High temperature thermally conductive nanocomposite textile by "green" electrospinning

Nanoscale
Jiemin WangWeiwei Lei

Abstract

Recently, thermally regulating textiles have attracted wide interest owing to their ability to realize personal cooling and provide thermal comfort. However, most of the thermally conductive textiles cannot afford higher temperatures (>200 °C), which restricts their further applications in aviation, fire extinguishing or military requiring high temperature heat spreaders. Here, we report a high temperature thermally conductive nanocomposite textile consisting of amino functional boron nitride (FBN) nanosheets and polyimide (PI) nanofibers. Notably, the textile is "green" electrospun from aqueous solution without any toxic organic solvents, which is facile, economical and environmently friendly. Moreover, both FBN and the precursor of PI are modified to be water soluble and exhibit good compatibility in the spinning solution even under high concentrations. The "green" method obtained FBN-PI textile shows high thermal conductivity (13.1 W m-1 K-1) at a high temperature (300 °C), filling in the gap of thermally conductive polymer nanocomposite fibers for high temperature thermal regulation. Furthermore, it also provides efficient cooling capability as a thermal spreader. The good performance is ascribed to the weaving of the align...Continue Reading

References

May 16, 2017·Nano Letters·Ankun YangYi Cui
Sep 12, 2017·ACS Applied Materials & Interfaces·Sakthivel NagarajanMikhael Bechelany
Oct 27, 2017·ACS Nano·Tingting GaoLiangbing Hu
Jan 4, 2018·Science Advances·Po-Chun HsuYi Cui

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Citations

Sep 23, 2020·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Duo PanZhanhu Guo

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Methods Mentioned

BETA
differential scanning calorimetry
chip

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