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Thermal analysis and heat capacity study of polyethylene glycol (PEG) phase change materials for thermal energy storage applications

文献类型：期刊论文

作者Kou, Yan2; Wang, Siyu2; Luo, Jipeng1,2; Sun, Keyan1,2; Zhang, Jian2; Tan, Zhicheng2; Shi, Quan2
刊名JOURNAL OF CHEMICAL THERMODYNAMICS
出版日期2019
卷号128页码:259-274
关键词PEG Phase change materials Thermal energy storage Heat capacity Phase transition Thermal conductivity
ISSN号0021-9614
DOI10.1016/j.jct.2018.08.031
通讯作者Tan, Zhicheng(tzc@dicp.ac.cn) ; Shi, Quan(shiquan@dicp.ac.cn)
英文摘要Phase change materials (PCMs) generally offer high latent heats for a wide range of thermal energy storage technologies. As typical organic PCMs, polyethylene glycol (PEG) has been widely studied due to their high latent enthalpy, non-toxic and non-corrosive natures. However, the thermal properties especially the heat capacities of PEG, which would play a vital role in theoretically and technically investigating PCM thermal performance, have never been studied in a wide temperature region. Herein, we reported the heat capacities of PEG samples with the molar massvarying from 1000 to 20,000 for the first time in the temperature range from (1.9 to 400) K using a combination method of Physical Property Measurement System (PPMS) and differential scanning calorimeter (DSC). Furthermore, the standard molar heat capacity, entropy and enthalpy at 298.15 K and 0.1 MPa were calculated based on the heat capacity curve fitting. Meanwhile, the phase transition temperature and enthalpy, thermal conductivity and thermal stability of these PEG samples were measured using various thermal analysis methods, and these thermal properties were also compared with the previous results. (C) 2018 Published by Elsevier Ltd.
WOS关键词SHAPE STABILITY ; GRAPHENE OXIDE ; CONDUCTIVITY ; COMPOSITE ; CONVERSION ; METHACRYLATE) ; NITRIDE
资助项目National Natural Science Foundation of China[21473198] ; Liaoning Provincial Natural Science Foundation of China[201602741]
WOS研究方向Thermodynamics ; Chemistry
语种英语
WOS记录号WOS:000446481000030
出版者ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Liaoning Provincial Natural Science Foundation of China ; Liaoning Provincial Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Liaoning Provincial Natural Science Foundation of China ; Liaoning Provincial Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Liaoning Provincial Natural Science Foundation of China ; Liaoning Provincial Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Liaoning Provincial Natural Science Foundation of China ; Liaoning Provincial Natural Science Foundation of China
源URL[http://cas-ir.dicp.ac.cn/handle/321008/166798]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者Tan, Zhicheng; Shi, Quan
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Liaoning Prov Key Lab Thermochem Energy & Mat, Thermochem Lab,Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714		 Kou, Yan,Wang, Siyu,Luo, Jipeng,et al. Thermal analysis and heat capacity study of polyethylene glycol (PEG) phase change materials for thermal energy storage applications[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2019,128:259-274.
APA Kou, Yan.,Wang, Siyu.,Luo, Jipeng.,Sun, Keyan.,Zhang, Jian.,...&Shi, Quan.(2019).Thermal analysis and heat capacity study of polyethylene glycol (PEG) phase change materials for thermal energy storage applications.JOURNAL OF CHEMICAL THERMODYNAMICS,128,259-274.
MLA Kou, Yan,et al."Thermal analysis and heat capacity study of polyethylene glycol (PEG) phase change materials for thermal energy storage applications".JOURNAL OF CHEMICAL THERMODYNAMICS 128(2019):259-274.

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来源：大连化学物理研究所

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