https://doi.org/10.1016/j.est.2021.103322Get rights and contentHighlights•More than 290 journal articles have been reviewed.•Recent manganese sulfide and oxide-based supercapacitor electrodes have been studied in detail.•Working principles and different major synthesis methodologies have been discussed.•Incorporating carbon, crystal, conductive polymer, metal and non-metal enhances the performance of supercapacitor electrodes.•Relative performance of different supercapacitor electrodes by specific capacitance, energy density, power…