details

The article was received on 09 Mar 2018, accepted on 10 May 2018 and first published on 11 May 2018


Article type: Communication
DOI: 10.1039/C8CC01884G
Citation: Chem. Commun., 2018,54, 6364-6367
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    Size structure–catalytic performance correlation of supported Ni/MCF-17 catalysts for COx-free hydrogen production

    Y. Li, J. Wen, A. M. Ali, M. Duan, W. Zhu, H. Zhang, C. Chen and Y. Li, Chem. Commun., 2018, 54, 6364
    DOI: 10.1039/C8CC01884G

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