fig2

Figure 2. Design strategies to create stretchable microbattery and microsupercapacitor cells. (A) Optical image (left) and corresponding strain distribution (right) of a rigid-island matrix of microsupercapacitors under a 40% biaxial strain. Reprinted with permission from Yun et al.^[22]. Copyright 2016 Elsevier. (B) Optical images showing stretchable microsupercapacitor in serpentine pattern design under 0% (left) and 40% (right) uniaxial strains. Reprinted with permission from Li et al.^[30]. Copyright 2017 Wiley-VCH. (C) Optical images revealing Kirigami microsupercapacitors at 0% (top) and 100% (bottom) uniaxial tensile strains. Reprinted with permission from Jiao et al.^[34]. Copyright 2019 Wiley-VCH. (D) Schematic illustration of the fabrication process for a wavy microsupercapacitor. Reprinted with permission from Qi et al.^[35]. Copyright 2015 Wiley-VCH. (E) Optical images (top) and corresponding strain distributions (bottom) of intrinsically stretchable microelectrodes to illustrate the strain redistribution strategy. Reprinted with permission from Bai et al.^[47]. Copyright 2022 American Chemical Society.