Large-area, untethered, metamorphic, and omnidirectionally stretchable multiplexing self-powered triboelectric skins

Beibei Shao, Ming-Han Lu, Tai-Chen Wu, Wei-Chen Peng, Tien-Yu Ko, Yung-Chi Hsiao, Jiann-Yeu Chen, Baoquan Sun (), Ruiyuan Liu () and Ying-Chih Lai ()
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Beibei Shao: Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Institute of Functional Nano & Soft Materials (FUNSOM) and College of Energy, Soochow University
Ming-Han Lu: National Chung Hsing University
Tai-Chen Wu: National Chung Hsing University
Wei-Chen Peng: National Chung Hsing University
Tien-Yu Ko: National Chung Hsing University
Yung-Chi Hsiao: National Chung Hsing University
Jiann-Yeu Chen: i-Center for Advanced Science and Technology, National Chung Hsing University
Baoquan Sun: Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Institute of Functional Nano & Soft Materials (FUNSOM) and College of Energy, Soochow University
Ruiyuan Liu: Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Institute of Functional Nano & Soft Materials (FUNSOM) and College of Energy, Soochow University
Ying-Chih Lai: National Chung Hsing University

Nature Communications, 2024, vol. 15, issue 1, 1-14

Abstract: Abstract Large-area metamorphic stretchable sensor networks are desirable in haptic sensing and next-generation electronics. Triboelectric nanogenerator-based self-powered tactile sensors in single-electrode mode constitute one of the best solutions with ideal attributes. However, their large-area multiplexing utilizations are restricted by severe misrecognition between sensing nodes and high-density internal circuits. Here, we provide an electrical signal shielding strategy delivering a large-area multiplexing self-powered untethered triboelectric electronic skin (UTE-skin) with an ultralow misrecognition rate (0.20%). An omnidirectionally stretchable carbon black-Ecoflex composite-based shielding layer is developed to effectively attenuate electrostatic interference from wirings, guaranteeing low-level noise in sensing matrices. UTE-skin operates reliably under 100% uniaxial, 100% biaxial, and 400% isotropic strains, achieving high-quality pressure imaging and multi-touch real-time visualization. Smart gloves for tactile recognition, intelligent insoles for gait analysis, and deformable human-machine interfaces are demonstrated. This work signifies a substantial breakthrough in haptic sensing, offering solutions for the previously challenging issue of large-area multiplexing sensing arrays.

Date: 2024
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DOI: 10.1038/s41467-024-45611-6

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