Shape adaptable and highly resilient 3D braided triboelectric nanogenerators as e-textiles for power and sensing

Kai Dong, Xiao Peng, Jie An, Aurelia Chi Wang, Jianjun Luo, Baozhong Sun, Jie Wang () and Zhong Lin Wang ()
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Kai Dong: Chinese Academy of Sciences
Xiao Peng: Chinese Academy of Sciences
Jie An: Chinese Academy of Sciences
Aurelia Chi Wang: Georgia Institute of Technology
Jianjun Luo: Chinese Academy of Sciences
Baozhong Sun: Donghua University
Jie Wang: Chinese Academy of Sciences
Zhong Lin Wang: Chinese Academy of Sciences

Nature Communications, 2020, vol. 11, issue 1, 1-11

Abstract: Abstract Combining traditional textiles with triboelectric nanogenerators (TENGs) gives birth to self-powered electronic textiles (e-textiles). However, there are two bottlenecks in their widespread application, low power output and poor sensing capability. Herein, by means of the three-dimensional five-directional braided (3DB) structure, a TENG-based e-textile with the features of high flexibility, shape adaptability, structural integrity, cyclic washability, and superior mechanical stability, is designed for power and sensing. Due to the spatial frame-column structure formed between the outer braided yarn and inner axial yarn, the 3DB-TENG is also endowed with high compression resilience, enhanced power output, improved pressure sensitivity, and vibrational energy harvesting ability, which can power miniature wearable electronics and respond to tiny weight variations. Furthermore, an intelligent shoe and an identity recognition carpet are demonstrated to verify its performance. This study hopes to provide a new design concept for high-performance textile-based TENGs and expand their application scope in human-machine interfacing.

Date: 2020
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DOI: 10.1038/s41467-020-16642-6

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