游泳池供热系统用CH3COONa·3h2o -甘氨酸- kcl复合相变材料的研制

IF 6.3 2区材料科学 Q2 ENERGY & FUELS

Solar Energy Materials and Solar Cells Pub Date : 2025-03-15 DOI:10.1016/j.solmat.2025.113574

Tao Xu , Fuyu Qin , Jiaming Zhang , Zhidong Li , Shen Wei , Lingzhi Zhong , Yue Han , Ximin Lin , Junyi Wei , Yi Yang , Weitao Shao

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引用次数: 0

摘要

随着现代生活水平的提高，室内和室外游泳池的数量有所增加。然而，冬季的高能耗和采暖成本与绿色发展的要求不相适应。因此，在本研究中，开发了一种新型的复合相变材料（CPCM），用于集成太阳能-空气源热泵游泳池供暖系统。该系统旨在提供更长的供暖时间，减少温度波动，同时也缓解能源消耗高峰期间国家能源供应的压力。将甘氨酸（Gly）和氯化钾（KCl）与三水合乙酸钠（SAT）结合制备形状稳定的CPCM （SAT- Gly- KCl CPCM）。它被整合到游泳池供暖系统中，以证明新材料的影响是合理的。实验结果证明了该材料的一些主要性能，实验室制备的熔点、潜热值和过冷度分别为40.3℃、274.4 J/g和1.36℃，大规模制备的熔点、潜热值和过冷度分别为40.9℃、249.5 J/g和1.42℃。该材料还具有良好的稳定性和热可靠性。将SAT-Gly-KCl CPCM应用于游泳池加热系统时，发现100和200个相变储热模块的加热时间分别比对照组增加了9.89倍和10.59倍。因此，SAT-Gly-KCl CPCM为游泳池供暖系统提供了一个有前途的解决方案。该研究有助于cpcm在此类系统中的进一步开发和应用，提高能源效率和稳定性。

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Development of CH3COONa·3H2O-Glycine-KCl composite phase change material for the swimming pool heating system

With the improvement of modern living standards, the number of indoor and outdoor swimming pools has increased. However, the high energy consumption and heating costs in winter do not align with the requirements of green development. Therefore, in this study, a novel Composite Phase Change Material (CPCM) was developed to be integrated with a solar-air source heat pump swimming pool heating system. This system aims to provide longer heating durations and reduce temperature fluctuations, while also alleviating the pressure on national energy supply during peak energy consumption. Glycine (Gly) and potassium chloride (KCl) were combined with sodium acetate trihydrate (SAT) to prepare a shape-stabilized CPCM (SAT- Gly- KCl CPCM). It was integrated into a swimming pool heating system to justify the impact of the new material. Experimental results have demonstrated some major properties of this material, the melting point, latent heat value and supercooling degree were 40.3 °C, 274.4 J/g and 1.36 °C for the laboratory preparation, and 40.9 °C, 249.5 J/g and 1.42 °C for the large-scale preparation, respectively. The material also exhibited good stability and thermal reliability. When SAT-Gly-KCl CPCM was applied to a swimming pool heating system, it was found that 100 and 200 phase change thermal storage modules increased heating durations by 9.89 and 10.59 times, respectively, compared to the control group. Therefore, the SAT-Gly-KCl CPCM presents a promising solution for swimming pool heating systems. This study contributes to the further development and application of CPCMs in such systems, offering improved energy efficiency and stability.

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来源期刊

Solar Energy Materials and Solar Cells 工程技术-材料科学：综合

CiteScore

12.60

自引率

11.60%

发文量

513

审稿时长

47 days

期刊介绍： Solar Energy Materials & Solar Cells is intended as a vehicle for the dissemination of research results on materials science and technology related to photovoltaic, photothermal and photoelectrochemical solar energy conversion. Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials.