A temperature-adaptive component-dynamic-coordinated strategy for high-performance elastic conductive fibers

Yue Zhang, Zechang Ming, Zijie Zhou, Xiaojie Wei, Jingjing Huang, Yufan Zhang, Weikang Li, Liming Zhu, Shuang Wang, Mengjie Wu, Zeren Lu, Xinran Zhou and Jiaqing Xiong ()
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Yue Zhang: Donghua University
Zechang Ming: Donghua University
Zijie Zhou: Donghua University
Xiaojie Wei: Donghua University
Jingjing Huang: Donghua University
Yufan Zhang: Donghua University
Weikang Li: Donghua University
Liming Zhu: Donghua University
Shuang Wang: Donghua University
Mengjie Wu: Donghua University
Zeren Lu: Donghua University
Xinran Zhou: Donghua University
Jiaqing Xiong: Donghua University

Nature Communications, 2025, vol. 16, issue 1, 1-11

Abstract: Abstract Temperature-adaptive elastic conductive fibers (ECFs) are crucial for seamlessly integrating electronic textiles, promoting the development of wearables, soft robotics, and high/low-temperature electronics. Realizing ECFs with balanced elasticity, conductivity, and temperature adaptivity remains challenging due to the difficulty of coupling the mechano-electrical-thermal properties at a microscale fiber. We design a wet-spun ECF consisting of thermoplastic polyurethane (TPU), silver flakes (AgFKs) and liquid metal microspheres (LMMSs) with regularly arranged filler architecture, revealing a cold/thermal stretching activated tricomponent-dynamic-coordination mechanism for autonomously-enhanced electrical conductivity (from ~1070 S cm−1 at 25 °C to 1160 S cm−1 at −30 °C and 3020 S cm−1 at 180 °C) and improved electrical stability to sustain 1000 stretching cycles (60% strain at 80 °C). The fiber exhibits scalability and favorable knittability, demonstrating e-textiles such as biomedical electrodes, high/low-temperature near-field communication gloves, and intelligent firefighting suits. The autonomous mechano-thermo-electrical coupling strategy can inspire high-performance and environment-adaptive ECFs for extreme applications.

Date: 2025
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DOI: 10.1038/s41467-025-62140-y

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