Advanced materials and technologies for supercapacitors used in energy conversion and storage: a review

M. I.A. Abdel Maksoud^*, Ramy Amer Fahim, Ahmed Esmail Shalan, M. Abd Elkodous, S. O. Olojede, Ahmed I. Osman^*, Charlie Farrell, Ala’a H. Al-Muhtaseb, A. S. Awed, A. H. Ashour, David W. Rooney

^*Corresponding author for this work