Journal
SMALL
Volume 14, Issue 4, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201702926
Keywords
carbon nanotubes; flexible; heating fibers; stretchable; textiles
Categories
Funding
- Ministry of Science and Technology of the People's Republic of China (MOST) [2016YFA0203302]
- National Natural Science Foundation of China (NSFC) [21634003, 51573027, 51403038, 51673043, 21604012]
- Science and Technology Commission of Shanghai Municipality (STCSM) [16JC1400702, 15XD1500400, 15JC1490200, 17QA1400400]
- China Postdoctoral Science Foundation [KLH1615159]
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Inspired by the hierarchically helical structure of classical thermal insulation material-wool, a stretchable heating carbon nanotube (CNT) fiber is created with excellent mechanical and heating properties. It can be stretched by up to 150% with high stability and reversibility, and a good thermal insulation is achieved from a large amount of formed hierarchically helical voids inside. Impressively, it exhibits ultrafast thermal response over 1000 degrees C s(-1), low operation voltage of several volts, and high heating stability over 5000 cycles. These hierarchically helical CNT fibers, for the first time, are demonstrated as monofilaments to produce soft and lightweight textiles at a large scale with high heating performances.
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