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Polyaniline–Graphene Oxide based ordered nanocomposite electrodes for high-performance supercapacitor applications

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The present work is an attempt to assess the suitability of Polyaniline (PANI)–Graphene Oxide (GO) composite material, obtained using the simple in-situ oxidative polymerization technique, for developing supercapacitors with good… Click to show full abstract

The present work is an attempt to assess the suitability of Polyaniline (PANI)–Graphene Oxide (GO) composite material, obtained using the simple in-situ oxidative polymerization technique, for developing supercapacitors with good performance characteristics. The structurally ordered PANI–GO nanocomposite has been tested as a supercapacitor electrode by employing three-electrode configuration and also in the two electrode configuration by assembling supercapacitor test cells. The composite electrode material in three electrode configuration is found to show specific capacitance of 810 F/g, which is the highest value being reported, compared to the already available previous reports. The assembled supercapacitor test cells show high specific capacitance of 132 F/g at a high current density of 5 A/g with good capacity retention over 1000 cycles. These results highlight the significance of PANI–GO composite, grown through the simple polymerization technique employed in the present work, as a favorable electrode material in the development of high power supercapacitors.

Keywords: graphene oxide; electrode configuration; graphene; polyaniline graphene; performance; supercapacitor

Journal Title: Journal of Materials Science: Materials in Electronics
Year Published: 2017

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