Facile fabrication of NiCo2O4/PANI nanocomposite for supercapacitors

Abstract

The need for energy has increased globally as a result of recent industrial expansion. Supercapacitors are becoming more and more popular due to their exceptional qualities that can be used to meet energy demands. PANI/NiCo₂O₄ that has been hydrothermally produced is ideal for use as an electrode material. Several methods, like as charge-discharge along with electrochemical impedance spectroscopy, were applied to confirm its electrochemical parameters. The material PANI/NiCo₂O₄ nanocomposite showed better results compare to the NiCo₂O₄. According to the GCD results, the PANI/NiCo₂O₄ and NiCo₂O₄ demonstrated a specific capacitance of 1185.2 F/g and 577.7 F/g respectively. The resulting PANI/NiCo₂O₄ electrode material has 307 W/kg power density along with 62.1 Wh/kg energy density. The synthesized NiCo₂O₄/PANI exhibited exceptional retention following the 5000^th cycle. According to the results, the composite material's electrochemical calculation was much better than that of the pure material, enabling more effective charge storage. The outstanding performance of PANI/NiCo₂O₄ nanomaterial indicates its considerable potential for upcoming technology for energy storage.