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High-strength carbon nanotube fibre-like ribbon with high ductility and high electrical conductivity

Author

Listed:
  • J. N. Wang

    (Nano-X Research Center, Key Laboratory of Pressure Systems and Safety (MOE), School of Mechanical and Power Engineering, East China University of Science and Technology, P. O. Box 520, 130 Meilong Road)

  • X. G. Luo

    (School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dong Chuan Road)

  • T. Wu

    (School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dong Chuan Road)

  • Y. Chen

    (School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dong Chuan Road)

Abstract

Macroscopic fibres made up of carbon nanotubes exhibit properties far below theoretical predictions and even much lower than those for conventional carbon fibres. Here we report improvements of mechanical and electrical properties by more than one order of magnitude by pressurized rolling. Our carbon nanotubes self-assemble to a hollow macroscopic cylinder in a tube reactor operated at high temperature and then condense in water or ethanol to form a fibre, which is continually spooled in an open-air environment. This initial fibre is densified by rolling under pressure, leading to a combination of high tensile strength (3.76–5.53 GPa), high tensile ductility (8–13%) and high electrical conductivity ((1.82–2.24) × 104 S cm−1). Our study therefore demonstrates strategies for future performance maximization and the very considerable potential of carbon nanotube assemblies for high-end uses.

Suggested Citation

  • J. N. Wang & X. G. Luo & T. Wu & Y. Chen, 2014. "High-strength carbon nanotube fibre-like ribbon with high ductility and high electrical conductivity," Nature Communications, Nature, vol. 5(1), pages 1-8, September.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4848
    DOI: 10.1038/ncomms4848
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    Cited by:

    1. Monika Rdest & Dawid Janas, 2021. "Carbon Nanotube Films for Energy Applications," Energies, MDPI, vol. 14(7), pages 1-27, March.

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