Electrochemical application of shape and phase dependant copper sulphide for costeffective next generation supercapacitive energy storage: A review

Copper sulphides (Cu_2-xS) based chalcogenide materials have received voluminous consideration for supercapacitive energy storage with unique semiconducting properties, nontoxicity and extensive earth abudancy. The existence of Cu_2-xS in discrete crystal geometries and morphology liberalizes opportunities to tune them for desired performances. Consequently, the understanding of the phase and morphology dependency on performances can be pivotal in building novel designs for enhanced power and energy delivery. Herein an in-depth recent literature investigation into the synthesis of diverse phases and morphologies of Cu_2-xS nano/ microstructures and their super capacitive behaviours has been reported. Given the potent of Cu_2-xS as highly efficient supercapacitive electrode as low cost material and their extensive deployment it is imperative to profoundly highlight the recent advances in Cu_2-xS based electrode materials directed towards supercapacitive energy storage.