A tandem radiative/evaporative cooler for weather-insensitive and high-performance daytime passive cooling-Reference-Cited by-同舟云学术

A tandem radiative/evaporative cooler for weather-insensitive and high-performance daytime passive cooling

Published:2022-08-12 Issue:32 Volume:8 Page:
ISSN:2375-2548
Container-title:Science Advances
language:en
Short-container-title:Sci. Adv.

Author:

Li Jinlei¹^ORCID,Wang Xueyang¹^ORCID,Liang Dong¹^ORCID,Xu Ning¹^ORCID,Zhu Bin¹^ORCID,Li Wei²^ORCID,Yao Pengcheng¹^ORCID,Jiang Yi¹,Min Xinzhe¹,Huang Zhengzong³,Zhu Shining¹^ORCID,Fan Shanhui⁴^ORCID,Zhu Jia¹^ORCID

Affiliation:

1. National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Jiangsu Key Laboratory of Artificial Functional Materials, Collaborative Innovation Center of Advanced Microstructures, Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing 210093, P.R. China.

2. GPL Photonics Lab, State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, P.R. China.

3. School of Energy Science and Engineering, Central South University, Changsha 410083, P.R. China.

4. Ginzton Laboratory, Department of Electrical Engineering, Stanford University, Stanford, CA 94305, USA.

Abstract

Radiative cooling and evaporative cooling with low carbon footprint are regarded as promising passive cooling strategies. However, the intrinsic limits of continuous water supply with complex systems for evaporative cooling, and restricted cooling power as well as the strict requirement of weather conditions for radiative cooling, hinder the scale of their practical applications. Here, we propose a tandem passive cooler composed of bilayer polymer that enables dual-functional passive cooling of radiation and evaporation. Specifically, the high reflectivity to sunlight and mid-infrared emissivity of this polymer film allows excellent radiative cooling performance, and its good atmospheric water harvesting property of underlayer ensures self-supply of water and high evaporative cooling power. Consequently, this tandem passive cooler overcomes the fundamental difficulties of radiative cooling and evaporative cooling and shows the applicability under various conditions of weather/climate. It is expected that this design can expand the practical application domain of passive cooling.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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