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Multi-Plied Supercoils Fibers for Sensors/Conductors
- Multi-Plied Supercoils Fibers for Sensors/Conductors
- Son, Wonkyeong; Lee, Jae Myeong; Choi, Changsoon
- DGIST Authors
- Choi, Changsoon
- Issue Date
- 제24회 나노튜브연구회
- Stretchable electronics that are integrated on yarn or fiber-based one-dimensional (1-D) substrate have recently attracted considerable interest due to their potential applications in areas such as textile electronics, biomedical tools, and wearable electrodes. Applications of the stretchable electronics can be simply divided into two categories based on their electrical and mechanical properties: stretchable conductor for transmitting analog voltage or current signals, and strain sensor for detecting lateral strain.
In this work, we present ultra-extendable supercoil structure (coiling of a coil) of multi-plied fibers with tunable electrical properties. Each elemental fibers were fabricated by wrapping carbon nanotube (CNT) sheath on spandex core fibers. The resulting supercoils show a highly ordered and compact structure along the fiber direction, which can sustain by stretching of 600% without significant resistance increase. Moreover, by tuning ply number of the fibers, the supercoils can also function as a superelastic strain sensor with high-stretchability (~ 1000%) and low threshold strain (~ 0.35%).
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- Division of Energy Technology2. Conference Papers
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