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Improving the thermal regulation and efficiency enhancement of PCM- Integrated PV modules using nano particles

机译：使用纳米粒子改善PCM集成光伏模块的热调节并提高效率

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摘要

In integrated Photovoltaic (PV) systems, integrating the back side of the PV module with building wall insulate it from the surrounding air causing a dramatically increase of the PV temperature. The increase of the PV temperature causes a substantial decrease of its efficiency and output power. The idea of the present work is the investigation of the thermal regulation and efficiency enhancement of PV-building integrated system using phase change materials (PCM) and Al2O3 nanoparticles. The approach of the study is experimentally testing three separate PV modules integrated with building wall, pure PCM and PCM/Al2O3 nanoparticles compound at the same time and location. Temperatures distributions, open-circuit voltage, short- circuit current, output power and the modules efficiencies were recorded and analyzed. The results show that (i) integrating the PCM to the back side of the integrate PV modules regulates the module temperature and improves its efficiency, (ii) adding Al2O3 nanoparticles to the PCM further increase the possibility of the temperature regulation and the thermal efficiency of the integrated modules, and (iii) integrating the PV with pure PCM and enhanced PCM by nanoparticles can drop the temperature of the modules by 8.1 and 10.6 degrees C and increase its efficiency by 5.7 and 13.2%, respectively.
机译：在集成的光伏（PV）系统中，将PV模块的背面与建筑物墙壁集成在一起，将其与周围的空气隔离，从而导致PV温度急剧上升。 PV温度的升高导致其效率和输出功率大大降低。本工作的思想是研究使用相变材料（PCM）和Al2O3纳米粒子的光伏建筑集成系统的热调节和效率提高。该研究的方法是在同一时间和地点通过实验测试与建筑墙体，纯PCM和PCM / Al2O3纳米颗粒化合物集成的三个独立的PV模块。记录并分析温度分布，开路电压，短路电流，输出功率和模块效率。结果表明（i）将PCM集成到集成PV组件的背面可调节组件温度并提高其效率；（ii）将Al2O3纳米粒子添加到PCM中可进一步增加温度调节的可能性和热效率。集成的模块，以及（iii）通过纳米颗粒将PV与纯PCM和增强的PCM集成在一起，可使模块温度降低8.1和10.6摄氏度，并分别提高效率5.7和13.2％。

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