fig12

Figure 12. Design of LIG-based nanogenerator. (A) Working mechanism of triboelectric nanogenerator^[163]. Copyright 2019, American Chemical Society. (B) Current generated by drops of water falling at different heights^[165]. Copyright 2022, Elsevier. (C) Working mechanism of hydroelectric nanogenerator. (D) Voltage variations caused by inhalation and exhalation. Reproduced with permission^[166]. Copyright 2020, American Chemical Society. (E) Schematic diagram of LIG-based integrated devices. (F) Blood oxygen detection via self-powered, integrated LIG-based devices. (G) ECG signal detection via self-powered, integrated LIG-based devices. Reproduced with permission^[167]. Copyright 2022, Author(s), published by Applied Physics Reviews.