Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 42, Issue 17, Pages 12420-12429Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2017.03.055
Keywords
Nanostructures; Mesoporous; Hydrogen storage; Discharge capacity; Electron microscopy
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Funding
- council of Iran National Science Foundation (INSF)
- University of Kashan [159271/190]
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A facile precipitation method with the subsequent thermal treatment has been developed for the synthesis of Zn2SnO4 nanostructures in presence of tetraethylenepentamine (TEPA) with long chain as a capping and basic agent. The effects of different parameters such as precursor of Zn, solvent, reaction time and temperature were studied to reach optimum size and morphology conditions. More importantly, through controlling the experimental conditions, three different morphologies of nanoparticle, nanorod and nanoplate Zn2SnO4 mesoporous through one reaction were successfully obtained. In this paper, hydrogen storage capacity of Zn2SnO4 nanoparticle reported for the first time. Furthermore, the mesoporous of Zn2SnO4 nanoparticle showed high electrochemical hydrogen storage capacities at room temperature. After 13 cycles, the discharging capacities of the electrode still remain above 4650 mAh/g. These results indicate that the mesoporous Zn2SnO4 nanoparticle may be potentially applied for electrochemical hydrogen storage. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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