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学科主题: 物理化学
题名: CaCl2 center dot 6H(2)O/Expanded graphite composite as form-stable phase change materials for thermal energy storage
作者: Duan, Zhi-jun1, 2;  Zhang, Huan-zhi2;  Sun, Li-xian2, 3;  Cao, Zhong1;  Xu, Fen2;  Zou, Yong-jin2;  Chu, Hai-liang2;  Qiu, Shu-jun2;  Xiang, Cui-li2;  Zhou, Huai-ying2
通讯作者: ZhongCao
关键词: CaCl2 center dot 6H(2)O ;  Expanded graphite ;  Phase change material ;  Thermal properties
刊名: JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
发表日期: 2014
DOI: 10.1007/s10973-013-3311-0
卷: 115, 期:1, 页:111-117
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: In this study, CaCl2 center dot 6H(2)O/expanded graphite (EG) composite was prepared as a novel form-stable composite phase change material (PCM) through vacuum impregnation method. CaCl2 center dot 6H(2)O used as the PCM was dispersed by surfactant and then, was absorbed into the porous structure of the EG. The surfactant was used to enhance the bonding energy between CaCl2 center dot 6H(2)O and EG, which fulfilled the composites with good sealing performance and limited the leakage of the inside CaCl2 center dot 6H(2)O. Differential scanning calorimetry and thermal gravimetric analysis show that all the composite PCMs possess good thermal energy storage behavior and thermal stability. Thermal conductivity measurement displays that the conductivities of the samples have been significantly improved due to the highly thermal conductive EG. The thermal conductivity of the sample including 50 mass% CaCl2 center dot 6H(2)O (8.796 W m(-1) K-1) is 14 times as that of pure CaCl2 center dot 6H(2)O (0.596 W m(-1) K-1). Therefore, the obtained composite PCMs are promising for thermal energy storage applications.
关键词[WOS]: CONDUCTIVITY ;  PCM ;  SYSTEMS ;  PERLITE
语种: 英语
WOS记录号: WOS:000329621100012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143859
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.Changsha Univ Sci & Technol, Sch Chem & Biol Engn, Changsha 410004, Hunan, Peoples R China
2.Guilin Univ Elect Technol, Dept Mat Sci & Engn, Guilin 541004, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Duan, Zhi-jun,Zhang, Huan-zhi,Sun, Li-xian,et al. CaCl2 center dot 6H(2)O/Expanded graphite composite as form-stable phase change materials for thermal energy storage[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2014,115(1):111-117.
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