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Thermal analysis and heat capacity study of polyethylene glycol (PEG) phase change materials for thermal energy storage applications
Kou, Yan1; Wang, Siyu1; Luo, Jipeng1,2; Sun, Keyan1,2; Zhang, Jian1; Tan, Zhicheng1; Shi, Quan1
Corresponding AuthorTan, Zhicheng(tzc@dicp.ac.cn) ; Shi, Quan(shiquan@dicp.ac.cn)
KeywordPEG Phase change materials Thermal energy storage Heat capacity Phase transition Thermal conductivity
Source PublicationJOURNAL OF CHEMICAL THERMODYNAMICS
2019
ISSN0021-9614
DOI10.1016/j.jct.2018.08.031
Volume128Pages:259-274
Funding ProjectNational Natural Science Foundation of China[21473198] ; Liaoning Provincial Natural Science Foundation of China[201602741]
Funding OrganizationNational 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
WOS SubjectThermodynamics ; Chemistry, Physical
WOS Research AreaThermodynamics ; Chemistry
WOS KeywordSHAPE STABILITY ; GRAPHENE OXIDE ; CONDUCTIVITY ; COMPOSITE ; CONVERSION ; METHACRYLATE) ; NITRIDE
AbstractPhase 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.
Language英语
Funding OrganizationNational 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
WOS IDWOS:000446481000030
PublisherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/166799
Collection中国科学院大连化学物理研究所
Corresponding AuthorTan, Zhicheng; Shi, Quan
Affiliation1.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
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
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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