Immaculate composite of g-C3N4/TiO2/polypyrrole as a facile super-capacitive electrode material for energy accumulation

A series of g-C3N4/TiO2/PPy (GTP) nanocomposites were prepared after in-situ chemical polymerization of pyrrole and the optimized dosage of g-C3N4 and TiO2 was intercalated with diverse polypyrrole (PPy) to get various composites. Super-capacitive functionality of the structurally and morphologically analysed fabricated electrodes was optimized for energy storage purpose. Electrochemical studies were performed in 1 M H2SO4 electrolyte. Among the different compositions of synthesized composites, GTP 1.0 exhibited good specific capacitance, 1216 F/g at 2 mV/s, accord well with that of the GCD results. Excellent cyclic stability of 93% was observed after 10,000 cycles. Power density and energy density for the GTP 1.0 composite in three electrode system were found to be 249.9 W/kg and 65.6 Wh/kg respectively at 0.5 A/g, thus providing promising results for energy storage. GTP//AC (Activated Charcoal) supercapacitor device was designed owing energy density as 15.6 Wh/kg and power density as 232.3 W/kg.

Automated summary

A series of g-C3N4/TiO2/PPy (GTP) nanocomposites were prepared with different compositions by in-situ chemical polymerization of pyrrole and intercalating optimized dosage of g-C3N4 and TiO2 with polypyrrole (PPy). Optimized electrodes with super-capacitive functionality were analyzed structurally and morphologically for energy storage. The GTP 1.0 composite exhibited good specific capacitance of 1216 F/g at 2 mV/s, in accordance with GCD results. It also showed excellent cyclic stability of 93% after 10,000 cycles. The power density and energy density of the GTP 1.0 composite in a three-electrode system were found to be 249.9 W/kg and 65.6 Wh/kg, respectively, at 0.5 A/g, promising results for energy storage. A GTP//AC (Activated Charcoal) supercapacitor device was designed with an energy density of 15.6 Wh/kg and power density of 232.3 W/kg.