fig5

Figure 5. Electrochemical properties of AC//Ni_1-xCo_xP@NC hybrid supercapacitor. (A) Schematic illustration of AC//Ni_1-xCo_xP@NC; (B) CV curves of Ni_1-xCo_xP@NC and AC electrodes in a three-electrode system; (C) CV curves of AC//Ni_1-xCo_xP@NC in different potential windows at 10 mV s^-1; (D) CV curves and (E) GCD curves; (F) Rate capability; (G) Ragone plots of AC//Ni_1-xCo_xP@NC with reported Ni-Co bimetallic phosphides-based HSC; (H) Cycle performance at 15 A g^-1 [inset (left to right): is the external dimensions of AC//Ni_1-xCo_xP@NC HSC pouch; AC//Ni_1-xCo_xP@NC HSC pouch keep stable power output under 0°-180° bending and cutting states]. AC: Active carbon; Ni_1-xCo_xP@NC: N-doped carbon (NC)-coated Ni_1-xCo_xP; CV: cyclic voltammetry; GCD: galvanostatic charge/discharge; HSC: hybrid supercapacitor.