Fig. 1. SEM images (a),(b),EDS-mapping (c) and EDS (d) of 100 kGy-NiMoO₄

Fig. 2. SEM images of 20 kGy-NiMoO₄ (a),(b),EDS-mapping (c) and EDS (d); SEM images (e),(f),EDS-mapping (g) and EDS (h) of 200 kGy- NiMoO₄

Fig. 3. XRD results of x-NiMoO₄ sample

Fig. 4. XPS results of x-NiMoO₄ sample: Ni 2p (a); Mo 3d (b)

Fig. 5. CV curve (a)~(c) of x-NiMoO₄ sample at 2~100 mV/s and comparison curves of all samples at 30 mV/s(d) (color online)

Fig. 6. Dynamic Fitting Process of x-NiMoO₄ sample at different scan rate for peak (a)~(d) (color online)

Fig. 7. Pseudocapacitance ratio of 100 kGy-NiMoO₄ sample at different scan rates (a)~(e)

Fig. 8. GCD curves (a)~(c) and 3D statistical diagram (d) of x-NiMoO₄ sample at 1~15 A/g (color online)

Fig. 9. Nernst curves of x-NiMoO₄sample between 0.01 Hz~100 kHz; charge/discharge curve for 10 000 cycles of 100 kGy-NiMoO₄ at 10 A/g (b) (color online)

Fig. 10. 100 kGy-NiMoO₄//AC devices: CV curves under different voltage windows (a); CV curve (b) at different sweep speeds; nernst curve (c); GCD curve (d) under different current densities; statistical chart of specific capacitance (e); comparison of energy density and power density (f) (color online)

Fig. 11. 5 000 cycle test curve of 100 kGy-NiMoO₄/AC device at 10 A/g current density