Overview of electrode materials progressed for application in electrochemical supercapacitors: An update

Abstract

Supercapacitors are the most maintainable energy conservation devices and have pulled in broad consideration due to long cycle life, excellent power density, stability and integrity. As of now, all researchers are concentrating on how the energy density can be improved while retaining high power density, fast charge or discharge and cycling stability. In this review, we look into the most broadly used electrode materials based on carbon nanotubes (CNTs), graphene, activated carbon, carbon quantum dots, porous carbon, metal oxides, conducting polymers, composite hybrid materials, asymmetric hybrid materials, battery type electrode materials, etc. for designing various types of supercapacitors and their characteristic performance. This review would help to understand the recent advancements progressed in electrode materials for applications in electrochemical supercapacitors.