Modeling the dynamic behavior of supercapacitors using impedance spectroscopy

Key Points

• The research aims to develop an advanced model to simulate the dynamic behavior of supercapacitors using impedance spectroscopy.
• Developed a Matlab/Simulink model for supercapacitor voltage response simulation.
• Discussed parameter calculations in the frequency domain and inverse transformation to the time domain.
• Compared simulation results with experimental data for validation.
• The new model effectively predicts voltage response and energy efficiency of supercapacitors.
• Simulation results align closely with experimental data, confirming the model's accuracy.
• Analyzed energy dissipation of a supercapacitor module in a 42-V mild-hybrid vehicle.

Abstract