辐射制冷材料(RCM)被广泛应用于节能建筑中,但在低温环境下会导致多余的制热能耗。相变材料(PCM)通过自身的物相变化进行能量储存和释放用以调节能量的供需平衡。PCM与RCM耦合将两者的优势相结合,有效控制建筑室内温度和提高辐射制冷效率,节约更多的建筑能耗。根据PCM的相对位置将PCM与RCM的耦合形式分为PCM在RCM内侧、PCM在RCM外侧、PCM嵌入RCM和PCM与RCM分离四类,分别对其研究现状进行归纳总结,论述了PCM的相变温度和厚度以及RCM的性能等因素对耦合效果的影响,最后对潜在应用进行了总结并对未来的研究方向进行了展望,以期助力零能耗建筑的发展。
Radiative cooling materials (RCM) are widely used in energy-saving buildings,but they can lead to redundant heating energy consumption in low-temperature environment.Phase change materials (PCM) can store and release energy through their own phase change to regulate the balance between supply and demand of energy.The coupling of PCM and RCM combines the advantages of both materials,which can effectively control the indoor temperature of buildings,improve the efficiency of radiation cooling,and reduce overall building energy consumption.According to the relative position of PCM,the coupling forms of PCM and RCM were divided into four categories:PCM inside RCM,PCM outside RCM,PCM embedded in RCM and PCM separated from RCM,and the latest research status of each coupling form was reviewed,the influence of the phase change temperature and thickness of PCM and the performance of RCM on the coupling effect was discussed in detail.Finally,the potential applications were summarized,and the future research direction was prospected to contribute to the development of zero-energy buildings.
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基金资助
国家自然科学基金(52366015);江西省自然科学基金项目(2024BAB25281);江西省教育厅科学技术研究项目(GJJ2200817);江西理工大学高层次人才资助项目(205200100620);赣鄱俊才支持计划-急需紧缺海外人才引进项目(2024BCE50075)
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