fig6

Figure 6. (A) SEM image of printed 3D interdigitated electrodes. (B) Voltage as a function of areal capacity for 3D interdigitated MB. (C) Areal capacity of interdigitated MB within 30 cycles (reproduced with permission^[61]. Copyright 2013, Wiley-VCH). (D) SEM image of full 3D interdigitated MB. (E) Cyclic performance of a powerful 3D interdigitated MB. (F) Coulombic efficiency for powerful 3D interdigitated MB over 100 cycles (reproduced with permission^[26]. Copyright 2018, Elsevier). (G) Cross-section SEM image of interdigitated MB. (H) Cycling performance of GPE-based 3D interdigitated MB. (I) Ragone plot showing the performance comparison between the GPE-based 3D interdigitated MB and other reported MBs (reproduced with permission^[70]. Copyright 2021,Wiley-VCH). SEM: Scanning electron microscopy; MB: microbattery.