具有热致变色温度自适应辐射冷却涂层的全季节热调节
All-season thermal regulation with thermochromic temperature-adaptive radiative cooling coatings
中文简介
辐射冷却是一种不消耗能源的可持续冷却方法;然而,强烈的冷却效果会增加寒冷冬季取暖的能源消耗。因此,设计并制造了一种温度自适应辐射冷却涂层(TARCC),该涂层由基于光谱选择性多孔聚合物膜(PM)的辐射冷却底层和基于热致变色微胶囊混合涂层(TMHC)的热致变色顶层组成。这项研究。TMHC 的颜色可以随环境温度变化,涂层的太阳反射率可以独立调节。结果表明,TMHC在高温下呈透明状,PM/TMHC的整体太阳反射率为91.25%,而TMHC在低温下呈玫瑰红色并吸收可见光,这可以将 PM/TMHC 的太阳反射率降低到 72.71%。夏季,当 PM/TMHC 暴露在 900 W/m 强度的直射阳光下时如图2所示,该涂层的背面温度比传统的彩色涂层低7.1℃,也低于带有商业白色隔热涂层(CC/TMHC)的TARCC。在冬季,当太阳强度低于 500 W/m 2时,PM/TMHC 保持其颜色,其温度比 PM
英文摘要(原文)
method of sustainable cooling without energy consumption; however, a strong cooling effect increases the energy consumption for heating in cold winters. Therefore, a temperature-adaptive radiative cooling coating (TARCC) consisting of a radiative cooling underlayer based on a spectral-selectivity porous polymer membrane (PM) and a thermochromic top layer based on a thermochromic microcapsule hybrid
题录(GB/T 7714)
Wang J, Xie M, An Y, 等. All-season thermal regulation with thermochromic temperature-adaptive radiative cooling coatings[J]. Solar Energy Materials and Solar Cells, 2022, 246: 111883. DOI: 10.1016/j.solmat.2022.111883.
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