fig4

Figure 4. Wearable electronic systems powered by stretchable miniaturized energy-storage devices. (A) Soft LED array powered by a pack of intrinsically stretchable microbattery cells. Reprinted with permission from Bai et al.^[47]. Copyright 2022 American Chemical Society. (B) Multi-functional wearable system for on-skin applications comprising an RF power receiver, a rigid-island matrix of microsupercapacitors, a strain sensor, and a gas sensor. Reprinted with permission from Kim et al.^[19]. Copyright 2016 Wiley-VCH. (C) A stretchable self-charging electronic system constructed on soft textiles by integrating microsupercapacitor cells, triboelectric nanogenerator units, and LED array. Reprinted with permission from Cong et al.^[60]. Copyright 2020 American Chemical Society.