New-Generation Advanced Materials for Next-Generation Supercapacitors

Dear Colleagues,

Energy plays a significant role in human development. Energy demand consumption is increasing exponentially daily; hence, environmentally friendly and efficient energy storage devices are needed. In this regard, electrochemical energy storage systems such as the battery, supercapacitors, etc., have gained much attention because of their environmentally friendly nature. The supercapacitor is one of the most helpful technologies due to its extraordinary features, high power, long cycle life, low maintenance, and simple geometry. A supercapacitor's device performance and durability are governed by the selected electrodes' physical, chemical, and electrical properties. In this perspective, many materials such as carbon, metal oxides, and polymers and their combination have been utilized as electrodes in supercapacitors. Remarkably, the clubbing of some of the latest advanced nanomaterials, e.g., MXene, LDH/MOF/COF, novel carbon nanostructures, carbon nano-onions (CNO), and graphene nanoplatelets (GNP), could be the game changer for the advanced supercapacitor applications. Activated carbon (AC), with a high surface area and moderate electrical conductivity, is the electrode material primarily used for commercial supercapacitors. Despite the high surface area, AC carbon cannot store the required amount of charge. It is desirable to combine AC with advanced layered materials such as LDH, MXenes, MOF/COF, or GNPs to achieve a balance in energy and power density.

This Materials MDPI Special Issue provides an excellent opportunity to explore the unexplored advanced functional nanomaterials' properties/applications for advanced next-generation supercapacitors. We, as the Editors, are inviting materials scientists, physicists, chemists, chemical engineers, and electrochemists to come forward and contribute to the challenges and undiscovered potentiality of all the above-discussed 2D nanomaterials, oxides/sulfide/phosphides, MOF/COF, LDH, MXene, CNO, GNP, and all other carbon nanostructures for next-generation supercapacitor investigations. You are welcome to submit your original research or review articles on topics including, but not limited to, the ones below, as long as they regard novel materials and applications.

Dr. Debananda Mohapatra
Dr. Ankur Soam
Guest Editors

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