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- W2912269741 abstract "Developing advanced catalysts ideally requires fundamental knowledge of the chemical and physical transformations occurred in the preparation process of the catalysts. Herein, we report a careful study of the formation mechanism of bimetallic nickel-platinum (Ni-Pt) nanocatalyst supported on ceria (CeO2), which was prepared by co-precipitation method. A combination of phase/structure/chemical state analyses show that the preparation process of the catalyst involves the formation of [(CH3)4N]2PtCl6 and CeNi0.5Ox phases in the co-precipitation step and their phase evolution in the subsequent aging and reduction steps. The conversion of [(CH3)4N]2PtCl6 to metallic Pt in the aging step is a key event in the preparation process, which exerts profound effects on the composition, microstructural feature and accordingly the catalytic property of the catalyst. These results clearly describe the formation mechanism of Ni-Pt/CeO2 catalyst, which should be significant for the rational design and controlled synthesis of high-performance catalysts for chemical hydrogen storage/generation." @default.
- W2912269741 created "2019-02-21" @default.
- W2912269741 creator A5041580368 @default.
- W2912269741 creator A5047360263 @default.
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- W2912269741 date "2019-05-01" @default.
- W2912269741 modified "2023-10-04" @default.
- W2912269741 title "Study of formation mechanism of Ni-Pt/CeO2 catalyst for hydrogen generation from hydrous hydrazine" @default.
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- W2912269741 doi "https://doi.org/10.1016/j.jallcom.2019.01.378" @default.
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