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膜模拟协同液体和固体导热接口作为设计高性能热接口材料的新策略
Sijia Zheng1, Haiyan Xue1, Ying Liu1
1Key Laboratory of Advanced Textile Materials and Manufacturing Technology and Engineering Research Center for Eco-Dyeing & Finishing of Textiles, Ministry of Education, Zhejiang Provincial Engineering Research Center for Green and Low-carbon Dyeing & Finishing, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
Small (Weinheim an der Bergstrasse, Germany)
|December 3, 2023
概括
这项研究介绍了一种新的,鼓膜启发的热接口材料 (TIM),可以实现高导热性. 这种先进的材料为冷却现代电子设备提供了有前途的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 复合材料 复合材料 复合材料
背景情况:
- 现代电子产品需要先进的热接口材料 (TIM) 来有效散热.
- 现有的TIM在平衡热导电性,机械灵活性和成本等特性方面面临挑战.
- 在TIM的矛盾性质需要创新的材料设计策略.
研究的目的:
- 开发一种高性能热接口材料 (TIM),其灵感来源于自然气泡结构.
- 克服导热性,机械性质和TIM成本之间的固有权衡.
- 为了创建一个轻量级的,导热的,和高性价比的TIM用于先进的电子应用.
主要方法:
- 在聚甲基 (PDS) 矩阵内使用自我调整的石墨网设计了一个TIM,模仿气膜.
- 嵌入液体金属 (LM) 作为毛细血管网络,以弥合石墨和PDS组件.
- 研究了石墨和LM在增强热传输方面的协同效应.
主要成果:
- 实现了9.98 ± 0.34 W m-1 K-1.1 的优异导热率.
- 在发光二极管 (LED) 和中央处理单元 (CPU) 制冷应用中证明了稳定的热性能.
- 开发了一种轻质,柔软和导热的复合材料.
结论:
- 以气膜为灵感的TIM设计通过结构调节和协同填充效应有效地提高了导热性.
- 开发的材料具有出色的热管理能力,适合在先进电子产品中长期使用.
- 这种高性能基TIM为电子行业日益增长的需求提供了可行的解决方案.
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