Innovations in metal telluride composite materials towards enhancing supercapacitor energy storage

The growing demand for efficient and sustainable high-energy storage solutions has propelled extensive research into advanced materials. Supercapacitors have emerged as promising candidates due to their exceptional power density, rapid charge-discharge rates, and long cycling lifespans. Among innovative energy storage technologies, transition metal dichalcogenides (TMDCs) have received significant attention, with metal tellurides standing out as superior choices for supercapacitor applications. Their unique electronic and structural characteristics make them highly desirable as supercapacitor electrodes, setting them apart from other TMDCs like metal sulfides or selenides. This comprehensive review aims to provide a thorough understanding of the significance of metal tellurides in supercapacitor applications. It delves into their distinct properties, advantages over other TMDCs, and strategies employed to optimize their performance. By doing so, the review highlights their immense potential to revolutionize energy storage technologies. Various studies on metal telluride-based supercapacitors are scrutinized, emphasizing their electrochemical performance improvements and enhanced energy storage capacities. Furthermore, the review explores the classification and structural chemistry of different metal tellurides, shedding light on how their unique compositions influence their behavior in supercapacitors. It also addresses the challenges and opportunities posed by metal telluride supercapacitors, paving the way for further innovations in the field. This review offers valuable insights into the role of metal tellurides in contemporary energy storage systems, contributing to ongoing advancements in sustainable and efficient energy storage technologies. Electrode materials with high energy storage capacity are crucial for supercapacitor applications. Recently, metal tellurides and telluride-based composite materials have garnered attention due to their high conductivity and efficient surface redox processes. This review highlights the properties, charge storage mechanisms, and synthesis strategies of these materials, along with their applications in energy storage. Additionally, the prospects and challenges for enhancing the electrochemical energy storage performance of telluride-based composite materials are discussed.