全季度的被动热管理膜具有多功能,用于高效的辐射冷却和太阳能加热
Tingni Wu1, Kai Yin1,2,3, Yuchun He1
1Hunan Key Laboratory of Nanophotonics and Devices, School of Physics, Central South University, Changsha 410083, China.
The journal of physical chemistry letters
|April 4, 2025
概括
这项研究引入了一种新型的双模式热管理装置. 它可以有效地在加热和冷却之间切换,为各种应用提供节能解决方案.
科学领域:
- 热力工程是热力工程中的一个.
- 材料科学 材料科学 材料科学
背景情况:
- 传统的加热/冷却设备在所有季节的能源需求方面都在扎.
- 存在适应性热管理系统的需求.
研究的目的:
- 设计和演示一个双模式的热管理装置.
- 为了使加热和冷却功能之间能够有效切换.
主要方法:
- 使用秒激光诱导石墨烯 (LIG) 进行加热的设备的制造.
- 应用SiO2空心微球涂层用于冷却.
- 使用拉出机制进行模式切换.
主要成果:
- SiO2涂层实现了93%的反射率和97%的红外辐射率,使得温度降低6.3°C.
- LIG显示了97%的太阳吸收率和高导热率,导致温度增加35°C.
- 该设备成功地在加热和冷却模式之间切换.
结论:
- 双模式装置通过可适应的加热和冷却提供有效的温度调节.
- 这项技术显示出在农业,食品保存和节能建筑等领域应用的巨大潜力.
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