Synthesis of integrated reduced graphene oxide-polyaniline nanocomposite for enhanced supercapacitor performance

The urgent need for sustainable energy storage solutions has spurred research on high-performance and cost-effective energy storage technologies. Supercapacitors (SCs) show great potential due to their capacity to provide significant capacitance, energy and power density. This study focused on the enhancement of electrically conductive reduced Graphene Oxide (rGO) reinforced with polyaniline (PANI) composites to fabricate the supercapacitors. Various characterization techniques, including SEM, EDAX, Raman spectroscopy, FTIR, PXRD, TGA, BET, and CV were employed for the examination of the materials. The findings demonstrate that the rGO/PANI composite displayed nanostructured layers characterized by flaky leaf-like structures, a trigonal crystal system, and a notable specific capacitance of 410 Fg-1, along with capacitance retention rate of 85 after completion of 1000 cycles. This composite showcases outstanding electrochemical performance leads to the promising material to use in SCs manufacturing.Highlights Electrode showed pseudocapacitive behavior, capacitance of 392 F/g. PXRD pattern confirmed presence of benzenoid and quinonoid groups. BET analysis showed surface area of 16.850 m2/g, porous nature indicated. Electrode displayed good reversibility, with a-b value of 0.6. Synthesis of rGO-PANI nanocomposite for improved supercapacitor performance. image