| 不同方法制备LiNO3NaCl/EG复合相变储热材料的热物性分析 |
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| 引用本文： | 刘广赟,李彦,朱群志,王晨鸽.不同方法制备LiNO3NaCl/EG复合相变储热材料的热物性分析[J].上海电力学院学报,2018,34(2):119-122. |
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| 作者姓名： | 刘广赟 李彦 朱群志 王晨鸽 |
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| 作者单位： | 上海电力学院能源与机械工程学院 |
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| 基金项目： | 上海市科学技术委员会项目（18020501000）。 |
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| 摘 要： | 选用LiNO_3-NaCl(87:13)二元混合相变熔盐作为相变材料,高导热系数的膨胀石墨作为复合基载材料,分别采用机械混合熔融法和超声波粉碎法制备了LiNO_3-NaCl/EG复合相变材料。通过热重及同步热分析仪对复合材料的热物性进行了测试分析。进而比较了不同制备方法的优缺点,并通过相变理论对材料的相关物性进行了分析。
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| 关 键 词： | 相变熔盐 膨胀石墨 机械混合熔融法 超声波粉碎法 |
| 收稿时间： | 2018/3/6 0:00:00 |
Thermal Physical Properties Analysis of LiNO3NaCl/EG Composite Phase Change Heat Storage Materials Prepared by Different Methods |
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| LIU Guangyun,LI Yan,ZHU Qunzhi and WANG Chenge.Thermal Physical Properties Analysis of LiNO3NaCl/EG Composite Phase Change Heat Storage Materials Prepared by Different Methods[J].Journal of Shanghai University of Electric Power,2018,34(2):119-122. |
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| Authors: | LIU Guangyun LI Yan ZHU Qunzhi and WANG Chenge |
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| Affiliation: | School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China,School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China,School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China and School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China |
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| Abstract: | LiNO3-NaCl (87:13) phase change molten salt is used as phase change material,and expanded graphite with high thermal conductivity is used as composite base material.LiNO3-NaCl/EG composite phase change material is prepared by mechanical mixed melting method and ultrasonic comminution method.Thermogravimetric analysis is used to test and analyze the thermal properties of the composite.Further still,the advantages and disadvantages of different preparation methods are compared.It is important to optimize the preparation of composite phase change materials by analyzing the theory of phase transformation and the physical properties of materials. |
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| Keywords: | phase change molten salt expanded graphite mechanical mixed melting method ultrasonic grinding method |
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