非对称的阿拉米德气凝复合材料,通过简斯热传递结构提供持久和隐蔽的热管理
Jianpeng Wu1, Yu Wang1, Pingan Song2
1CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China (USTC), Hefei, Anhui 230026, PR China.
Nano letters
|October 28, 2024
概括
这项研究提出了一种新型不对称复合材料 (AAAC) 提供持久的热舒适性. 该材料提供持续的热量和低红外辐射率,用于多样化的应用.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 热力工程是热力工程中的一个.
背景情况:
- 传统的热设备在寒冷气候下难以提供高效的热量供应和防止损失.
- 持久的热舒适性需要能够长期保留和控制释放热量的先进材料.
研究的目的:
- 开发一种不对称的复合材料 (AAAC) 以实现有效和持续的热管理.
- 为了实现各种应用的低红外辐射的舒适和安全的热疗法.
主要方法:
- 通过真空过的银纳米线 (AgNWs) 制造AAAC到透过聚乙烯糖醇 (PEG) 的亚拉米德纳米纤维气凝上.
- 使用AgNW e-skin的朱尔加热和注入PEG的相变热能储存.
- 评估热疗对人类腰部和膝盖的性能,并测量红外辐射率.
主要成果:
- 在没有电源的情况下,AAAC在5-8分钟内保持了合适的温度范围 (37-39°C).
- 该材料表现出低红外辐射率 (0.064-0.315),使其能够进行热伪装.
- 雅努斯的结构为目标身体区域提供了有效的热疗法.
结论:
- 开发的AAAC为持久的热舒适性和高效的热管理提供了有前途的解决方案.
- 它的独特特性支持日常生活和军事环境中的应用,需要谨慎的热调节.
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