2025-10-31 スイス連邦工科大学ローザンヌ校(EPFL)
Web要約 の発言:
The FIMAP Lab’s smart knee brace. 2025 EPFL/Hugo Masson CC BY SA
<関連情報>
- https://actu.epfl.ch/news/an-electronic-fiber-for-stretchable-sensing-2/
- https://www.nature.com/articles/s41928-025-01485-0
液体金属を埋め込みエラストマーの熱延伸による電子ファイバー Electronic fibres via the thermal drawing of liquid-metal-embedded elastomers
Stella Laperrousaz,Xin Chen,Marion Cleusix,Lucas Jourdan,Laurène Tribolet & Fabien Sorin
Nature Electronics Published:28 October 2025
DOI:https://doi.org/10.1038/s41928-025-01485-0
Abstract
Soft electronic fibres are potential building blocks for a variety of emerging technologies including smart textiles and wearable health monitors. However, it remains a challenge to fabricate fibres that combine conductive and dielectric domains in complex architectures in a simple and scalable way. Here we show that a thermal drawing approach can be used to fabricate stretchable fibre-based sensors from liquid-metal-embedded elastomers. The material formulation and processing parameters can be controlled to create high aspect-ratio stretchable fibres that integrate high-conductivity (around 103 S cm−1) and high-dielectric (κ≈13.5) domains across the fibre cross-section. We illustrate the versatility of our approach by creating an all-liquid-metal-based capacitive fibre sensor, which offers a gauge factor of 0.96, stretchability of 925% and high stability to cyclic deformation. We also integrate our fibre-based sensor into textiles and demonstrate an efficient smart knee brace.


