辐射制冷复合型光伏组件的季节性性能分析

毕涛; 顾文波; 许多伟

doi:10.19912/j.0254-0096.tynxb.2025-0210

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辐射制冷复合型光伏组件的季节性性能分析

更新时间：2026-07-22

- 辐射制冷复合型光伏组件的季节性性能分析
- Vol. 47, Issue 6, Pages: 774-781(2026)
- 作者机构：
- 作者简介：
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- DOI：10.19912/j.0254-0096.tynxb.2025-0210
  CLC： TK514
- Online First：08 July 2026，
  
  Published：2026
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毕涛, 顾文波, 许多伟. 辐射制冷复合型光伏组件的季节性性能分析[J]. 2026, 47(6): 774-781.
DOI：

毕涛, 顾文波, 许多伟. 辐射制冷复合型光伏组件的季节性性能分析[J]. 2026, 47(6): 774-781. DOI： 10.19912/j.0254-0096.tynxb.2025-0210.

摘要

通过实验和仿真探讨不同季节下光伏组件不同位置附加辐射制冷膜对其热电性能的影响。结果表明

在正面附加辐射制冷膜可显著降温

但因透射率下降导致电性能损失近70%;而背面附加膜在夏季平均降温5.08 ℃

功率约提升2%

维持高光电转换效率的同时可有效降低组件温度

在热管理和发电效率的综合方面表现更为优越。夏季时背面贴膜具有良好的降温效果

而在冬季平均环境温度为-10 ℃的低温环境下

组件温差降低0.59 ℃

通过减小温差的方式可延长使用寿命。同时

辐射制冷效果受辐照度、环境温度及风速的影响

高温高辐照度下贴膜降温效果更突出

而增强对流会削弱其降温效果。

Abstract

This paper explores the effects of attaching radiative cooling films at different positions of solar cells in different seasons on their thermoelectric performance through experiments and simulations. The results show that attaching a radiative cooling film on the front side can significantly reduce temperature

but due to the decrease in transmittance

the electrical performance is lost by nearly 70%; while attaching a film on the back side can reduce the average temperature by 5.08 ℃ in summer

and the power is approximately increased by 2%

maintaining a high photoelectric conversion efficiency while effectively reducing the module temperature

In terms of the comprehensive performance of thermal management and power generation efficiency

it performs even better. In summer

the film on the back side has a good cooling effect

and in a low-temperature environment with an average ambient temperature of -10 ℃ in winter

the temperature difference of the module decreases by 0.59 ℃. By reducing the temperature difference

the service life can be extended. At the same time

the radiative cooling effect is affected by irradiance

ambient temperature and wind speed. The cooling effect of attaching a film is more prominent under high temperature and high irradiance conditions

while enhancing convection will weaken its cooling effect.

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references

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