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非互易热传递推进柔性热电器件发展

Non-reciprocal heat transfer advances flexible thermoelectric devices

Jinwen Yang, Wenmei Luo, Hongbin Xu, Fuqing Duan, Yafei Ding, Jie Chen, Guimei Zhu, Baowen Li

arXiv 2608.20386首次发表:更新:

AI 中文总结

该研究提出基于非互易热传递的柔性热电器件设计,结合导热复合材料与丝网印刷技术,无需外置散热器即可实现29.25的冷却温度降,拓展了柔性热电器件的应用场景。

AI 中文摘要

传统柔性热电器件在可穿戴电子及其他高端冷却场景中,面临复杂散热组件、性能欠佳、柔性有限的问题,阻碍其广泛应用与商业化。本研究提出一种非常规柔性热电器件设计,无需外置散热器,可在室温下将温度降至-7.03,实现29.25的冷却温度降。该设计基于非互易热传递,结合导热复合材料与丝网印刷技术,利用定向热流,消除了对复杂散热器网络的需求,将柔性热电器件的应用从个人热管理拓展至家庭医疗、急救等更广泛领域。

英文摘要

Complex heat dissipation assemblies, inferior performance, and limited flexibility are the primary constraints impeding the wide application and commercialization of conventional flexible thermoelectric devices in wearable electronics and other high-end cooling scenarios. In this work, we report a non-conventional design for flexible thermoelectric devices which can reduce the temperature to -7.03 at room temperature without external heat sink, achieving a cooling temperature drop of 29.25. The design is based on non-reciprocal heat transfer, integrated with thermally conductive composites and screen-printing technologies. This approach takes advantage of directional heat flow, thereby eliminating the need for complex heat sink networks, which extend the applications of flexible thermoelectric devices from personal thermal management to more broader fields such as home healthcare and emergency first aid.

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