Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 45, Issue 35, Pages 17164-17173Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.04.257
Keywords
Heterogeneous catalysis; Hydrogen production; Ammonia borane; Synergistic effect
Categories
Funding
- Natural Science Foundation of Guangdong Province [2018A030313859]
- Major Project of Fundamental and Application Research of the Department of Education of Guangdong Province [2017KZDXM079]
- Science & Technology project of Huizhou City [2017C0412028]
- Natural Science Foundation of Huizhou University [20180927172750326, HZU201714, HZU201906]
- Professorial and Doctoral Scientific Research Foundation of Huizhou University [2018JB036]
- Science and Technology Innovation Foundation for College Student of Guangdong Province [PDJH2019b0470]
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The development of inexpensive and high performing catalysts for ammonia borane (NH3BH3) hydrolysis is crucial for hydrogen production. In our research, a high-performance plate-like Cu2O-CoO nanocomposite catalyst for NH3BH3 hydrolysis has been developed for the first time. In the hydrolytic reaction, both Cu2O and CoO are separately inactive, while Cu2O-CoO nanoplates show a high turnover frequency of 34.1 mol(hydrogen) min(-1) mol(cat)(-1), which is attributed to the synergistic effect between Cu2O and CoO. It is interesting to discover that the induction time for the hydrolytic reaction is reduced to null when a small amount of Cu2O is introduced into CoO. The reaction kinetics of NH3BH3 hydrolysis catalyzed by Cu2O-CoO is also investigated. This work may provide other researchers some valuable insights into designing inexpensive and synergistic catalysts with enhanced catalytic activity for NH3BH3 hydrolysis for hydrogen production. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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