Journal
ADVANCED MATERIALS TECHNOLOGIES
Volume 2, Issue 3, Pages -Publisher
WILEY
DOI: 10.1002/admt.201600282
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Funding
- National Natural Science Foundation of China [61625404, 51672308, 61504136]
- Beijing Natural Science Foundation [4162062]
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Stretchable energy storage devices are required to fit for stretchable electronic devices, forming a fully stretchable system for comfortable and body-attachable electronic devices. Herein, highly stretchable micro-supercapacitors are fabricated by designing wave-shaped hybrid multiwalled carbon nanotubes/polyaniline electrodes. As-fabricated stretchable devices exhibit a large areal capacitance of 44.13 mF cm(-2) and offer a power density of 0.07 mW cm(-2) at an area energy density of 0.004 mW h cm(-2). Owing to the designed wavy electrode structure, the electrochemical performances of the stretchable micro-supercapacitors are almost invariably under different stretching stations ranging from 5% to 40%. By fabricating stretchable micro-supercapacitors arrays, a red light-emitting diode can be easily lighted under different conditions including stretching, twisting, crimping, and winding. All these results confirm the outstanding stability and mechanical strength of stretchable micro-supercapacitors, demonstrating its potential application in skin-patchable electronics or portable/wearable devices.
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