Abstract
Stabilized Ni nanoparticles were prepared via feasible one-pot hydrothermal treatment of SBA-15. XPS, H2-TPR and TEM results reveal that the strong interaction between Ni and support in silicate precursor could effectively produce small-sized Ni particles with an average size of 5.1 nm and inhibit the sintering of Ni. So-prepared catalyst showed improved activity and stability towards DRM. Noticeably, neglectable carbon deposition was detected on the spent catalyst after a 30-hours catalytic run at 650 °C. Such high performance is attributed to the enhanced stabilization of Ni nanoparticles, which could harbor massive active sites and restrain the growth of carbon species.
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