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Micro encapsulated & form-stable phase change materials for high temperature thermal energy storage
Leng, Guanghui1,2; Qiao, Geng3; Jiang, Zhu1; Xu, Guizhi4; Qin, Yue5; Chang, Chun6; Ding, Yulong1
2018-05-01
Source PublicationAPPLIED ENERGY
ISSN0306-2619
Volume217Pages:212-220
AbstractChloride molten salts are promising candidates for high temperature thermal storage applications, owing to their energy storage density and thermal stability. Nevertheless, the main disadvantage of them is their corrosive behaviour with metal containers, which narrows down the range of applications. Encapsulation is considered a favourable method to prevent the corrosion. In this work, composite thermal storage materials consist of a phase change material (PCM) and a encapsulation material are studied, where the PCM is a mixture of sodium and potassium eutectic salts and the encapsulation material is diatomite. The composite materials which consist of PCMs & encapsulation materials are fabricated using a micro encapsulation method which is a combination of mixing and sintering. After applying the aforementioned method, it is observed that the PCMs are distributed homogeneously in the composite materials. With the help of XRD, it is found that the compounds stay unchanged after the encapsulation process, which indicates that the materials are compatible to each other. In this study, the composite material containing 70 wt% PCM exhibits the most favourable thermal energy storage properties, stability and capsule integrity as it is shown that the latent heat of the aforementioned composite material is observed 179.3 J/g and no significant decline or salt leakage is found after hundreds of heating-cooling cycles.
KeywordThermal Energy Storage Micro Encapsulation Form-stable Composite Materials Phase Change Materials Diatomite
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.apenergy.2018.02.064
Indexed BySCI
Language英语
WOS KeywordHIGH-DENSITY POLYETHYLENE ; HEAT-STORAGE ; WASTE HEAT ; PERFORMANCE ; COMPOSITE ; DIATOMITE ; BEHAVIOR ; PCM ; TECHNOLOGIES ; CORROSION
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China(21406243 ; Global Energy Interconnection Research Institute Europe GmbH under Project: Establishment of research capability in thermal energy storage(SGRI-DL-71-16-017) ; Global Energy Interconnection Research Institute of China State Grid under Project: Establishment of research capability in thermal energy storage(SGRI-DL-71-16-017) ; UK EPSRC(EP/L014211/1 ; International Science and Technology Cooperation project(2015DFR50800) ; 51361135702) ; EP/K002252/1 ; EP/L019469/1)
WOS IDWOS:000430030400018
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24131
Collection研究所(批量导入)
Affiliation1.Univ Birmingham, Birmingham Ctr Cryogen Energy Storage, Birmingham, W Midlands, England
2.Chinese Acad Sci, Inst Proc Engn, Beijing, Peoples R China
3.Global Energy Interconnect Res Inst Europe GmbH, Berlin, Germany
4.China State Grid, Global Energy Interconnect Res Inst, Beijing, Peoples R China
5.Civil Aviat Univ China, Tianjin, Peoples R China
6.Chinese Acad Sci, Inst Elect Engn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Leng, Guanghui,Qiao, Geng,Jiang, Zhu,et al. Micro encapsulated & form-stable phase change materials for high temperature thermal energy storage[J]. APPLIED ENERGY,2018,217:212-220.
APA Leng, Guanghui.,Qiao, Geng.,Jiang, Zhu.,Xu, Guizhi.,Qin, Yue.,...&Ding, Yulong.(2018).Micro encapsulated & form-stable phase change materials for high temperature thermal energy storage.APPLIED ENERGY,217,212-220.
MLA Leng, Guanghui,et al."Micro encapsulated & form-stable phase change materials for high temperature thermal energy storage".APPLIED ENERGY 217(2018):212-220.
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