fig7

Figure 7. (A) Schematic illustration of making the 3D structure microlattices and hybrid capacitors; (B) SEM image of 3D structure electrode and SEM-EDX; (C) typical charging/discharging graphs of printed microlattices with various printed layers^[110]; (D) capacitance plots with different mass loadings^[111]; (D-i-D-iii) microstructural analyses with the increase of NiCo₂O₄ content; (E) CV curve of hybrid-capacitor electrode material; and (F) corresponding areal and volumetric capacitances at different current densities.