Highly stable PZT supercapacitor for energy storage devices

The perovskite-type material PbZr0.53Ti0.47O3 (PZT) was synthesized using a scalable solid-state reaction method for the application of electrode material as a supercapacitor. The XRD data showed a perovskite structure with a dominant tetragonal phase of space group P4mm. In a three-electrode system with 1 M H2SO4 as the electrolyte, PZT demonstrates a substantial specific capacitance (Cs) and stable electrochemical performance. The PZT asymmetric supercapacitor operates at a working voltage of 0-1 V, delivering a notable specific energy density and excellent cycling stability, retaining over 92.4% of its capacity after 10,000 cycles at a scan rate of 200 mV s−1