Structural Analysis of Phase Change Materials (PCMs)/Expanded Graphite (EG) Composites and Their Thermal Behavior under Hot and Humid Conditions-Reference-Cited by-同舟云学术

Structural Analysis of Phase Change Materials (PCMs)/Expanded Graphite (EG) Composites and Their Thermal Behavior under Hot and Humid Conditions

Published:2023-04 Issue:4 Volume:88 Page:
ISSN:2192-6506
Container-title:ChemPlusChem
language:en
Short-container-title:ChemPlusChem

Author:

Yang Kai¹^ORCID,Zhang Xiuling¹,Venkataraman Mohanapriya¹,Wiener Jakub¹,Palanisamy Sundaramoorthy¹,Sozcu Sebnem¹,Tan Xiaodong¹,Kremenakova Dana¹,Zhu Guocheng²³,Yao Juming⁴⁵³,Militky Jiri¹

Affiliation:

1. Department of Material Engineering Faculty of Textile Engineering Technical University of Liberec Studentska 1402/2 Liberec Czech Republic

2. College of Textiles and Engineering Zhejiang Sci-tech University Second Avenue, Xiasha Higher Education Zone Hangzhou P.R. China

3. Zhejiang-Czech Joint Laboratory of Advanced Fiber Materials Zhejiang Sci-tech University Second Avenue, Xiasha Higher Education Zone Hangzhou P.R. China

4. School of Materials and Engineering Zhejiang Sci-tech University Second Avenue, Xiasha Higher Education Zone Hangzhou P.R. China

5. School of Materials Science and Chemical Engineering Ningbo University No. 818 Fenghua Road, Jiangbei District Ningbo City P.R. China

Abstract

AbstractExpanded graphite (EG) has been used to store phase change materials (PCM) to enhance thermal conductivity and avoid leakage. However, systematic investigation on physical structure of various embedded PCMs in EG is not reported. Besides, the effect of environment on thermal behavior of PCM/EG composites has not been investigated yet. In this work, three common PCMs (including myristic acid (MA), polyethylene glycol (PEG) and paraffin wax (PW)) were embedded in EG and three PCM/EG composites were obtained. As a result, capillary force between EG and PCMs supported encapsulation of PCMs in EG. PCM/EG composites had narrower phase change range while supercooling degree values were different when various PCMs were used. Besides, the hot and humid environment had a side effect on thermal energy storage of PCMs and PCM/EG composites. The inherent hydrophilicity of PCMs was essential for resistance against side effect of moisture on thermal energy storage.

Publisher

Wiley

Subject

General Chemistry

Link

https://onlinelibrary.wiley.com/doi/pdf/10.1002/cplu.202300081

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