相变材料对PV/T系统性能的优化综述  

A review of phase change materials for optimizing the performance of PV/T systems

作　　者：马德林 顾炜莉 MA De-lin;GU Wei-li

机构地区：[1]南华大学土木工程学院,湖南衡阳421001

出　　处：《节能》2024年第12期121-125,共5页Energy Conservation

摘　　要：将相变材料(PCM)作为辅助冷却介质和储热介质集成到太阳能光伏/光热(PV/T)系统中,可以显著提高系统性能。综述了不同相变材料对PV/T系统性能优化的研究现状。分析了使用石蜡、脂肪酸等有机相变材料的PV/T系统,这些相变材料在PV/T系统中作为冷却和储热介质,能够显著提高PV/T系统的能量利用效率和整体效率。阐述使用多层相变材料,使PV/T-PCM系统具有较低的熔化速率和较长的热管理时间,从而进一步优化PV/T系统的性能;特别关注了复合相变材料与PV/T系统的集成,利用纳米材料和多孔材料提高相变材料的导热性和稳定性,进而提高PV/T系统的效率;对当前研究中存在的不足和未来发展进行展望,旨在为高效光伏系统的开发和设计提供参考。Integrating phase change materials(PCM)as auxiliary cooling and thermal storage media into solar photovoltaic/thermal(PV/T)systems can significantly improve system performance.The research status of the performance optimization of PV/T systems without phase change materials is reviewed.Analyzed the use of organic phase change materials such as paraffin and fatty acids in PV/T systems.These phase change materials,as cooling and heat storage media in PV/T systems,can significantly improve the energy utilization efficiency and overall efficiency of PV/T systems.The article elaborates on the use of multi-layer phase change materials to enable the PV/T-PCM system to have a lower melting rate and longer thermal management time,thereby further optimizing the performance of the PV/T system.In addition,special attention has been paid to the integration of composite phase change materials with PV/T systems,utilizing nanomaterials and porous materials to improve the thermal conductivity and stability of phase change materials,thereby enhancing the efficiency of PV/T systems.Finally,the article provides an outlook on the shortcomings and future development of current research,aiming to provide necessary information for the development and design of efficient photovoltaic systems.

关 键 词：PV/T系统 相变材料 复合材料 性能优化 

分 类 号：TK51[动力工程及工程热物理—热能工程]