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. 2020 Jul 22;12(29):33297-33304.
doi: 10.1021/acsami.0c09446. Epub 2020 Jul 7.

Highly Integrable Thermoelectric Fiber

Haifeng Xu  1 , Yang Guo  1 , Bo Wu  1 , Chengyi Hou  1 , Qinghong Zhang  2 , Yaogang Li  2 , Hongzhi Wang  1   2
Affiliations

Highly Integrable Thermoelectric Fiber

Haifeng Xu et al. ACS Appl Mater Interfaces. .

Abstract

The integration of thermoelectric (TE) device on fabrics is a challenge. Instead of using adhesive tape to fix traditional filmlike TE devices onto the fabrics, which sacrifices the breathability of fabrics, here we report a flexible TE fiber based on poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/tellurium nanowires (Te NWs) composites, which can be woven and integrated into the fabric directly. The TE fibers have a tunable content and orientation of Te NWs and also the potential to be scaled up based on the wet-spinning process. The TE fibers exhibit desirable wearable TE performances, including high power factor (78.1 μW m-1 K-2), high mass-specific power (9.48 μW g-1), excellent mechanical flexibility, and superior integrability.

Keywords: PEDOT:PSS; Te nanowires; smart fabric; thermoelectric fiber; wearable device.

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