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题名: Heat capacities of some sugar alcohols as phase change materials for thermal energy storage applications
作者: Jia, Rui1, 2;  Sun, Keyan2, 4;  Li, Rongchun3;  Zhang, Youyou2;  Wang, Wenxia2;  Yin, Heng2;  Fang, Dawei1;  Shi, Quan2;  Tan, Zhicheng2
关键词: Sugar alcohols ;  Heat capacity ;  Phase change materials ;  Thermal energy storage ;  PPMS ;  DSC
刊名: JOURNAL OF CHEMICAL THERMODYNAMICS
发表日期: 2017-12-01
DOI: 10.1016/j.jct.2017.08.004
卷: 115, 页:233-248
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Thermodynamics ;  Chemistry, Physical
研究领域[WOS]: Thermodynamics ;  Chemistry
英文摘要: In recent years, sugar alcohols have attracted much attention due to their remarkable phase change properties for thermal energy storage applications. The thermodynamic properties especially the heat capacities would play a crucial role in theoretically and technically investigating the energy storage performance for sugar alcohols. However, as far as we known, the heat capacities of sugar alcohols have never been studied in a wide temperature region. In this study, we have measured the heat capacities of six sugar alcohols of D-mannitol, Myo-Inositol, xylitol, D-arabinitol, L-arabinitol and erythritol in the temperature range from T = (1.9 to 550) K for the first time using a combination of Physical Property Measurement System and differential scanning calorimeter. Based on the heat capacity curve fitting, the standard molar heat capacity, entropy and enthalpy at 298.15 K and 0.1 MPa, and melting temperature and transition enthalpy in the solid-liquid phase transition region were consequently obtained for these sugar alcohols. Moreover, the heat capacity and phase transition properties obtained in this work were also compared with previous results reported in literature. (C) 2017 Elsevier Ltd.
关键词[WOS]: THERMODYNAMIC PROPERTIES ;  SOLIDIFICATION BEHAVIOR ;  ORGANIC-COMPOUNDS ;  NATURAL POLYOLS ;  DEGREES-C ;  ERYTHRITOL ;  XYLITOL ;  PCM ;  CONDUCTIVITY ;  ENHANCEMENT
语种: 英语
WOS记录号: WOS:000413418600026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149697
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Univ, Key Lab Rare Scattered Elements, Coll Chem, Shenyang 110036, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Dezhou Univ, Coll Chem & Chem Engn, Key Lab Coordinat Chem & Funct Mat, Dezhou 253023, Shandong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Jia, Rui,Sun, Keyan,Li, Rongchun,et al. Heat capacities of some sugar alcohols as phase change materials for thermal energy storage applications[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2017,115:233-248.
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