fig7

Figure 7. (A) Schematic of 3D-printed MSCs fabrication process. (B) Photographs of 3D-printed microlattice and rectangular hollow prism structures. Reproduced with permission^[134]. Copyright 2019, John Wiley and Sons. (C) Schematic representation of the increase in MXene dispersion concentration due to the addition of SAP beads to absorb water. The printed MSC retains the complete pattern even after bending and twisting. Reproduced with permission^[111]. Copyright 2019, American Chemical Society (D) Rheological properties of 3D printable gel inks and the electrochemical properties of the symmetric SC device. Reproduced with permission^[106]. Copyright 2022, John Wiley and Sons. (E) The fabrication process of MSCs using 3D printing with unidirectional freezing. Reproduced with permission^[135]. Copyright 2020, John Wiley and Sons.