The thermal improvement of cascade phase change thermal management module for photovoltaic cells

文献类型： 外文期刊

第一作者： Wu, Tingting

作者： Wu, Tingting;Mo, Lianjian;Hu, Yanxin;Zeng, Mingjiang;Cai, Shuting;Fan, Changxiang;Song, Mengjie

作者机构：

关键词： High thermal conductivity flexible phase; change material (SCPCM); Cascade phase change; Photovoltaic cell; Thermal management

期刊名称：APPLIED THERMAL ENGINEERING （ 影响因子：6.9； 五年影响因子：6.6 ）

ISSN： 1359-4311

年卷期： 2025 年 273 卷

页码：

收录情况： SCI

摘要： Most existing phase change thermal management technologies are uniformly filled phase change modules, resulting in a certain degree of suppression of their phase change heat absorption rate, which seriously hampers the development and application of phase change material (PCM) in thermal management systems for photovoltaic cells. In this regard, a cascade phase change thermal management module for photovoltaic cells was proposed, where paraffin (PA) was used as the phase change matrix, polyethylene octene co-elastomers (POE) and ethylene-ethylene-butadiene-styrene block copolymers (SEBS) were employed as flexible support materials, and expansion graphite (EG) and carbon nanotubes (CNTs) were utilized as thermally conductive reinforcing materials to synergistically improve the thermal conductivity of the materials, resulting in the preparation of a highly thermally conductive flexible phase change material (SCPCM). The experimental results showed that the maximum thermal conductivity of SCPCM was 1.217 W/(m & sdot;K) at a mass fraction of 4 % of EG and 1 % of CNTs, and its latent heat of phase change was 150 J/g. It was also flexible and able to meet the thermal management requirements of photovoltaic cells. In addition, under the simulated sensible heat power of 2000 W/m2 irradiation intensity, after coupling a 10 mm phase change layer, the phase change layer of the cascade structure had the most excellent cooling effect, and the maximum temperature was reduced by 4.4 degrees C.

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