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Author:

Ma, Jikun (Ma, Jikun.) | Liu, Hui (Liu, Hui.) | Sun, Dawei (Sun, Dawei.) | Cui, Suping (Cui, Suping.) (Scholars:崔素萍)

Indexed by:

EI Scopus SCIE

Abstract:

This study fabricated a kind of novel phase change microcapsules with a metal-polymer hybrid capsule shell for applying in gypsum materials to reduce building energy consumption. The microstructure, composition and thermal characteristics of the microcapsules were investigated by using techniques such as the scanning electron microscope, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and differential scanning calorimetry. Their impact on the thermal regulation characteristics of gypsum composite materials was also analyzed through the heating plate test and simulated room experiment. Results show the microcapsules with inner organic polymer and outer copper layer were successfully fabricated. And they exhibited a phase change temperature between 22.3 degrees C and 23.3 degrees C and latent heat between 82.2 J/g to 139.5 J/g. Meanwhile, the thermal inertia and thermal storage capacity of gypsum composites were enhanced by incorporating the final microcapsules. After heated for 40 min, the gypsum composite board with MPCM-Cu shows the ability to reduce the room temperature fluctuation. Furthermore, the thermal performance of MPCM-Cu remains stable after 250 thermal cycles. These results indicate that final microcapsules exhibit the potential for building energy conservation.

Keyword:

Phase change microcapsules Gypsum composites Building energy efficiency Thermal energy storage

Author Community:

  • [ 1 ] [Ma, Jikun]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 2 ] [Liu, Hui]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 3 ] [Sun, Dawei]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 4 ] [Cui, Suping]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China

Reprint Author's Address:

  • 崔素萍

    [Cui, Suping]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China

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Source :

CONSTRUCTION AND BUILDING MATERIALS

ISSN: 0950-0618

Year: 2024

Volume: 413

7 . 4 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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