These devices include lithium-ion batteries, supercapacitors, and flywheel energy storage systems. Each technology serves distinct applications, from electric vehicles to grid energy management. The rapid advancement in materials science is enhancing the performance and. . Energy storage technologies are fundamental to overcoming global energy challenges, particularly with the increasing demand for clean and efficient power solutions. Batteries and capacitors serve as the cornerstone of modern energy storage systems, enabling the operation of electric vehicles. . The enormous demand for energy due to rapid technological developments pushes mankind to the limits in the exploration of high-performance energy devices. Among the two major energy storage devices (capacitors and batteries), electrochemical capacitors (known as 'Supercapacitors') play a crucial. . What are the high performance energy storage devices? High-performance energy storage devices encompass various technologies that store energy efficiently for later use. Each technology serves. . Therefore, there is a surging demand for developing high-performance energy storage systems (ESSs) to effectively store the energy during the peak time and use the energy during the trough period. To this end, supercapacitors hold great promise as short-term ESSs for rapid power recovery or. .