Page 57 - Carbon Nanotube Fibres and Yarns
P. 57
Carbon nanotube fibers spun directly from furnace 49
Winding system 8) CNT-Yarn 9) Bobbin
CNT fiber Water or alcohol 7) CNT Arrays
Hollow cylindrical CNT assembly Container 6) Rotating anchor
Ceramic tube 5) Aerogel
4) CNTs Methods of producing CNT fibers from sock: (A) Direct-spinning method. (B) Bath-spinning method. (C) Rotating-anchor spinning
Furnace 3) Heat method. (Panel (A) reproduced with permission from Gspann T, Smail F, Windle A. Spinning of carbon nanotube fibres using the floating catalyst high temperature route: purity issues and the critical role of sulphur. Faraday Discuss. 173 (2014) 2–7, (B) from Wang JN, Luo XG
Reaction solution carrier gas (B) 1) Carbon Gas Carrier Gas Catalist 2) Reactor (C)
Hydrocarbon Ferrocene/He Thiophene/He Elastic CNT aerogel 2nd Rotational winder for sample collection 1st Rotational winder
H 2 for condensation
Catalyst particles Reactor temperature 1290°C On-line condensation (A) Fig. 3.9