Fiber materials are highly desirable for wearable electronics that are expected to be flexible and stretchable. Compared with rigid and planar electronic devices, fiber-based wearable electronics provide significant advantages in terms of flexibility, stretchability and breathability, and they are considered as the pioneers in the new generation of soft wearables. The convergence of textile science, electronic engineering and nanotechnology has made it feasible to build electronic functions on fibers and maintain them during wear. Over the last few years, fiber-shaped wearable electronics with desired designability and integration features have been intensively explored and developed. As an indispensable part and cornerstone of flexible wearable devices, fibers are of great significance. Herein, the research progress of advanced fiber materials is reviewed, which mainly includes various material preparations, fabrication technologies and representative studies on different wearable applications. Finally, key challenges and future directions of fiber materials and wearable electronics are examined along with an analysis of possible solutions.

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中文翻译：

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用于可穿戴电子产品的先进纤维材料

纤维材料对于预期具有柔韧性和可拉伸性的可穿戴电子产品来说是非常理想的。与刚性和平面电子设备相比，基于纤维的可穿戴电子设备在柔韧性、可拉伸性和透气性方面具有显着优势，被认为是新一代软性可穿戴设备的先驱。纺织科学、电子工程和纳米技术的融合使得在纤维上构建电子功能并在穿着期间保持它们成为可能。在过去的几年里，具有所需设计性和集成特性的纤维状可穿戴电子产品得到了深入的探索和开发。作为柔性可穿戴设备不可缺少的组成部分和基石，纤维具有重要意义。在此处，综述了先进纤维材料的研究进展，主要包括各种材料制备、制造技术和不同可穿戴应用的代表性研究。最后，研究了纤维材料和可穿戴电子产品的主要挑战和未来方向，并分析了可能的解决方案。

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