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Urea-treated wet-spun PEDOT: PSS fibers for achieving high-performance wearable supercapacitors
Composites Communications ( IF 8 ) Pub Date : 2021-07-28 , DOI: 10.1016/j.coco.2021.100885
Yuhang Wang , Mingxu Wang , Peng Wang , Wei Zhou , Ziwei Chen , Qiang Gao , Ming Shen , Jiadeng Zhu

Reliable stability plays an essential role in the development of wearable electronics, while for fiber-based wearable sensors, it is a big challenge to achieve their long-term stability. Currently, developing facile and rapid methods to obtain conductive fibers with high durability and electrical conductivity is still unremitting. In this work, we report a facile secondary treatment strategy to prepare PEDOT: PSS fibers with excellent durability, which is demonstrated in the fact that the electrical conductivity as well as the electrochemical properties of the fibers remain stable even after a long period of storage. Meanwhile, the conductivity of urea-treated fibers has been remarkably improved compared to that of pristine fibers. It is worth mentioning that enhanced durability not only stabilizes their electrical conductivity, but also enables long-term stability of the supercapacitor made of the fibers. Moreover, this work explores the importance of stability for PEDOT: PSS fiber-based devices, inspiring a unique path for novel fiber design.



中文翻译:

尿素处理湿纺PEDOT:用于实现高性能可穿戴超级电容器的PSS纤维

可靠的稳定性在可穿戴电子产品的发展中起着至关重要的作用,而对于基于光纤的可穿戴传感器而言,实现其长期稳定性是一个很大的挑战。目前,开发简便、快速的方法来获得具有高耐久性和导电性的导电纤维仍在不懈努力。在这项工作中,我们报告了一种简便的二级处理策略来制备 PEDOT:具有优异耐久性的 PSS 纤维,这在导电性和电化学性能方面得到证明的纤维即使在长期储存后仍保持稳定。同时,与原始纤维相比,尿素处理纤维的导电性得到显着提高。值得一提的是,增强的耐用性不仅可以稳定其导电性,还可以使由纤维制成的超级电容器具有长期稳定性。此外,这项工作探索了稳定性对 PEDOT:PSS 光纤设备的重要性,为新型光纤设计开辟了一条独特的道路。

更新日期:2021-08-02
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