期刊
NANO ENERGY
卷 74, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.nanoen.2020.104805
关键词
Scalable fiber; Triboelectric nanogenerator; Thermal drawing; Loom weaving
类别
资金
- National Science Foundation [1847436, CNS-0454195]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1847436] Funding Source: National Science Foundation
In the era of the internet of things (IoTs), it is desired to equip the decentralized electronics with distributed power sources. The fiber-based triboelectric nanogenerator (FTENG) provides one of the soundest solutions due to its high efficiency, easy deployment, excellent wearability, low cost, and eco-friendliness. Compared with other forms of TENGs, it can be woven into fabrics as wearable devices, offering good compactness and comfortability. However, the industrial-loom-compatible FTENGs have yet to be fabricated; the fiber diameter and length are typical challenges in the large scale weaving. In this paper, the thermal drawing process (TDP) is introduced to produce FTENGs that are compatible with industrial looms. The diameter of the polymer-cladding and metal-core fiber has been reduced to similar to 350 mu m, and the length of a single fiber has been scaled up to sub-kilometer. Both hand-woven and loom-woven swatches are demonstrated, showing good flexibility, stretchability, power density, stability, washability, and breathability. Besides serving as power sources, such swatches have been used as self-powered sensors for body motion monitoring and communication. These applications show that the thermally drawn FTENGs can serve as powerful and reliable wearable devices in modern electronics.
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