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Fabrication Process of Silicone-based Dielectric Elastomer Actuators
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液压驱动的适应性变形活性冷却弹性体,具有生物启发的双连续相.

Dehai Yu1, Zhonghao Wang1, Guidong Chi1

  • 1Center for Agricultural Flexible Electronics Technology, College of Engineering, China Agricultural University, Beijing, 100083, China.

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|February 8, 2024
PubMed
概括

研究人员开发了一种新的液体金属弹性体,用于先进的冷却. 这种材料具有很高的导热性和伸展性,改善了电子和软机器人的散热.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 生物医学工程 生物医学工程
  • 机器人技术 机器人技术 机器人技术

背景情况:

  • 活性冷却弹性体模仿血管温度调节以散热热量.
  • 目前的局限性包括低导热性和适应性差.
  • 软机器人和灵活的电子设备需要高效的热管理.

研究的目的:

  • 开发一种高性能活性冷却弹性体,具有增强的导热性和适应性.
  • 以骨结构为灵感,创建基于液体金属骨架的弹性体.
  • 实施一个由液压驱动的变形策略,以实现符合规范的温度调节.

主要方法:

  • 用双连续液体金属制成弹性体的制造 Gyroid 阶段.
  • 使用液压驱动的策略来改变形状和适应.
  • 与灵活的热电器件的集成.

主要成果:

  • 实现高热导率高达27.1W/mK.
  • 证明了出色的伸展性,延展极限超过600%.
  • 通过液压调制,使其能够适应复杂的表面.

结论:

  • 液体金属弹性体提供卓越的散热和自适应式冷却能力.
  • 开发的材料和策略适用于灵活的电子产品,软机器人和可穿戴的温度调节.
  • 潜在的应用包括软抓手,热能收集和头部温度调节装置.