Recent development in the materials and miniaturization of supercapacitors

High‐performing energy storage systems are becoming more and more necessary due to the rapid growth of renewable energy harvesting technology. To keep pace with it, supercapacitors have emerged a promising energy storage technology providing high power density and long cycle life. In an urge to enhance the energy density without sacrificing the power density, enormous research is going on the exploration of high‐performance electrode material. Huge modifications in the present synthesis routes and innovations in the new techniques may attribute to the large‐scale production of potential electrode materials for supercapacitors. This review focuses on the recent advancement carried out for several potential electrode materials for supercapacitors and device miniaturization.