Performance Evaluation and Optimization Study of Photovoltaic Modules Incorporating Radiative Cooling Films

Xu Duowei; Gu Wenbo; Bi Tao; Zhang Ruohui

doi:10.12465/issn.0253-4339.20260209001

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Performance Evaluation and Optimization Study of Photovoltaic Modules Incorporating Radiative Cooling Films

更新时间：2026-06-17

- Performance Evaluation and Optimization Study of Photovoltaic Modules Incorporating Radiative Cooling Films
- Journal of Refrigeration Pages: 1-10(2026)
- 作者机构：
  
  1.新疆大学电气工程学院乌鲁木齐 830017
  2. 西北能源碳中和教育部工程研究中心乌鲁木齐 830017
- 作者简介：
  
  Gu Wenbo， male， associate professor， School of Electrical Engineering， Xinjiang University， E-mail： bobo1314@sjtu.edu.cn. Research fields： renewable energy and thermal physics of solar cells.
- 基金信息：
  
  Youth Support Project of Tianshan Talents Training Program of Xinjiang Uygur Autonomous Region(2024TSYCQNTJ0018);Major Science and Technology Projects of Xinjiang Uygur Autonomous Region through the Grant(2025A01006-2)
- DOI：10.12465/issn.0253-4339.20260209001
  CLC： TK514;S214.4
- Received：09 February 2026，
  
  Revised：2026-03-06，
  
  Accepted：20 March 2026，
  
  Online First：17 June 2026，
- 稿件说明：
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许多伟，顾文波，毕涛，等. 集成辐射制冷膜的光伏组件性能评估与优化研究［J］. 制冷学报，XXXX，XX（XX）：1-10.

Xu Duowei，Gu Wenbo，Bi Tao，et al. Performance Evaluation and Optimization Study of Photovoltaic Modules Incorporating Radiative Cooling Films［J］. Journal of Refrigeration，XXXX，XX（XX）：1-10.
许多伟，顾文波，毕涛，等. 集成辐射制冷膜的光伏组件性能评估与优化研究［J］. 制冷学报，XXXX，XX（XX）：1-10. DOI： 10.12465/issn.0253-4339.20260209001.

Xu Duowei，Gu Wenbo，Bi Tao，et al. Performance Evaluation and Optimization Study of Photovoltaic Modules Incorporating Radiative Cooling Films［J］. Journal of Refrigeration，XXXX，XX（XX）：1-10. DOI： 10.12465/issn.0253-4339.20260209001.

摘要

本文通过建立光伏组件-辐射制冷膜一体化组件的热电耦合模型并展开数值模拟仿真，系统研究了辐射制冷膜在光伏组件不同贴附位置及不同天气条件下的冷却效果与影响因素。研究结果表明，将制冷膜贴附于光伏组件背面时，虽降温幅度略低于正面贴附，但避免了阻挡正面辐照带来的功率损失，综合电性能更优，平均降温4.55 ℃，功率提升3.7%；但在理想条件下，若制冷膜在可见光波段高透射、近红外波段高反射，贴附于正面将实现更显著的降温（9.59 ℃）与功率提升（7.83%）；在不同天气条件下，辐射制冷膜在夏季晴天降温效果最佳，而在冬季阴天等低温低辐照条件下因热阻效应导致组件温度升高；辐照度、环境温度与冷却效果呈正相关，而风速呈负相关，其中辐照度对辐射制冷膜的降温增效影响最大。

Abstract

This study systematically investigated the cooling efficacy and influencing factors of radiative cooling films across different attachment positions on photovoltaic modules under varying weather conditions by establishing a thermoelectric coupling model for integrated photovoltaic module-radiative cooling film assemblies and conducting numerical simulations. These findings indicate that while attaching the cooling film to the rear surface of the PV module yields a slightly lower temperature reduction than the front-side attachment， it avoids power losses caused by obstructing front-side irradiation， resulting in superior overall electrical performance. This configuration achieves an average temperature reduction of 4.55 °C and a power increase of 3.7%. However， under ideal conditions， if the cooling film exhibits high transmittance in the visible spectrum and high reflectance in the near-infrared spectrum， front-side application achieves more pronounced cooling （9.59 °C） and power enhancement （7.83%）. Under varying weather conditions， the radiative cooling film demonstrates optimal cooling performance during sunny summer days. Conversely， under low-temperature， low-irradiance conditions such as overcast winter days， the thermal resistance effect increases the module temperatures. Furthermore， irradiance and ambient temperature exhibit positive correlations with cooling efficiency， whereas wind speed shows a negative correlation. Among these factors， the irradiance exerts the most significant influence on the cooling performance of radiative cooling films.

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references

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