Exceptional electrochemical characteristics of the CoSe2/NC electrode are studied by Chenxu Miao et al. After 10,000 cycles, they reported a great cyclic ability of 92% and a high capacity of 120.2 mA h g 1 . Shasha et al. developed and tested Nano cubes (Co3O4@Co-MOF) in an alkaline solution hydrothermal process. For 15 days, the as-prepared sample exhibited outstanding stability in an alkaline solution. The composite material, as manufactured, demonstrated a high specific capacitance of 1020 F g -1 at 0.5 A g -1 , extremely stable cycling (97%) energy density of 21.6 mW h cm -3 and up to 5000 cycles at 5 A g -1 . commercial-scale manufacturing is extremely encouraging. The power density of this material is the highest ever recorded (8000 W kg 1 ), and its 79% efficiency lasts for 5000 charging and discharging cycles . For the first time, manufacturing porous Ni-Co nanotubes with a second layer of hydroxide for metal-organic frameworks has just been described. This particular structure has exceptional electrochemical potential since it has a specific capacitance of 94.3 Fg -1 at 0.5 A g -1 , an energy density of 118 W h kg -1 at a power density of 108 W kg -1 , and outstanding stability with no capacitance loss even after 10,000 charge-discharge cycles . A brand-new, promising material for SCs was produced in 2019 by Yuxue Zhong. The hydrothermal technique was used to develop the composite Ni-MOF/rGO, which was then tested as an electrode for SCs.