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Materials 2016, 9(2), 70; doi:10.3390/ma9020070

Building Energy Storage Panel Based on Paraffin/Expanded Perlite: Preparation and Thermal Performance Study

1
School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China
2
School of Civil Engineering, Hebei University of Technology, Tianjin 300401, China
*
Author to whom correspondence should be addressed.
Academic Editor: Luisa F. Cabeza
Received: 1 December 2015 / Revised: 13 January 2016 / Accepted: 18 January 2016 / Published: 25 January 2016
View Full-Text   |   Download PDF [6402 KB, uploaded 25 January 2016]   |  

Abstract

This study is focused on the preparation and performance of a building energy storage panel (BESP). The BESP was fabricated through a mold pressing method based on phase change material particle (PCMP), which was prepared in two steps: vacuum absorption and surface film coating. Firstly, phase change material (PCM) was incorporated into expanded perlite (EP) through a vacuum absorption method to obtain composite PCM; secondly, the composite PCM was immersed into the mixture of colloidal silica and organic acrylate, and then it was taken out and dried naturally. A series of experiments, including differential scanning calorimeter (DSC), scanning electron microscope (SEM), best matching test, and durability test, have been conducted to characterize and analyze the thermophysical property and reliability of PCMP. Additionally, the thermal performance of BESP was studied through a dynamic thermal property test. The results have showed that: (1) the surface film coating procedure can effectively solve the leakage problem of composite phase change material prepared by vacuum impregnation; (2) the optimum adsorption ratio for paraffin and EP was 52.5:47.5 in mass fraction, and the PCMP has good thermal properties, stability, and durability; and (3) in the process of dynamic thermal performance test, BESP have low temperature variation, significant temperature lagging, and large heat storage ability, which indicated the potential of BESP in the application of building energy efficiency. View Full-Text
Keywords: building energy storage panel; phase change material particle; vacuum absorption; surface film coating; expanded perlite; paraffin building energy storage panel; phase change material particle; vacuum absorption; surface film coating; expanded perlite; paraffin
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kong, X.; Zhong, Y.; Rong, X.; Min, C.; Qi, C. Building Energy Storage Panel Based on Paraffin/Expanded Perlite: Preparation and Thermal Performance Study. Materials 2016, 9, 70.

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