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Solid-liquid phase equilibria of stearic acid and dicarboxylic acids binary mixtures as low temperature thermal energy storage materials
Ma, Guixiang1,2,3; Sun, Jinhe1,2; Xie, Shaolei1,2; Wang, Zhao1,2,3; Jing, Yan1,2; Jia, Yongzhong1,2
2018-05-01
Source PublicationJOURNAL OF CHEMICAL THERMODYNAMICS
Volume120Pages:60-71
SubtypeArticle
AbstractThis article investigated thermal properties and stabilities of three eutectic mixtures of dicarboxylic acids (DA) and stearic acid (SA) as phase change materials (PCMs) for low temperature thermal energy storage. The solid-liquid phase diagrams were experimentally and theoretically constructed, respectively. The {SA + adipic acid (ADA)}, {SA + suberic acid (SUA)} and {SA + sebacic acid (SEA)} form eutectic mixtures at (96.2, 93.6 and 94.5) mol% of stearic acid SA. The three mixtures display melting onset temperature around (340.60, 339.52 and 340.23) K and latent heat of fusion of (200.30, 191.38 and 196.63) J . g(-1), respectively. Additionally, the average value of the thermal conductivity of SA-ADA, SA-SUA and SASEA eutectic mixture of the solid state at room temperature was determined, and are (0.1439, 0.1720 and 0.1802) W . m(-1.)K(-1), respectively. In addition, the three mixtures show excellent thermal stability and thermal reliability as indicated by 100 thermal cycles and thermogravimetry analysis. Based on the above results, it can be concluded that the studied PCMs have significant potential for the intended purpose. (C) 2018 Elsevier Ltd.
KeywordAdipic Acid Suberic Acid Sebacic Acid Phase Change Materials Eutectic Mixture Thermal Energy Storage
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordEUTECTIC MIXTURES ; HEAT-STORAGE ; THERMODYNAMIC PROPERTIES ; GRAPHITE COMPOSITE ; ORGANIC-COMPOUNDS ; FATTY-ACIDS ; SYSTEMS ; BEHAVIOR ; ENCAPSULATION ; FUSION
Indexed BySCI
Language英语
WOS Research AreaThermodynamics ; Chemistry
WOS SubjectThermodynamics ; Chemistry, Physical
WOS IDWOS:000428714700009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6452
Collection青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Qinghai, Peoples R China
2.Qinghai Engn & Technol Res Ctr Comprehens Utiliza, Xining 810008, Qinghai, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Ma, Guixiang,Sun, Jinhe,Xie, Shaolei,et al. Solid-liquid phase equilibria of stearic acid and dicarboxylic acids binary mixtures as low temperature thermal energy storage materials[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2018,120:60-71.
APA Ma, Guixiang,Sun, Jinhe,Xie, Shaolei,Wang, Zhao,Jing, Yan,&Jia, Yongzhong.(2018).Solid-liquid phase equilibria of stearic acid and dicarboxylic acids binary mixtures as low temperature thermal energy storage materials.JOURNAL OF CHEMICAL THERMODYNAMICS,120,60-71.
MLA Ma, Guixiang,et al."Solid-liquid phase equilibria of stearic acid and dicarboxylic acids binary mixtures as low temperature thermal energy storage materials".JOURNAL OF CHEMICAL THERMODYNAMICS 120(2018):60-71.
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