fig7
![Two-dimensional (2D) materials for 3D printed micro-supercapacitors and micro-batteries](https://image.oaes.cc/a48a7473-ffb1-459a-bb46-8859fb8dff51/em4081.fig.7.jpg)
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.