Journal
JOURNAL OF POWER SOURCES
Volume 260, Issue -, Pages 77-81Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2014.03.015
Keywords
Core@shell nano-structures; Hydrazine borane; Hydrolysis; Nickel; Platinum
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Nickel and platinum were used to prepare a series of core@shell structures to be studied as catalysts for the dehydrogenation of aqueous hydrazine borane N2H4BH3 at 50 degrees C. The challenge was especially to get a maximum of 3 mol of gas by decomposition of the N2H4 moiety. In our conditions, the most efficient Ni@Pt was found to be the structure constituted of 5 atoms of nickel for 1 atom of platinum. This catalyst permits to generate up to 4.5 mol H-2 + N-2. Surface characterizations showed that the efficiency of this catalyst is due to the presence of both metals on the surface, suggesting therefore that the structure would be rather Ni@NiPt. Our main results are reported herein. (C) 2014 Elsevier B.V. All rights reserved.
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