Abstract:
Exploring new novel and modified materials is very much crucial for promoting supercapacitor
development in present-day electronics. MXene has been very prominent among various novel
materials owing to its huge potential for energy storage applications. In this study, I have reported
a detailed procedure for the etching and delamination of MXene and procedure for the composite
formation with MWCNTs which shoes an outstanding capacitance of 1740 Fg-1 at 5 mVs-1 which
makes it a suitable for supercapacitor electrode applications. Also provided an easy and versatile
approach is adopted to prepare nickel metal ion (Ni) intercalated Mo2TiC2Tx MXene free-standing
film-based electrode for binder-free flexible supercapacitor using the electrostatic self-assembly
synthesis approach. As a result, an increase in the c-lattice parameter (c-Lp) due to intercalation is
observed. Ni-Mo2TiC2Tx expresses an outstanding electrochemical performance with the
gravimetric capacitance of 682 F g-1 at the scan rate of 5 mV s-1. Moreover, the synthesized binderfree
Ni-Mo2TiC2Tx electrode possesses an excellent energy density of 59.77 W h Kg-1 at 0.1 Ag-1.
This study provides insight into MXene structure modification for enhanced electrochemical
performance with ultra-high capacity and opens doors to new ways of material tuning for energy
storage applications.
