以贝为灵感的聚合物为基础的复合材料,用于干燥和水下环境中高效的热管理
Heng Zhang1, Qingxia He1, Huitao Yu1
1School of Materials Science and Engineering and Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin 300350, P. R. China.
ACS nano
|August 2, 2024
概括
研究人员开发了一种新的聚合物复合物,灵感来自贝,用于数据中心的高效传热. 这种灵活的防水材料为先进的冷却系统提供了出色的导热性和自我修复性能.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 热力工程是热力工程中的一个.
背景情况:
- 数据中心的处理器功耗不断增加,推动了对可持续冷却解决方案的需求.
- 浸泡液体冷却是传统空气冷却的有希望的替代方案,需要先进的热管理材料.
研究的目的:
- 为沉浸式液体冷却系统开发一种灵活,防水和电绝缘的聚合物基导热复合材料.
- 为了研究一种新型 inspired的共聚合物复合物的热和自我愈合特性.
主要方法:
- 通过可逆分子相互作用合成了一种共聚物,聚甲二甲基-共多巴胺甲基酸盐 (PDMS-DMA).
- 将PDMS-DMA与液体金属 (EGaIn) 结合起来,以创建基于聚合物的导热复合材料.
- 描述了复合材料的机械性能,导热率,电绝缘,防水性和自我修复能力.
主要成果:
- 该PDMS-DMA/EGaIn复合物表现出低模量 (75.8 kPa) 和高热导率 (6.9 W m-1 K-1).
- 该材料在20分钟内,即使在水下,也能在室温下快速自我愈合.
- 复合材料具有电绝缘性和防水性,适用于各种热管理应用.
结论:
- 灵感来自贝的PDMS-DMA/EGaIn复合材料提供了灵活性,导热性和自愈的独特组合,用于先进的冷却.
- 它的防水和电绝缘性能使其成为空气和水下环境中高效和稳定的传热的理想选择.
- 这种耐水性聚合物复合材料对于未来浸泡液冷系统的热保护层具有重要意义.
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