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Ultrastrong MXene composite fibers through static-dynamic densification for wireless electronic textiles

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  • Tianzhu Zhou

    (Nanyang Technological University, School of Electrical and Electronic Engineering
    University of Science and Technology of China, State Key Laboratory of Bioinspired Interfacial Materials Science, School of Nano Science and Technology, Suzhou Institute for Advanced Research
    University of Science and Technology of China, School of Chemistry and Materials Science)

  • Jia Yan

    (Beihang University, School of Chemistry, Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of the Ministry of Education)

  • Can Cao

    (Nanyang Technological University, School of Materials Science and Engineering)

  • Qiang He

    (Nanyang Technological University, School of Electrical and Electronic Engineering)

  • Wulong Li

    (Nanyang Technological University, School of Electrical and Electronic Engineering)

  • Long Chen

    (Nanyang Technological University, School of Electrical and Electronic Engineering)

  • Chao Wu

    (Imperial College London, UKCRIC Advanced Infrastructure Materials Laboratory, Department of Civil and Environmental Engineering)

  • Yuqi Feng

    (City University of Hong Kong, Department of Architecture and Civil Engineering)

  • Denvid Lau

    (City University of Hong Kong, Department of Architecture and Civil Engineering)

  • Qunfeng Cheng

    (University of Science and Technology of China, State Key Laboratory of Bioinspired Interfacial Materials Science, School of Nano Science and Technology, Suzhou Institute for Advanced Research
    University of Science and Technology of China, School of Chemistry and Materials Science
    Beihang University, School of Chemistry, Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of the Ministry of Education
    University of Shanghai for Science and Technology, Institute of Energy Materials Science (IEMS))

  • Lei Wei

    (Nanyang Technological University, School of Electrical and Electronic Engineering)

Abstract

Inherent transverse wrinkles and resulting voids between MXene (Ti3C2Tx) nanosheets hinder the preservation of their intrinsic mechanical and electrical properties in macroscopic fibers. Here, we demonstrate a controllable and continuous method for kilometer-scale fabrication of ultrastrong MXene composite fibers by utilizing static filling with short carbon nanotubes combined with dynamic thermal drawing using polylactic acid to bridge MXene nanosheets through hydrogen bonds. The resulting composite fibers achieve a record tensile strength of ~941.5 MPa and an electrical conductivity of ~3899.0 S cm−1, with an even higher conductivity of ~12,836.4 S cm−1 for the inner MXene fiber. This static-dynamic densification strategy significantly reduces voids with a low porosity of ~4.2% and enhances the nanosheet orientation factor to ~0.945. The embroidered smart textiles enable long-range, battery-free wireless health monitoring, body-coupled remote drone operation, and assisted communication with sustained mechanical durability. This versatile strategy offers a general pathway to fabricate high-performance functional fibers.

Suggested Citation

  • Tianzhu Zhou & Jia Yan & Can Cao & Qiang He & Wulong Li & Long Chen & Chao Wu & Yuqi Feng & Denvid Lau & Qunfeng Cheng & Lei Wei, 2025. "Ultrastrong MXene composite fibers through static-dynamic densification for wireless electronic textiles," Nature Communications, Nature, vol. 16(1), pages 1-15, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-65931-5
    DOI: 10.1038/s41467-025-65931-5
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