Fabrication of electrochemically interconnected MoO3/GO/MWCNTs/graphite sheets for high performance all-solid-state symmetric supercapacitor

被引：47
作者：
Faraji, Masoud [1 ]
Abedini, Amir [2 ]
机构：
[1] Urmia Univ, Electrochem Res Lab, Dept Phys Chem, Orumiyeh, Iran
[2] Isfahan Univ Technol, Dept Phys Chem, Fac Chem, Esfahan 8415683111, Iran
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2019年 / 44卷 / 05期
关键词：
All-solid-state supercapacitor; Molybdenum oxide; Graphene oxide; Multi walled carbon nanotubes; Graphite; GRAPHENE OXIDE/CARBON NANOTUBES; CARBON NANOTUBES; CHARGE STORAGE; THIN-FILMS; OXIDE; ELECTRODES; NANOCOMPOSITES; NANOSHEETS; ENERGY; HYBRIDS;
D O I：
10.1016/j.ijhydene.2018.12.015
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Binder-free MoO3/GO/MWCNTs/graphite sheets were successfully fabricated via electro-deposition of graphene oxide and functionalized multi walled carbon nanotube onto graphite sheets followed by electrodeposition of molybdenum oxide. The capacitive behavior of the MoO3/GO/MWCNTs/G sheet was found to be superior with respect to those of MoO3/MWCNTs/graphite and MoO3/GO/G sheets. The high wettability, interconnected structure and synergetic effects between MoO3, GO and MWCNTs made the MoO3/GO/MWCNTs/G sheet exhibited a high areal capacitance of 103 mF cm(-2) at current density of 0.7 mA cm(-2) in 1.0 M KCl. An all-solid-state symmetric supercapacitor device prepared by using the MoO3/GO/MWCNTs/G sheet as both positive and negative electrodes showed high cell voltage of 2.5 V and remarkable cycle life of 86.8% retention after 2000 cycles, suggesting the possibility for practical applications in energy storage device. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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页码：2741 / 2751
页数：11
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