Palmitic acid/polypyrrole composites as form-stable phase change materials for thermal energy storage

被引：86
作者：
Silakhori, Mahyar [1 ,2 ]
Metselaar, Hendrik Simon Cornelis [1 ,2 ]
Mahlia, Teuku Meurah Indra [3 ]
Fauzi, Hadi [1 ,2 ]
Baradaran, Saeid [1 ,2 ]
Naghavi, Mohammad Sajad [1 ,2 ]
机构：
[1] Univ Malaya, Dept Mech Engn, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Adv Mat Res Ctr, Kuala Lumpur 50603, Malaysia
[3] Univ Tenaga Nas, Dept Mech Engn, Kajang 43000, Selangor, Malaysia
来源：
ENERGY CONVERSION AND MANAGEMENT | 2014年 / 80卷
关键词：
Phase change materials (PCMs); Thermal energy storage; Thermal properties; Thermal reliability; POLYURETHANE; RELIABILITY; BLENDS;
D O I：
10.1016/j.enconman.2014.01.023
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this study a novel palmitic acid (PA)/polypyrrole (PPy) form-stable PCMs were readily prepared by in situ polymerization method. PA was used as thermal energy storage material and PPy was operated as supporting material. Form-stable PCMs were investigated by SEM (scanning electron microscopy) and FTIR (Fourier transform infrared spectrometer) analysis that illustrated PA Particles were wrapped by PPy particles. XRD (X-ray diffractometer) was used for crystalline phase of PA/PPy composites. Thermogravimetry analysis (TGA) and differential scanning calorimetry (DSC) were used for investigating Thermal stability and thermal energy storage properties of prepared form-stable PCMs. According to the obtained results the form stable PCMs exhibited favorable thermal stability in terms of their phase change temperature. The form-stable PCMs (79.9 wt% loading of PA) were considered as the highest loading PCM with desirable latent heat storage of 166.3 J/g and good thermal stability. Accelerated thermal cycling tests also showed that form stable PCM had an acceptable thermal reliability. As a consequence of acceptable thermal properties, thermal stability and chemical stability, we can consider the new kind of form stable PCMs for low temperature solar thermal energy storage applications. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：491 / 497
页数：7
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