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Passive isothermal film enabled by synergistic sky radiation energy harvesting and storage

Bin Yin1Zichao Xiong1Hanyu Chen1Primož Poredoš2Ruzhu Wang1Tingxian Li1Jiaxing Xu1( )
Institute of Refrigeration and Cryogenics, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Laboratory for Sustainable Technologies in Buildings, Faculty of Mechanical Engineering, University of Ljubljana, 1000 Ljubljana, Slovenia
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Abstract

The substantial energy demand associated with active heating, cooling, and ventilation presents a pressing challenge for sustainable development. Conventional systems rely heavily on electricity, contributing to environmental strain and high energy costs. Passive radiative cooling and solar heating offer promising alternatives but are often limited by the spatial-temporal mismatch between energy supply and demand, especially in arid climates with extreme diurnal temperature fluctuations. In a recent Nature Communications paper, Kim et al. reported a novel self-switchable passive isothermal film, co-driven by radiative cooling and solar heating, and coupled with sorption thermal energy storage and salt dissolution-based cold storage. This innovative design enables all-day temperature regulation in harsh climate conditions, offering a compelling solution for building energy conservation.

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Nano Research Energy
Article number: e9120145
Cite this article:
Yin B, Xiong Z, Chen H, et al. Passive isothermal film enabled by synergistic sky radiation energy harvesting and storage. Nano Research Energy, 2024, 3: e9120145. https://doi.org/10.26599/NRE.2024.9120145

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Received: 05 November 2024
Revised: 15 November 2024
Accepted: 19 November 2024
Published: 29 November 2024
© The Author(s) 2024. Published by Tsinghua University Press.

The articles published in this open access journal are distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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