Figure2. (A) Preparation process of CNF/PC/Mxene paper-based supercapacitor. (B) Structural diagram of CNF/PC/Mxene paper-based electrode. (C) SEM image of CNF/PC/Mxene electrode.[59] (D) TEM image of BC/AB/AC electrode. (E) Schematic diagram of electron and ion migration. (F) Comparison of electrochemical performance of BC based paper-based electrode and PVDF based binder electrode. [60]