Microscopically Buckled and Macroscopically Coiled Fibers for Ultra-Stretchable Supercapacitors
2019-11-13 16:39:32 조회수185
Changsoon Choi, Ji Hwan Kim, Hyun Jun Sim, Jiangtao Di, Ray H. Baughman, and Seon Jeong Kim* C. Choi, J. H. Kim, H. J. Sim, Prof. S. J. Kim Center for Self-Powered Actuation Department of Biomedical Engineering Hanyang University Seoul 04763, Korea Prof. J. Di Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Suzhou, Jiangsu 215123, China Prof. R. H. Baughman The Alan G. MacDiarmid NanoTech Institute University of Texas at Dallas Richardson, TX 75083, USA 원문 링크 :


Macroscopically coiled and microscopically buckled fiber electrodes are introduced for an ultra‐stretchable supercapacitor. The pseudocapacitive MnO2‐coated, solid‐state, buckled coil supercapacitor provides superelasticity (400%–800%) and high linear, areal capacitances (4.8 mF cm−1 and 22.8 mF cm−2). Additionally, the capacitances of the supercapacitor decrease by less than 7.4% and 7% when stretched by 600% statically and dynamically, respectively.  

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