1. All-Transparent Stretchable Electrochromic Supercapacitor Wearable Patch Device
- Author
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Donghyuk Kim, Tae Gwang Yun, Dong Ha Kim, Seung Min Han, Jun Young Cheong, Il-Doo Kim, Bae Jin Gook, and Minkyu Park
- Subjects
Supercapacitor ,Nanotube ,Materials science ,Fabrication ,Polydimethylsiloxane ,General Engineering ,General Physics and Astronomy ,Nanotechnology ,02 engineering and technology ,Electrolyte ,010402 general chemistry ,021001 nanoscience & nanotechnology ,01 natural sciences ,0104 chemical sciences ,chemistry.chemical_compound ,chemistry ,PEDOT:PSS ,Electrochromism ,Electrode ,General Materials Science ,0210 nano-technology - Abstract
Flexible and stretchable electrochromic supercapacitor systems are widely considered as promising multifunctional energy storage devices that eliminate the need for an external power source. Nevertheless, the performance of conventional designs deteriorates significantly as a result of electrode/electrolyte exposure to atmosphere as well as mechanical deformations for the case of flexible systems. In this study, we suggest an all-transparent stretchable electrochromic supercapacitor device with ultrastable performance, which consists of Au/Ag core–shell nanowire-embedded polydimethylsiloxane (PDMS), bistacked WO3 nanotube/PEDOT:PSS, and polyacrylamide (PAAm)-based hydrogel electrolyte. Au/Ag core–shell nanowire-embedded PDMS integrated with PAAm-based hydrogel electrolyte prevents Ag oxidation and dehydration while maintaining ionic and electrical conductivity at high voltage even after 16 days of exposure to ambient conditions and under application of mechanical strains in both tensile and bending condit...
- Published
- 2019