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Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Electrochemical Synthesis of Functionalized Graphene/Polyaniline Composite Using Two Electrode Configuration for Supercapacitors

Version 1 : Received: 8 November 2023 / Approved: 9 November 2023 / Online: 9 November 2023 (07:52:58 CET)

A peer-reviewed article of this Preprint also exists.

Yu, D.; Li, J.; Jia, T.; Dong, B.; Han, Z.; Tian, W.; Jiang, R.; Lu, X.; Li, L. Electrochemical Synthesis of Functionalized Graphene/Polyaniline Composite Using Two Electrode Configuration for Supercapacitors. Nanomaterials 2023, 13, 3140. Yu, D.; Li, J.; Jia, T.; Dong, B.; Han, Z.; Tian, W.; Jiang, R.; Lu, X.; Li, L. Electrochemical Synthesis of Functionalized Graphene/Polyaniline Composite Using Two Electrode Configuration for Supercapacitors. Nanomaterials 2023, 13, 3140.

Abstract

An effective approach to fabricate large-scale of conducting polyaniline (PANI) by an in situ anodic electrochemical polymerization on the nickel foam, which coated by a novel aryl diazonium salt (ADS)-functionalized graphene (ADS-G). In present work, ADS-G was used as a high surface area support material for electrochemical polymerization of PANI. Electrochemical performances of the ADS-G/PANI composites exhibited better suitability as supercapacitor electrode materials than that of the PANI. The ADS-G/PANI composites achieved the specific capacitance of 528 F g-1, which was higher than that of PANI (266 F g-1) due to the excellent electrode-electrolyte interaction and synergistic effect of electrical conductivity between ADS-G and PANI in the composites. These findings suggested that the ADS-G/PANI composites were a suitable composite for the potential supercapacitor applications.

Keywords

aryl diazonium salt-functionalized graphene (ADS-G); ADS-G/PANI composites; electrochemical polymerization; supercapacitor

Subject

Chemistry and Materials Science, Electrochemistry

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