Highly thermally conductive phase change composites for thermal energy storage featuring shape memory

被引：43
|
作者：
Luo, Fubin [1 ,2 ,3 ]
Yan, PinPing [1 ,2 ,3 ]
Qian, Qingrong [1 ,2 ,3 ]
Li, Hongzhou [1 ,2 ,3 ]
Huang, Baoquan [1 ,2 ,3 ]
Chen, Qinghua [1 ,2 ,3 ]
Wu, Kun [4 ]
Lu, Mangeng [4 ]
机构：
[1] Fujian Normal Univ, Coll Environm Sci & Engn, Fuzhou 350007, Peoples R China
[2] Fujian Key Lab Pollut Control & Resource Reuse, Fuzhou 350007, Peoples R China
[3] Minist Educ, Engn Res Ctr Polymer Green Recycling, Fuzhou 350007, Peoples R China
[4] Chinese Acad Sci, Guangzhou Inst Chem, Guangzhou 510650, Peoples R China
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2020年 / 129卷 / 129期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Thermal conductivity; Epoxy; Phase change materials; Boron nitride; EPOXY COMPOSITES; BORON-NITRIDE; HEAT-TRANSFER; ENHANCEMENT; PERFORMANCE; CONVERSION; MANAGEMENT; BLENDS; FOAM;
D O I：
10.1016/j.compositesa.2019.105706
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Highly thermally conductive form-stable phase change materials (PCMs) possessing shape memory are designed based on covalent-noncovalent interpenetrating polymer network and boron nitride. The matrix network relies on the composition of two functional species, cured mesogenic epoxy (EO) and polyethylene glycol (PEG). It is demonstrated that the covalent network of EO can trap PEG by forming hydrogen bond with PEG chains. On the basis of EO/PEG networks, by incorporating boron nitride, the thermally conductivity of the PCMs can reach to 2.962 W m(-1) K-1. The prepared composites show satisfied thermal energy storage capability and good shape stability when undergo long time heating at 80 degrees C. In addition, the prepared composite exhibits excellent shape memory function. Diverse functions of the PCMs might produce new applications in thermal energy storage or thermal management fields.
引用
收藏
页数：9
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