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Study on photo pyrolysis coupling and performance of columnar phase change energy storage system based on composite phase change materials for Chinese solar greenhouse

文献类型： 外文期刊

作者： Qu, Xiaosong 1 ; Wu, Gang 1 ; Feng, Chaoqing 2 ; Liang, Hao 3 ; Yuan, Guanghao 2 ; Lu, Wei 5 ; Liu, Ruiguang 6 ; Zhang, Wanjiang 6 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China

2.Inner Mongolia Univ Technol, Coll Energy & Power Engn, Hohhot 010051, Peoples R China

3.Beijing Acad Agr & Forestry Sci, Vegetable Res Inst, Beijing 100097, Peoples R China

4.Univ Nottingham, Dept Architecture & Built Environm, Nottingham NG7 2RD, England

5.Sichuan Agr Univ, Coll Hort, Chengdu 611130, Peoples R China

6.Xinjiang Kunlun Heavy Equipment Mfg Co Ltd, Urumqi 830000, Peoples R China

关键词： Solar energy; Chinese solar greenhouse; Composite phase change materials; Photothermal environment; Energy storage

期刊名称：ENERGY （ 影响因子：9.4； 五年影响因子：8.8 ）

ISSN： 0360-5442

年卷期： 2025 年 332 卷

页码：

收录情况： SCI

摘要： To improve the phenomenon of uneven light environment and low indoor temperature at night caused by crop and structure occlusion in Chinese solar greenhouse, this study proposes a columnar energy storage device filled with composite phase change materials and combined with a reflecting film based on the full spectrum utilization of solar energy, which is placed on the north wall surface of Chinese solar greenhouse to comprehensively regulate the photothermal environment and a control greenhouse without heating is also set up for comparison. After testing, at 50 degrees C and an optical path length of 50 mm, the composite phase change materials with a concentration of 0.001 % nanoparticles have an average transmittance of 66.7 % in the photosynthetically active radiation band, and an average sum of absorption and reflectance of 79.8 % in the near infrared spectrum band. The greenhouse experiment results showed that the average growth factor index G of plants in the experimental greenhouse increased by 17.53 %. The average air temperature in the greenhouse increased by 1.70 degrees C at night. During the experiment, the average heat collection efficiency of columnar energy storage devices was 40 %. This study provides a new approach for efficient greenhouse production using full spectrum solar energy utilization.

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