Transparent and Stretchable High-Performance Supercapacitors Based on Wrinkled Graphene Electrodes
AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH MATERIALS AND MANUFACTURING DIRECTORATE
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Transparent andor stretchable energy storage devices have attracted intense attention due to their unique optical andor mechanical properties as well as their intrinsic energy storage function. However, it remains a great challenge to integrate transparent and stretchable properties into an energy storage device because the currently developed electrodes are either transparent or stretchable, but not both. Herein, we report a simple method to fabricate wrinkled graphene with high stretchability and transparency. The resultant wrinkled graphene sheets were used as both current collector and electrode materials to develop transparent and stretchable supercapacitors, which showed a high transparency 20157 at 550 nm202 and can be stretched up to 40 strain without obvious performance change over hundreds of stretching cycles.
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