Ternary vesicular MoO 3 /PANI-MWCNT-PVC nanocomposite film with high surface area for high-performance flexible supercapacitor

A ternary flexible vesicular MoO ₃ /PANI-MWCNT-PVC nanocomposite cauliflower-like electrode was simply fabricated via sonochemical dispersing of PANI, MWCNT, PVC, and aluminum micropowder in NMP solvent, drying to obtain flexible electrode, selective dissolving of aluminum and finally electrodeposition of MoO ₃ on the surface of the flexible electrode. SEM and BET studies confirmed the creation of a vesicular morphology with nanoparticles in dimensions of 40–70 nm and nmnumerous surface area. The supercapacitive efficiency of the flexible electrode was carefully evaluated with the galvanostatic charge/discharge (GCD), cyclic voltammetry (CV), and electrochemical impedance spectroscopy (EIS) techniques. The electrochemical measurement results of vesicular MoO ₃ /PANI-MWCNT-PVC nanocomposite electrode showed remarkable specific capacitance of 143.7 Fg ^− 1 (932.6 mFcm ^− 2 ) at current density of 0.6 mAg ^− 1 in 1.0 M sulfuric acid aqueous electrolyte. A hybrid supercapacitor device based on the vesicular MoO ₃ /PANI-MWCNT-PVC nanocomposite electrode as well as PVA/H ₂ SO ₄ gel electrolyte represents 93% specific capacitance stability at 5000 uninterrupted charge-discharge cycles. These results show economic potential of MoO ₃ /PANI-MWCNT-PVC electrodes for next-generation wearable energy storage devices.