Reduced Graphene Oxide/Carbon Nanotube Composites for High Electrochemical Performance Supercapacitors

Yan Zhen Huang; Xiao Min Chen; Dong Xu Li

doi:10.4028/www.scientific.net/MSF.937.25

Paper Titles

Preface

The Electrical Characterization of Hydrogenated Amorphous Silicon Germanium Film Used in Un-Cooled Micro-Bolometer
p.3

The Optimization of Vertically Aligned Carbon Nanotubes’ Synthesis According to the Selected Parameters
p.9

Preparation of TiO₂-Reduced Graphene Oxide Nanocomposites for Sunlight Degradation of Methylene Blue
p.17

Reduced Graphene Oxide/Carbon Nanotube Composites for High Electrochemical Performance Supercapacitors
p.25

Investigation on Structural Steel and Silicon Carbide Aluminum Metal Matrix Composite Spur Gears Using PTC Creo and ANSYS 16.0
p.33

Analysis on Vibration Characteristics of Wind Turbine Blade to Improve the Effectiveness through CFD Developed by ANSYS
p.43

Research on Corrosion Resistance of Steel Pipes in Water of Oilfield
p.51

Effect of Welding Processes with High Heat Input on the Microstructure and Toughness of Coarse-Grained Heat-Affected Zone of a High-Strength High-Toughness Steel
p.61

HomeMaterials Science ForumMaterials Science Forum Vol. 937Reduced Graphene Oxide/Carbon Nanotube Composites...

Reduced Graphene Oxide/Carbon Nanotube Composites for High Electrochemical Performance Supercapacitors

Abstract:

Graphene, whose structure is composed of a single-atom-thick sheet of sp²-hybridized carbon atom, provides large specific surface area, excellent mechanical and chemical properties. In this paper, reduced graphene oxide/carbon nanotube (rGO/CNT) composite, which had superior electrochemical performance, was synthesized via a facile, handy and cheap method. Electrochemical tests showed that rGO/CNT composite that the weight ratio of graphene oxide (GO) to CNTs is 7.5 to 1 exhibited the specific capacitance was 346.84 F/g at the current density of 2 A/g in 1 M H₂SO₄. The good performance of rGO/CNT composite was ascribed to huge surface area of rGO and homogeneous distribution of CNT, which prevented the aggregation of rGO sheets, increased the path of electron circulation and speeded up the electrolyte penetrating into the materials. Therefore, rGO/CNT composite had great potential on supercapacitors.

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Periodical:

Materials Science Forum (Volume 937)

Pages:

25-29

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.937.25

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Online since:

October 2018

Authors:

Yan Zhen Huang, Xiao Min Chen, Dong Xu Li*

Keywords:

Hydrothermal Method, Reduced Graphene Oxide/Carbon Nanotube, Supercapacitor

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* - Corresponding Author

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