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- Title
Highly stretchable pseudocapacitors based on buckled reticulate hybrid electrodes.
- Authors
Zhang, Nan; Luan, Pingshan; Zhou, Weiya; Zhang, Qiang; Cai, Le; Zhang, Xiao; Zhou, Wenbin; Fan, Qingxia; Yang, Feng; Zhao, Duan; Wang, Yanchun; Xie, Sishen
- Abstract
In order to develop an excellent pseudocapacitor with both high specific capacitance and outstanding stretchability to match with other devices applicable in future wearable and bio-implantable systems, we focus our studies on three vital aspects: Stretchability of hybrid film electrodes, the interface between different components, and the integrated performance in stretchability and electrochemistry of supercapacitors based on single-walled carbon nanotube/polyaniline (SWCNT/PANI) composite films on pre-elongated elastomers. Owing to the moderate porosity, the buckled hybrid film avoids the cracking which occurs in conventional stretchable hybrid electrodes, and both a high specific capacitance of 435 F·g and a high strain tolerance of 140% have been achieved. The good SWCNT/PANI interfacial coupling and the reinforced solid electrolyte penetration structure enable the integrated pseudocapacitors to have stretch-resistant interfaces between different units and maintain a high performance under a stretching of 120% elongation, even after 1,000 cyclic elongations. [Figure not available: see fulltext.]
- Publication
Nano Research, 2014, Vol 7, Issue 11, p1680
- ISSN
1998-0124
- Publication type
Article
- DOI
10.1007/s12274-014-0528-6