CeO2/PANI/MoS2 composite electrode for symmetric supercapacitor application

This work presents, the synthesized CeO2/PANI/MoS2 tri-composite performance as a symmetric electrode material for supercapacitor application. Analysis of XRD and FTIR was performed on the synthesized materials to investigate their crystalline structure and functional groups. The tri-composite SEM morphology shows a sheet -like structure covered with aggregated cerium and polyaniline nanoparticles. The electrochemical performances of the composite were done using the two-electrode symmetric system in 0.5 M of H2SO4. The resultant specific capacitance from the cyclic voltammetry was 177 F/g at 5 mV/s and from galvanostatic charge-discharge was 62 F/g at 0.5 current density. At 5 A/g, the composite demonstrated 98% capacitance retention after 2000 cycles. The impedance of the electrode materials was studied using electrochemical impedance spectroscopy. The tri-composite's solution resistance and transfer resistance values were 3.09 omega and 0.51 omega respectively.

Automated summary

This work presents the synthesized CeO2/PANI/MoS2 tri-composite as a symmetric electrode material for supercapacitor application. The analysis of XRD and FTIR reveals the crystalline structure and functional groups of the synthesized materials. The composite exhibits high specific capacitance, good cyclic stability, and low impedance, indicating its potential for supercapacitor applications.