Recent Advances in Nickel and Cobalt-Based Metal-Organic Frameworks for High-Performance Supercapacitor Electrodes

Energy sustainability has become a pressing concern in material science due to the growing demand for scalable, efficient, and eco-friendly energy storage solutions. In recent times, supercapacitors have become a central focus in the field of advanced electrochemical energy storage system. For supercapacitor electrodes, metal-organic frameworks (MOFs) are one of the most talked materials due to their multiple structures, suitable functionalities, and similar metal centers resulting in broad applications. This review provides a comprehensive overview of the recent advancements in the fabrication of Nickel-based MOFs (Ni-MOFs) and Cobalt-based MOFs (Co-MOFs) and their applications as electrode materials in high energy supercapacitors. Ni-MOFs and Co-MOFs have garnered significant attention in energy storage systems due to their exceptional properties including remarkable durability, highly porous nature, high specific capacitance, rich active sites, robust redox activity, excellent performance, and eco-friendliness, making them ideal for advancing supercapacitors to meet the increasing demand for efficient electrochemical energy storage devices.