石墨烯增强复合相变储能材料的热学性能研究

硅酸盐通报 ›› 2022, Vol. 41 ›› Issue (7): 2542-2548.

石墨烯增强复合相变储能材料的热学性能研究

李润丰¹, 刘艳军¹, 涂玉波¹, 王林俊², 温晓庆², 任磊^3,4

1.北京建筑材料科学研究总院有限公司,固废资源化利用与节能建材国家重点实验室,北京 100041;
2.河北睿索固废工程技术研究院有限公司,承德 067000;
3.北京环境工程技术有限公司,北京 100101;
4.北京市城镇生活固废综合处理与资源化工程技术研究中心,北京 100101

收稿日期:2022-01-11 修回日期:2022-05-06 出版日期:2022-07-15 发布日期:2022-08-01
作者简介:李润丰(1990—),男,博士,高级工程师。主要从事建筑材料、硅酸盐材料方面的研究。E-mail:lirunfeng@bbma.com.cn

Thermal Properties of Graphene Enhanced Composite Phase Change Materials for Energy Storage

LI Runfeng¹, LIU Yanjun¹, TU Yubo¹, WANG Linjun², WEN Xiaoqing², REN Lei^3,4

1. State Key Laboratory of Solid Waste Reuse for Building Materials, Beijing Building Materials Academy of Sciences Research,Beijing 100041, China;
2. Hebei Ruisuo Soild Waste Engineering Technology Research Institute, Chengde 067000, China;
3. Beijing Environmental Engineering Technology Co., Ltd., Beijing 100101, China;
4. Engineering Technology Research Center of Beijing MSW Comprehensive Treatment and Utilization, Beijing 100101, China

Received:2022-01-11 Revised:2022-05-06 Online:2022-07-15 Published:2022-08-01

摘要/Abstract

摘要： 以铁尾矿多孔陶瓷为载体,通过自发浸渗法成功制备出了添加石墨烯的复合相变储能材料,并对该材料热学性能及稳定性进行测试。结果表明:通过改变载体孔隙率,可以制得导热系数为0.41~0.59 W/(m·K)、潜热为69~120 kJ/kg、热学稳定性良好的导热增强复合相变储能材料。通过拟合,复合相变储能材料的导热系数与多孔载体的孔隙率呈线性关系,且经100次热循环后材料熔化潜热和导热系数分别降低了3.2%和16.7%。本研究为固废铁尾矿在蓄热、储能领域的应用提供了新思路。

关键词: 石蜡, 复合相变储能材料, 铁尾矿多孔陶瓷, 石墨烯, 热学性能, 热学稳定性

Abstract: Thermal enhanced composite phase change materials for energy storage (TCPCMs) were fabricated by the spontaneous infiltration treatment, with adding graphene and iron tailing porous ceramics as the carrier. Based on the tests of thermal properties and stability, TCPCMs with thermal conductivity of 0.41~0.59 W/(m·K), latent heat of 69~120 kJ/kg, and good stability are obtained by adjusting the porosity of the carrier. Thethermal conductivity of TCPCMs has a linear relationship to the porosity of ceramic carrier by fitting test data. Besides, the latent heat and thermal conductivity of TCPCMs decrease by 3.2% and 16.7% after 100 times melting/solidification cycles. This research provides a new idea for the application of solid iron tailings in thermal and energy storage materials.

Key words: paraffin, composite phase change material for energy storage, iron tailing porous ceramics, grapheme, thermal property, thermal stability

中图分类号:

TU523

李润丰, 刘艳军, 涂玉波, 王林俊, 温晓庆, 任磊. 石墨烯增强复合相变储能材料的热学性能研究[J]. 硅酸盐通报, 2022, 41(7): 2542-2548.

LI Runfeng, LIU Yanjun, TU Yubo, WANG Linjun, WEN Xiaoqing, REN Lei. Thermal Properties of Graphene Enhanced Composite Phase Change Materials for Energy Storage[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(7): 2542-2548.

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