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Thermal properties and reliability of eutectic mixture of stearic acid-acetamide as phase change material for latent heat storage
Ma, Guixiang1,2; Han, Lipeng1,2; Sun, Jinhe1; Jia, Yongzhong1
2017-03-01
Source PublicationJOURNAL OF CHEMICAL THERMODYNAMICS
Volume106Pages:178-186
SubtypeArticle
AbstractThe thermal properties and reliability of the stearic acid (SA) with acetamide (AC) binary mixture were characterized using differential scanning calorimetry (DSC), powder X-ray diffraction (XRD), thermogravimetric analysis (TG) and Fourier transform infrared spectroscopy (FT-IR). The phase diagrams for the SA-AC binary mixture with AC in the metastable and the stable form were constructed. The eutectic system with stable AC is 0.604 mol fraction SA, and displayed a melting temperature (T-m) of 64.55 degrees C and latent heat of melting (Delta H-m) of 193.87J.g(-)1. The eutectic systems with metastable AC are 0.397 and 0.604 mol fraction SA. The melting temperatures are 62.23 degrees C and 62.54 degrees C, and latent heats of fusion are 222.10 J.g(-1) and 194.28J.g(-1), respectively. Following accelerated thermal cycling tests, TG and FTIR analysis indicate that the eutectic mixture (chi(sA) = 0.397) with the metastable AC has good cyclic and thermal stability. The results show that the SA-AC eutectic mixture use as phase change material (PCM) possess good prospect for low temperature thermal energy storage (TES) applications. (C) 2016 Elsevier Ltd.
KeywordPhase Change Material Stearic Acid Acetamide Eutectic Mixture Thermal Properties Thermal Reliability
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordENERGY-STORAGE ; FATTY-ACIDS ; BINARY-MIXTURES ; PERFORMANCE ; SYSTEMS ; PCM
Indexed BySCI
Language英语
WOS Research AreaThermodynamics ; Chemistry
WOS SubjectThermodynamics ; Chemistry, Physical
WOS IDWOS:000392352900019
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6190
Collection青海盐湖研究所知识仓储
Affiliation1.Chinese Acad Sci, Key Lab Comprehens & Highly Efficient Utilizat Sa, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Ma, Guixiang,Han, Lipeng,Sun, Jinhe,et al. Thermal properties and reliability of eutectic mixture of stearic acid-acetamide as phase change material for latent heat storage[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2017,106:178-186.
APA Ma, Guixiang,Han, Lipeng,Sun, Jinhe,&Jia, Yongzhong.(2017).Thermal properties and reliability of eutectic mixture of stearic acid-acetamide as phase change material for latent heat storage.JOURNAL OF CHEMICAL THERMODYNAMICS,106,178-186.
MLA Ma, Guixiang,et al."Thermal properties and reliability of eutectic mixture of stearic acid-acetamide as phase change material for latent heat storage".JOURNAL OF CHEMICAL THERMODYNAMICS 106(2017):178-186.
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