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Phase change behavior of latent heat storage media based on calcium chloride hexahydrate composites containing strontium chloride hexahydrate and oxidation expandable graphite
Li, Xiang1,2,3; Zhou, Yuan1,3; Nian, Hongen1,2,3; Ren, Xiufeng1,2,3; Dong, Ouyang1,3; Hai, Chunxi1,3; Shen, Yue1,3; Zeng, Jinbo1,3
2016-06-05
Source PublicationAPPLIED THERMAL ENGINEERING
Volume102Pages:38-44
SubtypeArticle
AbstractCalcium chloride hexahydrate (CaCl2 center dot 6H(2)O) composites PCMs containing strontium chloride hexahydrate (SrCl2 center dot 6H(2)O) and oxidation expandable graphite (EGO) were prepared and phase change behavior of CaCl2 center dot 6H(2)O/EGO/SrCl2 center dot 6H(2)O composite PCMs, including supercooling degree, phase change temperature, latent heat, density, thermal conductivity and thermal stability were systematically studied. Results demonstrate that thermal conductivity, heat transfer and the latent capacities of the CaCl2 center dot 6H(2)O/SrC12.6H20/EGO composite PCMs are significantly enhanced, supercooling of CaCl2 center dot 6H(2)O/SrCl2.6H(2)O/EGO composite PCMs are suppressed, mainly ascribe to that the EGO are homogenously dispersed in PCMs due to the existence of oxygen -containing functional groups in EGO, meanwhile, the well dispersed EGO serving as nuclei to promote the heterogeneous nucleation and crystallization process of CaCl2 center dot 6H(2)O. Moreover, a fifty -run -cycling test verifies that the CaCl2 center dot 6H(2)O/SrCl2.6H(2)O/EGO composites PCMs contained with 3 wt% SrCl2 center dot 6H(2)O, and 1.0 wt% EGO possesses enhanced thermal behavior with no phase segregation observed; the latent heat was calculated to be 172.26 Jig. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordPhase Change Material (Pcm) Oxidation Expandable Graphite (Ego) Cacl2 Center Dot 6h(2)O/srcl2 Center Dot 6h(2)O/ego Composites Phase Change Behavior
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS KeywordTHERMAL-ENERGY STORAGE ; SYSTEMS
Indexed BySCI
Language英语
WOS Research AreaThermodynamics ; Energy & Fuels ; Engineering ; Mechanics
WOS SubjectThermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
WOS IDWOS:000379270300005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6334
Collection青海盐湖研究所知识仓储
盐湖资源与化学实验室
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Key Lab Salt Lake Resources Chem Qinghai Prov, Xining 810008, Peoples R China
Recommended Citation
GB/T 7714
Li, Xiang,Zhou, Yuan,Nian, Hongen,et al. Phase change behavior of latent heat storage media based on calcium chloride hexahydrate composites containing strontium chloride hexahydrate and oxidation expandable graphite[J]. APPLIED THERMAL ENGINEERING,2016,102:38-44.
APA Li, Xiang.,Zhou, Yuan.,Nian, Hongen.,Ren, Xiufeng.,Dong, Ouyang.,...&Zeng, Jinbo.(2016).Phase change behavior of latent heat storage media based on calcium chloride hexahydrate composites containing strontium chloride hexahydrate and oxidation expandable graphite.APPLIED THERMAL ENGINEERING,102,38-44.
MLA Li, Xiang,et al."Phase change behavior of latent heat storage media based on calcium chloride hexahydrate composites containing strontium chloride hexahydrate and oxidation expandable graphite".APPLIED THERMAL ENGINEERING 102(2016):38-44.
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