期刊
ADVANCED MATERIALS TECHNOLOGIES
卷 8, 期 13, 页码 -出版社
WILEY
DOI: 10.1002/admt.202202116
关键词
energy harvesting; flame retardancy; self-powered sensors; smart textiles; triboelectric nanogenerators
With the rapid development of textile-based triboelectric nanogenerators (T-TENGs), a simple and cheap fabrication strategy for flame-retardant T-TENGs (FRT-TENGs) with reliable electrical performance in fire disasters is highly desired. In this work, a flame-retardant triboelectric yarn is successfully developed through a simple and continuous high-speed braiding process. The FRT-TENG exhibits excellent comprehensive performances, including good energy harvesting ability, long-term durability, excellent flame retardancy, and high comfortability.
With the rapid development of the textile-based triboelectric nanogenerators (T-TENGs), it is highly desired to create a simple and cheap fabrication strategy for the T-TENGs with high flame-retardant performances (FRT-TENGs), which can present reliable electrical performance in the fire disaster. In this work, by covering the flame-retardant polyethylene terephthalate filaments around the conductive fiber, a flame-retardant triboelectric yarn is successfully developed through a simple and continuous high-speed braiding process. The obtained composite yarns are further woven into an FRT-TENG, which presents excellent comprehensive performances, including good energy harvesting ability, long-term durability and washability, excellent flame retardancy, and high comfortability. The open-circuit voltage (V-OC) and short-circuit current (I-SC) can reach nearly 12 V and 0.36 mu A, respectively. The FRT-TENG shows a high limiting oxygen index value of 31.3% and self-extinguishing behavior, and still presents high energy output performances after the burning, making it a perfect candidate for intelligent devices with high fireproof ability, such as the smart firefighter uniform and the intelligent carpet for escape direction indication.
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