High-Efficiency and Scalable Cooling Solution for Parked Cars: Coupling Radiative Cooling and Latent Heat Storage

IF 8.7 1区化学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Materials Letters Pub Date : 2025-05-12 DOI:10.1021/acsmaterialslett.5c0069510.1021/acsmaterialslett.5c00695

Peimin Wang, Mulin Qin, Kaihang Jia, Ali Usman, Jingchun Zhang, Zhenghui Shen*, Jin Zhang* and Ruqiang Zou*,

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Abstract

Overheating of parked cars under sunlight poses significant problems, introducing heightened risks of spontaneous combustion and excessive energy consumption for cooling. However, effective cooling strategies remain lacking. In this work, we pioneered the strategy of coupling radiative cooling with latent heat storage to achieve high-efficiency and scalable cooling. Radiative cooling is realized by coating radiative paint on the surface of a commercial car cover featuring high sunlight reflectance and infrared emissivity. Optimized phase change materials with shape stability and high enthalpy are utilized within the cabin. The dual-mode system demonstrates a cooling performance that successively maintains the cabin’s temperature below 22.5 °C when the bare car’s temperature reaches 60 °C. This thermal management performance stems from morning to noon’s external thermal insulation and internal heat storage, paired with evening to night’s efficient dissipation of internal released heat, providing a highly efficient and sustainable solution for parked car cooling under sunlight.

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高效可扩展的停车冷却解决方案：耦合辐射冷却和潜热储存

在阳光下停放的汽车过热会带来严重的问题，会增加自燃的风险，并会消耗过多的冷却能源。然而，有效的冷却策略仍然缺乏。在这项工作中，我们开创了将辐射冷却与潜热储存相结合的策略，以实现高效率和可扩展的冷却。通过在具有高太阳反射率和红外发射率的商用车盖表面涂覆辐射涂料来实现辐射冷却。机舱内采用了形状稳定、焓高的优化相变材料。双模系统的冷却性能表明，当裸车温度达到60℃时，车内温度仍能保持在22.5℃以下。这种热管理性能源于早上到中午的外部隔热和内部储热，加上晚上到晚上的内部释放热量的有效耗散，为停放在阳光下的汽车提供了高效和可持续的冷却解决方案。

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来源期刊

ACS Materials Letters MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

14.60

自引率

3.50%

发文量

261

期刊介绍： ACS Materials Letters is a journal that publishes high-quality and urgent papers at the forefront of fundamental and applied research in the field of materials science. It aims to bridge the gap between materials and other disciplines such as chemistry, engineering, and biology. The journal encourages multidisciplinary and innovative research that addresses global challenges. Papers submitted to ACS Materials Letters should clearly demonstrate the need for rapid disclosure of key results. The journal is interested in various areas including the design, synthesis, characterization, and evaluation of emerging materials, understanding the relationships between structure, property, and performance, as well as developing materials for applications in energy, environment, biomedical, electronics, and catalysis. The journal has a 2-year impact factor of 11.4 and is dedicated to publishing transformative materials research with fast processing times. The editors and staff of ACS Materials Letters actively participate in major scientific conferences and engage closely with readers and authors. The journal also maintains an active presence on social media to provide authors with greater visibility.