Issue 43, 2020, Issue in Progress
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RSC Advances

A lauric acid-hybridized bentonite composite phase-changing material for thermal energy storage†

Songyang Liu, ORCID logo *ab   Jie Han,ab   Lunan Wang,ab   Ying Gao,c   Hai Sunab  and  Weilong Lia  

* Corresponding authors

a School of Civil Engineering, Liaoning Shihua University, Fushun 113001, China
E-mail: liusongyanglnsh@163.com
Tel: +86-24-56863306

b Liaoning Key Lab of Petro-chemical Special Building Materials, Liaoning Shihua University, Fushun 113001, China

c School of Chemistry and Materials Science, Liaoning Shihua University, Fushun 113001, China

Abstract

In this study, a form-stable composite phase-changing material (PCM) was synthesised by a vacuum impregnation method. Natural Na-bentonite and lauric acid (LA) were used as the supporting material and PCM, respectively. In addition, flake graphite (FG) was used for enhancing the thermal conductivity of the form-stable composite PCM, besides for blocking the leakage of the PCM. Notably, with the addition of FG, the period of melting and freezing of the composite PCM decreased to a certain extend. Meanwhile, the heat-transfer characteristic of the composite increased. Moreover, the as-prepared form-stable composite PCM showed good thermal reliability after 200 cycles of thermal-cold treatment and has the potential to be used in thermal energy storage systems.

Graphical abstract: A lauric acid-hybridized bentonite composite phase-changing material for thermal energy storage

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Article information

DOI
https://doi.org/10.1039/C9RA06936D
Article type
Paper
Submitted
05 Sep 2019
Accepted
23 Jun 2020
First published
08 Jul 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 25864-25873

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A lauric acid-hybridized bentonite composite phase-changing material for thermal energy storage

S. Liu, J. Han, L. Wang, Y. Gao, H. Sun and W. Li, RSC Adv., 2020, 10, 25864 DOI: 10.1039/C9RA06936D

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