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Title: Mechanically interlocked stretchable nanofibers for multifunctional wearable triboelectric nanogenerator
Authors: Li, Yi
Xiong, Jiaqing
Lv, Jian
Chen, Jian
Gao, Dace
Zhang, Xiaoxing
Lee, Pooi See
Keywords: Engineering::Materials::Functional materials
Issue Date: 2020
Source: Li, Y., Xiong, J., Lv, J., Chen, J., Gao, D., Zhang, X., & Lee, P. S. (2020). Mechanically interlocked stretchable nanofibers for multifunctional wearable triboelectric nanogenerator. Nano Energy, 78, 105358. doi:10.1016/j.nanoen.2020.105358
Project: NRF-NRFI2016-05 
Journal: Nano Energy 
Abstract: Nanofibers with good softness and high surface specific area are excellent choices for wearable triboelectric nanogenerator (TENG), despite that the deformability and durability remain challenging in seamless integration with daily textiles/clothes. Herein, we propose a physical interlocking strategy to realize a self-interlocked stretchable, breathable and waterproof nanofibers-membrane by simultaneous electrospinning of poly (vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) and electrospraying of styrene-ethylene-butylene-styrene (SEBS). The electrosprayed SEBS microspheres serve as the elastic binders and hydrophobic modifiers for enhancing stretchability and waterproofness of the electrospun PVDF-HFP fibers network. By means of a printable electrode consisted of liquid metal (gallium indium tin particles) and silver flakes, a stretchable nanofibers-based TENG (SNF-TENG) with high triboelectric output (85 V, 219.66 mW m−2) and electrical durability was demonstrated, capable of harvesting energy from human motions and flowing water, powering 200 commercial LEDs and an electronic watch. The stretchable nanofibers membrane shows favorable mechanical compliance, which can be facilely integrated onto stretchable textile to fabricate textile-TENG, promising for comfortable wearable applications for power sources, smart raincoat, self-powered e-skin and tactile interactive interfaces.
ISSN: 2211-2855
DOI: 10.1016/j.nanoen.2020.105358
Schools: School of Materials Science and Engineering 
Organisations: Wuhan University 
Hubei University of Technology 
Rights: © 2020 Elsevier Ltd. All rights reserved. This paper was published in Nano Energy and is made available with permission of Elsevier Ltd.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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