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Abstract The reactivity of Pd/Al2O3-CuO catalysts was not enhanced with the increase of CuO contents and the Pd/AlCu50 1 performed best in ethanol oxidation reaction. The more PdO and less… Click to show full abstract
Abstract The reactivity of Pd/Al2O3-CuO catalysts was not enhanced with the increase of CuO contents and the Pd/AlCu50 1 performed best in ethanol oxidation reaction. The more PdO and less PdCl2 were conducive to the oxidation reaction. The larger quantity of Al3+ was conductive to the transformation from gaseous oxygen to active oxygen species and could provide more adsorption sites. The Pd-Cu alloy decreased the reduction temperatures of Pd and Cu oxides and enhanced the interaction between Pd and Cu species. Furthermore, the large content of high crystalline degree lattice plane (−111) might be beneficial for the higher reactivity.
Journal Title: Chemical Physics Letters
Year Published: 2019
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