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Browsing by Author "Ceylan, Esra"

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    Preparation of Carbon-Supported Nico Alloy Nanoparticles and Evaluation of Their Catalytic Activity in the Methanolysis of Ammonia Borane
    (Elsevier Sci Ltd, 2023) Top, Tuba; Yurderi, Mehmet; Bulut, Ahmet; Karakoyun, Necdet; Ceylan, Esra; Zahmakiran, Mehmet
    The present work reported the development of carbon-supported bimetallic NiCo nanoparticles for H2 production in the methanolysis of AB for electricity generation from fuel cells. It was investigated by powder X-ray diffraction (P-XRD), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS) techniques. The catalytic properties of the Ni0.19Co0.81/C catalyst were carefully evaluated in terms of catalytic performance, such as different temperatures, metal [NiCo] loadings, substrate [AB] concentrations, and recyclability in 10 runs. The resulting N0.19Co0.81/C catalyst exhibits good catalytic activity with a high initial TOF of 136.65 min-1 and activation energy of 33.38 kJ mol- 1 for AB methanolysis. Moreover, in the recyclability test, the Ni0.19Co0.81/C catalyst maintained 95 % of its initial activity with 100 % conversion after ten runs.