Journal
JOURNAL OF CLEANER PRODUCTION
Volume 247, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2019.119565
Keywords
Shape-stabilized phase change material; Porous carbon; Paraffin
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Funding
- National Key Research and Development Program of China [2018YFC0705400]
- National Natural Science Foundation of China [51778613]
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In this study, tin tetrachloride and sodium polyacrylate were combined in a ratio of 5:14 to control the preparation of porous carbon materials using a template method. Then, paraffin was used as the organic phase change materials (PCMs), porous carbon was used as the support material, and four proportions of paraffin/porous carbon shape-stabilized PCMs were prepared by mixed grinding - heating method. Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and laser Raman spectroscopy (LRS) results showed that paraffin was adsorbed by the pore structure of porous carbon. X-ray diffraction (XRD), LRS and FT-IR analyses indicated that the shape-stabilized PCMs is chemically stable. Differential scanning calorimetry (DSC) showed that the PCMs has a fusion enthalpy of 35 J/g, and the thermogravimetric analyser (TG) showed that the shape-stabilized PCMs has a stable thermal performance. Finally, porous carbon can improve the phase transition rate of the shaped-stabilized PCMs. (C) 2019 Elsevier Ltd. All rights reserved.
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