Performance of Graphene Oxide Doped Polyaniline Composite Electrodes for Energy Storage: Effects of In-Situ Synthesis

Muazzin, Mupit and Islam, Muhammad Remanul and Mohd Asyadi, Azam and Smdani, Md Gulam and R. M., Yunus and Firouzi, Amin and Siew Kooi, Ong (2022) Performance of Graphene Oxide Doped Polyaniline Composite Electrodes for Energy Storage: Effects of In-Situ Synthesis. In: Advanced Transdisciplinary Engineering and Technology. Advanced Structured Materials (STRUCTMAT), 174 . Springer Link, Cham, NY, pp. 253-269. ISBN 978-3-031-01487-1(Printed) 978-3-031-01488-8(Online)

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Two different synthesis processes, in-situ polymerization and ex-situ polymerization process, were implied to identify the impact of these processes on the properties of the graphene oxide (GO) doped conductive polyaniline (PANi)-based electrode materials. This study focused on the improvement of various properties of PANi/GO composite materials produced through the in-situ polymerization process instead of the ex-situ polymerization process. To compare the performance of electrochemical and physical properties PANi/GO electrode materials produced via in-situ and ex-situ polymerization process, several characterization techniques were used. Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD) were performed to observe structural properties. Cyclic voltammetry and galvanostatic Charge–Discharge analysis were conducted to investigate the electrochemical properties of electrodes. Specific capacitance of PANi/GO electrodes was found 63.6% higher for in-situ polymerization compared to the electrodes prepared using ex-situ polymerization process. This high performance was governed by the proper alignment of GO into polyaniline. In the in-situ polymerization process, the interaction of polyaniline is strong with the surface functional groups of GO sheets which results in a good physical mixture between polyaniline and GO particles. In-situ polymerization technique can be effective to develop polymer-based electrode materials for high performance supercapacitors.

Item Type: Book Chapter
Uncontrolled Keywords: Polyaniline/Graphene oxide; Supercapacitors; Electrodes; In-situ polymerization
Subjects: T Technology > T Technology (General)
T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical and Process Engineering Technology
Depositing User: Miss. Ratna Wilis Haryati Mustapa
Date Deposited: 21 Feb 2023 08:24
Last Modified: 21 Feb 2023 08:24
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