期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 43, 期 47, 页码 21642-21648出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2018.03.207
关键词
Electrochemical hydrogen storage; Hydrogen evolution reaction; Nano hexagons; Potentiostatic electrodeposition
资金
- DST, New Delhi [IFA-11/PH-06, IFA-13/PH-84]
- SERB, New Delhi [ECR/2016/1780, ECR/2016/1888]
- UGC-DAE CSR, Indore [CSR-IC/CRS-73/2014-15/581]
Bismuth nano hexagons were synthesized using potentiostatic electrodeposition and studied for their performance towards electrochemical hydrogen storage and evolution. Regular hexagons with edge length approximate to 500 nm and thickness approximate to 80 nm were observed in scanning electron microscopy (SEM). X-ray diffraction (XRD) pattern indicates the presence of poly-crystalline bismuth and bismuth oxide in rhombohedral and cubic phases respectively. X-ray photoelectron spectroscopy (XPS) studies further confirm the presence of two phases of bismuth i.e. elemental bismuth and bismuth (III) oxide. Results indicate that these nano hexagons show good hydrogen ion (H+) storage and successive hydrogen gas (H-2) evolution characteristics. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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