期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 40, 期 10, 页码 3883-3891出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2015.01.122
关键词
Transition metal carbide; Bimetallic catalyst; Ruthenium; Nickel; Ammonia borane
资金
- National Natural Science Foundation of China [21207109]
Graphene-like transition metal carbide [Ti3C2X2 (X = OH and/or F)]-supported RuNi bimetallic nanoparticles (NPs) were synthesized from the co-reduction of ruthenium chloride and nickel chloride with Ti3C2X2 as a stabilizer and carrier. Ti3C2X2-supported RuNi NPs were well dispersed in aqueous solution. The as-synthesized composites were applied as catalysts in the hydrolysis of ammonia borane (AB), which is a promising solid-state hydrogen storage material for portable fuel cell application. Results indicated that the RuNi/Ti3C2X2 catalyst was highly active for the hydrolysis of AB at room temperature, with the highest turnover frequency number of 824.7 mol H-2. (mol Ru.min)(-1). The activation energy for the hydrolysis of AB in the aqueous phase reached 25.7 kJ/mol, which was lower than most of the reported values. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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