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题名: Twistable and Stretchable Sandwich Structured Fiber for Wearable Sensors and Supercapacitors
作者: Choi, Changsoon; Lee, Jae Myeong; Kim, Shi Hyeong; Kim, Seon Jeong; Di, Jiangtao(邸江涛); Baughman, Ray H.
通讯作者: Kim, SJ ; Baughman, RH
刊名: NANO LETTERS
发表日期: 2016
DOI: 10.1021/acs.nanolett.6b03739
卷: 16, 期:12
收录类别: SCI
文章类型: 期刊论文
部门归属: 先进材料研究部
英文摘要: Twistable and stretchable fiber-based electrochemical devices having high performance are needed for future applications, including emerging wearable electronics. Weavable fiber redox supercapacitors and strain sensors are here introduced, which comprise a dielectric layer sandwiched between functionalized buckled carbon nanotube electrodes. On the macroscopic scale, the sandwiched core rubber of the fiber acts as a dielectric layer for capacitive strain sensing and as an elastomeric substrate that prevents electrical shorting and irreversible structural changes during severe mechanical deformations. On the microscopic scale, the buckled CNT electrodes effectively absorb tensile or shear stresses, providing an essentially constant electrical conductance. Consequently, the sandwich fibers provide the dual functions of (1) strain sensing, by generating approximately 115.7% and 26% capacitance changes during stretching (200%) and giant twist (1700 rad.m(-1) or 270 turns.m(-1)), respectively, and (2) electrochemical energy storage, providing high linear and areal capacitances (2.38 mF.cm(-1) and 11.88 mF.cm(-2)) and retention of more than 95% of initial energy storage capability under large mechanical deformations.
关键词[WOS]: CARBON NANOTUBE FIBERS ; WIDE DYNAMIC-RANGE ; SOLID-STATE ; ARTIFICIAL MUSCLES ; HIGH PERFORMANCES ; TORSION SENSOR ; ELECTRONICS ; TEXTILES ; BATTERIES ; STRAIN
语种: 英语
JCR小类分区: 一区
WOS记录号: WOS:000389963200054
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4901
Appears in Collections:先进材料研究部_李清文团队_期刊论文

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Recommended Citation:
Choi, Changsoon,Lee, Jae Myeong,Kim, Shi Hyeong,et al. Twistable and Stretchable Sandwich Structured Fiber for Wearable Sensors and Supercapacitors[J]. NANO LETTERS,2016,16(12).
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