Magnesia–carbon nanotubes (MgO–CNTs) nanocomposite: novel support of ru catalyst for the generation of COx-free hydrogen from ammonia

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Abstract

Magnesia–carbon nanotubes (abbreviated as MgO–CNTs) nanocomposites were prepared by impregnation of CNTs with Mg(NO3)2·6H2O in ethanol solution, followed by drying at 353 K and calcination at 873 K, respectively. The nanocomposites are thermally more stable than CNTs in a H2 flow. The use of the nanocomposites as support yielded more efficient Ru catalysts for the generation of COx-free hydrogen from NH3 decomposition.

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