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Continuously processing waste lignin into high-value carbon nanotube fibers

Author

Listed:
  • Fuyao Liu

    (Donghua University)

  • Qianqian Wang

    (Donghua University)

  • Gongxun Zhai

    (Donghua University)

  • Hengxue Xiang

    (Donghua University)

  • Jialiang Zhou

    (Donghua University)

  • Chao Jia

    (Donghua University)

  • Liping Zhu

    (Donghua University)

  • Qilin Wu

    (Donghua University)

  • Meifang Zhu

    (Donghua University)

Abstract

High value utilization of renewable biomass materials is of great significance to the sustainable development of human beings. For example, because biomass contains large amounts of carbon, they are ideal candidates for the preparation of carbon nanotube fibers. However, continuous preparation of such fibers using biomass as carbon source remains a huge challenge due to the complex chemical structure of the precursors. Here, we realize continuous preparation of high-performance carbon nanotube fibers from lignin by solvent dispersion, high-temperature pyrolysis, catalytic synthesis, and assembly. The fibers exhibit a tensile strength of 1.33 GPa and an electrical conductivity of 1.19 × 105 S m−1, superior to that of most biomass-derived carbon materials to date. More importantly, we achieve continuous production rate of 120 m h−1. Our preparation method is extendable to other biomass materials and will greatly promote the high value application of biomass in a wide range of fields.

Suggested Citation

  • Fuyao Liu & Qianqian Wang & Gongxun Zhai & Hengxue Xiang & Jialiang Zhou & Chao Jia & Liping Zhu & Qilin Wu & Meifang Zhu, 2022. "Continuously processing waste lignin into high-value carbon nanotube fibers," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-33496-2
    DOI: 10.1038/s41467-022-33496-2
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    References listed on IDEAS

    as
    1. Menisha S. Karunarathna & Rhett C. Smith, 2020. "Valorization of Lignin as a Sustainable Component of Structural Materials and Composites: Advances from 2011 to 2019," Sustainability, MDPI, vol. 12(2), pages 1-15, January.
    2. Zhenxing Zhu & Nan Wei & Weijun Cheng & Boyuan Shen & Silei Sun & Jun Gao & Qian Wen & Rufan Zhang & Jun Xu & Yao Wang & Fei Wei, 2019. "Rate-selected growth of ultrapure semiconducting carbon nanotube arrays," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
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