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Fiber/Fabric‐Based Piezoelectric and Triboelectric Nanogenerators for Flexible/Stretchable and Wearable Electronics and Artificial Intelligence
Author(s) -
Dong Kai,
Peng Xiao,
Wang Zhong Lin
Publication year - 2020
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201902549
Subject(s) - triboelectric effect , nanogenerator , wearable technology , wearable computer , electronics , energy harvesting , nanotechnology , textile , materials science , computer science , piezoelectricity , electrical engineering , engineering , energy (signal processing) , embedded system , mathematics , composite material , statistics
Abstract Integration of advanced nanogenerator technology with conventional textile processes fosters the emergence of textile‐based nanogenerators (NGs), which will inevitably promote the rapid development and widespread applications of next‐generation wearable electronics and multifaceted artificial intelligence systems. NGs endow smart textiles with mechanical energy harvesting and multifunctional self‐powered sensing capabilities, while textiles provide a versatile flexible design carrier and extensive wearable application platform for their development. However, due to the lack of an effective interactive platform and communication channel between researchers specializing in NGs and those good at textiles, it is rather difficult to achieve fiber/fabric‐based NGs with both excellent electrical output properties and outstanding textile‐related performances. To this end, a critical review is presented on the current state of the arts of wearable fiber/fabric‐based piezoelectric nanogenerators and triboelectric nanogenerators with respect to basic classifications, material selections, fabrication techniques, structural designs, and working principles, as well as potential applications. Furthermore, the potential difficulties and tough challenges that can impede their large‐scale commercial applications are summarized and discussed. It is hoped that this review will not only deepen the ties between smart textiles and wearable NGs, but also push forward further research and applications of future wearable fiber/fabric‐based NGs.