Transition Metal Dichalcogenides, Conducting Polymers, and Their Nanocomposites as Supercapacitor Electrode Materials

Different materials are being tested to get high energy and power density to develop highly efficient energy storage devices to bridge the gap between the battery and capacitor. In this regard, supercapacitors have become a potential solution due to their remarkable electrochemical capabilities, wide working-temperature range, cost-effectiveness, safety, and better cyclic stability. This review provides a concise overview of the structural characteristics, surface chemistry, synthesis methods, and potential applications in energy storage of conducting polymers (CPs) and transition metal dichalcogenides (TMDs) in the context of supercapacitors. Additionally, this paper provides a detailed discussion of various synthesis methodologies that are suitable for the design of composite-based energy storage devices using CPs/TMDs. Moreover, the primary focus of this review elucidated the utilization of CPs/TMDs composite as an electrode in devices, providing a comprehensive understanding of the charge storage mechanisms, stability, and compatibility with electrolyte solutions. In conclusion, it is of utmost significance to note that the future outlook presents a comprehensive perspective and novel pathway for future research endeavors aimed at utilizing this group of materials in the field of energy storage applications. The composite of conducting polymers (CPs) and transition metal dichalcogenides (TMDs) is highly advantageous for energy applications due to its exceptional characteristics, including fast charge and discharge rates, high power density, and extended lifespan.