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.

引用

页码：2741 / 2751

页数：11

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