Form-stable phase change materials with high phase change enthalpy from the composite of paraffin and cross-linking phase change structure

被引：137
作者：
Zhang, Yuang [1 ]
Wang, Lingjuan [1 ]
Tang, Bingtao [1 ]
Lu, Rongwen [1 ]
Zhang, Shufen [1 ]
机构：
[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116024, Peoples R China
来源：
APPLIED ENERGY | 2016年 / 184卷
基金：
中国国家自然科学基金;
关键词：
Phase change composite; Phase change enthalpy; Form stable; THERMAL-ENERGY STORAGE; PCM; CONDUCTIVITY; SYSTEMS; MICROENCAPSULATION; ENHANCEMENT; PERFORMANCE;
D O I：
10.1016/j.apenergy.2016.10.021
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Large phase-change latent heat and good shape stability are of critical importance in the practical application of phase-change materials for thermal energy storage. This study focuses on a novel strategy to obtain novel phase-change materials with high phase-change enthalpy and form-stable characteristics from the simple composite of paraffin with cross-linking phase-change structure. The structure, thermal properties, crystalline properties, shape-stabilized properties, and thermal stability of the composite materials were determined and analyzed. The phase transition enthalpy of the material can reach 210.6 J/g at a paraffin weight content of 74%. This result was higher than most of the previously reported form-stable PCMs. The shape of the composite was unchanged even after being placed on a 100 degrees C hot plate. This effect was attributed to the supporting mechanism of cross-linking phase-change structure. (c) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：241 / 246
页数：6
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