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Issue 24, 2018
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Anchoring ultrafine RhNi nanoparticles on titanium carbides/manganese oxide as an efficient catalyst for hydrogen generation from hydrous hydrazine

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Abstract

The development of a cost-effective catalyst with high activity and 100% selectivity for hydrogen production from hydrous hydrazine under mild conditions is desirable for fuel cell applications. In this work, a series of RhNi/MnOx-MXene NPs are prepared using a simple one-step wet-chemical method. The synthesized RhNi/MXene catalysts are characterized by XPS, TEM, SEM and ICP-AES. The ultrafine RhNi nanoparticles of 2.8 nm size are well dispersed on the bi-support (MnOx-MXene) surface and avoid the aggregation of RhNi nanoparticles. This unique nanocatalytic system shows an active performance toward N2H4·H2O decomposition under mild conditions. The optimized Rh0.7Ni0.3/MnOx-MXene NPs exhibit excellent catalytic properties, and the corresponding TOF value can reach 1101.9 h−1 with 100% H2 selectivity under mild conditions. The remarkable catalytic performance is attributed to the mild interactions of the bi-support to the NPs, which not only stabilizes the NPs to maintain good dispersion but also leaves sufficient surface active sites to facilitate the catalytic reaction.

Graphical abstract: Anchoring ultrafine RhNi nanoparticles on titanium carbides/manganese oxide as an efficient catalyst for hydrogen generation from hydrous hydrazine

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Publication details

The article was received on 19 Sep 2018, accepted on 05 Nov 2018 and first published on 07 Nov 2018


Article type: Paper
DOI: 10.1039/C8NJ04766A
Citation: New J. Chem., 2018,42, 20001-20006

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    Anchoring ultrafine RhNi nanoparticles on titanium carbides/manganese oxide as an efficient catalyst for hydrogen generation from hydrous hydrazine

    B. Yin, Q. Wang, T. Liu and G. Gao, New J. Chem., 2018, 42, 20001
    DOI: 10.1039/C8NJ04766A

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