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Issue 14, 2018
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Thermally reduced graphene oxide/polymelamine formaldehyde nanocomposite as a high specific capacitance electrochemical supercapacitor electrode

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Abstract

Supercapacitors are one of the most important methods of energy storage due to features such as high power density, fast charge–discharge rate and long cycle lifetime. In this research, a thermally reduced graphene oxide/polymelamine formaldehyde nanocomposite (TRGO/PMF) was synthesized through a polymerization method. Then, scanning electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction and infrared spectroscopy were used to characterize the TRGO/PMF nanocomposite. Finally, the supercapacitor behavior of the synthesized TRGO/PMF nanocomposite was investigated using cyclic voltammetry, galvanostatic charge–discharge, and electrochemical impedance spectroscopy. The TRGO/PMF nanocomposite shows a 2271 F g−1 specific capacitance at a current density of 1.0 A g−1. Moreover, the stability of the electrode was studied after 5000 cycles, which revealed 91% of the initial capacitance.

Graphical abstract: Thermally reduced graphene oxide/polymelamine formaldehyde nanocomposite as a high specific capacitance electrochemical supercapacitor electrode

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Publication details

The article was received on 10 Dec 2017, accepted on 08 Mar 2018 and first published on 10 Mar 2018


Article type: Paper
DOI: 10.1039/C7TA10825G
Citation: J. Mater. Chem. A, 2018,6, 6045-6053
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    Thermally reduced graphene oxide/polymelamine formaldehyde nanocomposite as a high specific capacitance electrochemical supercapacitor electrode

    A. A. Ensafi, H. A. Alinajafi and B. Rezaei, J. Mater. Chem. A, 2018, 6, 6045
    DOI: 10.1039/C7TA10825G

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