Perovskite and Polymer Composites for High-Performance Supercapacitor Electrodes: A Review

Supercapacitors, which are a prominent type of energy storage device, have attracted considerable interest because of their exceptional power density, rapid charging rate, and extended cycle life. This review explores the composition and fundamental characteristics of perovskite materials, emphasizing their distinct abilities to transport both electrons and ions. Furthermore, they demonstrate a remarkable level of compatibility with electrochemical energy storage devices. The research examining different types of perovskite electrodes, including la-perovskites, Sr-perovskites, Ce-perovskites, and other perovskite oxides, has demonstrated that when combined with conducting polymers like PANI and polyazulene, they form perovskite-polymer composite materials.Electrochemical features, including high specific capacitance, cycle capabilities, and energy and power densities, make these composites valuable. Thus, they are the most promising materials in this field. Their use in supercapacitors is interesting. This research investigates the manufacturing and evaluation of these composite materials. The benefits of approaches such as the one-pot approach and the two-stage electrodeposition process are of specific relevance. The study provides an in-depth analysis of the challenges and technological obstacles encountered in perovskite-polymer composites for supercapacitors, specifically regarding limitations in conductivity and concerns regarding stability. It also discusses the strategies being employed to address these issues. The article offers a comprehensive outlook on the subject of perovskite and polymer composite materials, which have the potential to be used in the development of high-performance supercapacitors. It highlights their capacity to revolutionize energy storage technology and contribute to the progress of effective and environmentally friendly energy solutions.