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相关概念视频

Thermosensation01:43

Thermosensation

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Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
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Updated: Sep 11, 2025

Author Spotlight: Advancements in High-Performance Thermoelectric Thin Films Through Radio Frequency Magnetron Sputtering
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n型热电弹性体

Kai Liu1, Jingyi Wang1, Xiran Pan1

  • 1National Key Laboratory of Advanced Micro and Nano Manufacture Technology, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, School of Materials Science and Engineering, Peking University, Beijing, China.

Nature
|August 13, 2025
PubMed
概括

研究人员开发了新型n型热电弹性体,为自动供电的可穿戴设备实现了高性能和状弹性. 这些材料在能源采集应用中提供了卓越的可塑性和效率.

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科学领域:

  • 材料科学
  • 能源采集
  • 聚合物化学

背景情况:

  • 高性能热电发生器需要内在的弹性,以便无地集成到可穿戴电子和软生物电子中.
  • 现有的柔性热电材料缺乏必要的弹性回收,用于需要显著的形状适应性.

研究的目的:

  • 开发具有超级形状适应性和性能的内在弹性热电材料.
  • 通过结合绝缘聚合物来克服有机热电的传统局限性.

主要方法:

  • 整合统一的批量纳米相分离,热激活交叉连接和向合到单一的n型热电弹性体中.
  • 材料在应力下弹性回收的特征及其热电功率.

主要成果:

  • 开发的热电弹性体具有高达150%的特殊性回收.
  • 即使在变形下,也能达到与柔性无机热电材料相比较高的优点.
  • 通过受控的纳米纤维形成,证明特定的弹性体和补充剂可以增强电导率并降低热导率.

结论:

  • 新型n型热电弹性体为高度可塑和高效的热电发电机提供了有前途的解决方案.
  • 这些材料为先进的自动供电可穿戴电子,软生物电子和个人温度调节设备铺平了道路.
  • 这些发现挑战了传统的理解,表明绝缘聚合物在战略性地集成时可以提高有机热电性能.