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Coke-resistant defect-confined Ni-based nanosheet-like catalysts derived from halloysites for CO2 reforming of methane

Abstract

In this work, the halloysites , one of the most abundant clays, with hollow nanotube feature was reconstructed by selectively etching the silica from the outermost layer of the halloysites associated with unzipping the nanotubes to nanosheets via ball milling, and then nickel nanoparticles are confined by the resulting defects on the nanosheet to boost charge transfer by a wet impregnation method. The obtained materials were developed as the coke-resistant defect-confined Ni-based nanosheet-like catalysts for CO2 reforming of methane (CRM) for the first time. The as-prepared catalyst exhibited good coke- and sintering-resistance performance in CRM, and especially, there was almost no loss of activity even after a 20 h stability test due to the strong interaction between Ni nanoparticles and support. The present investigations may pave a new pathway for the design and application of highly coke-resistant CRM catalysts.

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Publication details

The article was received on 10 Mar 2018, accepted on 12 May 2018 and first published on 14 May 2018


Article type: Paper
DOI: 10.1039/C8NR02006J
Citation: Nanoscale, 2018, Accepted Manuscript
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    Coke-resistant defect-confined Ni-based nanosheet-like catalysts derived from halloysites for CO2 reforming of methane

    M. Lu, J. Fang, L. Han, K. Faungnawakij, H. Li, S. Cai, L. Shi, H. Jiang and D. Zhang, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C8NR02006J

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