形态工程 CaCO3 实现区域辐射冷却和加热的双模纳米复合材料
Xuran Li1, Xueming Fan1, Ruilin Yang1
1State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, P.R. China.
Small (Weinheim an der Bergstrasse, Germany)
|October 19, 2025
概括
一种新的双模式膜为建筑物提供先进的被动辐射冷却 (PRC) 和被动辐射加热 (PRH). 这种创新材料实现了显著的温度控制,提高了能源效率和智能热管理.
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:
- 被动辐射冷却 (PRC) 和加热 (PRH) 是关键的低能耗温度控制方法.
- 现有的材料在与区域化热管理需求作斗争.
- 要解决这些局限性,需要一种双模式的片.
研究的目的:
- 为中华人民共和国和中华人民共和国开发和展示一款高性能双模式膜.
- 为高效的太阳反射率和红外辐射率设计材料.
- 为智能和节能建筑热控制提供解决方案.
主要方法:
- 使用CaCO3和PDMS进行冷却的梯度密集结构的制造.
- 开发一个分层的PDMS/CNTs吸收器与PET/ITO层加热.
- 两种模式的太阳反射率和红外辐射率的表征.
主要成果:
- 冷却侧实现了95.2%的太阳反射率和96.7%的红外辐射率.
- 加热侧显示了30.2%的太阳反射率和2.5%的红外辐射率.
- 双模式膜实现了7.6°C的环境下冷却和3.6°C的加热.
结论:
- 开发的双模式膜有效地提供了被动辐射冷却和加热.
- 冷却和加热模式的可调节方向为建筑物提供了协同效应的好处.
- 这项技术为低能耗,高效的智能建筑热控制提供了一种新的方法.
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