fig5

Figure 5. Ordinary implantable micro-supercapacitors. (A) Schematic diagram of the fiber-type biocompatible micro-supercapacitor^[6]; (B) Structure and application diagram of the biocompatible micro-supercapacitor using body fluid as electrolyte^[101]; (C) Schematic diagram of the flexible biocompatible micro-supercapacitor using body fluid as electrolyte^[72]; (D) Fabrication scheme of anti-biofouling PDA/CNT supercapacitor and fabricating agarose-coated circular knit structure with PDA/CNT electrode^[149]. Reproduced from Ref.^[6].,Ref.^[101], Ref.^[72], and Ref.^[149] with permission from Nano Energy, Nano Energy, Small, Biosensors and Bioelectronics, respectively. PDA: Polydopamine; CNT: carbon nanotube.