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040 _cCICY
090 _aB-19877
245 1 0 _aCarbon nanotube yarn based thermoelectric textiles for harvesting thermal energy and powering electronics
490 0 _aJ. Mater. Chem. A, 8, p.2984-2994, 2020
500 _aArtículo
520 3 _aWearable thermoelectric devices show promise to generate electricity in a ubiquitous, unintermittent and noiseless way for on-body applications. Three-dimensional thermoelectric textiles (TETs) outperform other types in smart textiles owing to their out-of-plane thermoelectric generation and good structural conformability with fabrics. Yet, there has been a lack of efficient strategies in scalable manufacture of TETs for sustainably powering electronics. Here, we fabricate organic spacer fabric shaped TETs by sewing carbon nanotube yarn based segmented thermoelectric textiles on a large scale. Combining finite element analysis with experimental evaluation, we elucidate that the fabric structure significantly influences the power generation. The optimally designed TET with good wearability and stability shows a high output power density of 51.5 mW m2 and a high specific power of 171.7 mW (g K)1 at DT ¼ 47.5 K. The promising on-body application of the TET in directly and continuously powering electronics for healthcare and environmental monitoring is fully demonstrated. This work will broaden the research vision and provide new routines for developing high-performance and large-scale TETs toward practical applications.
650 1 4 _aFABRICS
650 1 4 _aWOOL
650 1 4 _aYARN
700 1 2 _aZheng, Y.
700 1 2 _aZhang, Q.
700 1 2 _aJin, W.
700 1 2 _aJing, Y.
700 1 2 _aChen, X.
700 1 2 _aHan, X.
700 1 2 _aZhang, K.
856 4 0 _uhttps://drive.google.com/file/d/1O6f9Hw8hO7UJqB83TKrUHBkuIH3pu8Ah/view?usp=drive_link
_zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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