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Sodium nitrate - Diatomite composite materials for thermal energy storage
Xu, Guizhi1; Leng, Guanghui2,3; Yang, Cenyu1; Qin, Yue4; Wu, Yuting5; Chen, Haisheng6; Cong, Lin2; Ding, Yulong2
2017-04-01
发表期刊SOLAR ENERGY
ISSN0038-092X
卷号146页码:494-502
摘要The work reported in paper concerns the use of diatomite to form-stabilise sodium nitrate, a phase change material (PCM) for medium temperature thermal energy storage applications. The composite was found to be able to retain up to 70% of the nitrate salt. X-ray diffraction (XRD) analyses suggested an excellent chemical compatibility between diatomite and the salt. Scanning electron microscope (SEM) analyses demonstrated an even distribution of the salt within the diatomite structure. Differential scanning calorimetry (DSC) measurements showed that melting temperature of the material was approximately 307.8 degrees C with a latent heat of 115.79 kJ/kg. Mechanical characterization of the composite material showed a compressive strength of the composite materials as high as 22.17 MPa. The composite materials were found to have a fairly low thermal conductivity of similar to 0.5 W/m K and an addition of graphite could give a substantial thermal conductivity enhancement (similar to 6-fold with an additional of 10 wt% graphite). (C) 2017 Elsevier Ltd. All rights reserved.
关键词Thermal Energy Storage Diatomite Phase Change Materials
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.solener.2017.03.003
收录类别SCI
语种英语
关键词[WOS]PHASE-CHANGE MATERIAL ; HEAT-CAPACITIES ; IMPREGNATION ; PLANT ; SIO2
WOS研究方向Energy & Fuels
WOS类目Energy & Fuels
项目资助者SGRI of China State Grid(SGRI-DL-71-14-011) ; UK EPSRC(EP/L014211/1 ; National Natural Science Foundation of China(21406243 ; EP/K002252/1 ; 51361135702) ; EP/L019469/1)
WOS记录号WOS:000400533000050
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22829
专题研究所(批量导入)
作者单位1.China State Grid, Global Energy Interconnect Res Inst, Beijing, Peoples R China
2.Univ Birmingham, Birmingham Ctr Energy Storage, Birmingham, W Midlands, England
3.Chinese Acad Sci, Inst Proc Engn, Beijing, Peoples R China
4.Civil Aviat Univ China, Tianjin, Peoples R China
5.Beijing Univ Technol, Beijing, Peoples R China
6.Chinese Acad Sci, Inst Engn Thermophys, Beijing, Peoples R China
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Xu, Guizhi,Leng, Guanghui,Yang, Cenyu,et al. Sodium nitrate - Diatomite composite materials for thermal energy storage[J]. SOLAR ENERGY,2017,146:494-502.
APA Xu, Guizhi.,Leng, Guanghui.,Yang, Cenyu.,Qin, Yue.,Wu, Yuting.,...&Ding, Yulong.(2017).Sodium nitrate - Diatomite composite materials for thermal energy storage.SOLAR ENERGY,146,494-502.
MLA Xu, Guizhi,et al."Sodium nitrate - Diatomite composite materials for thermal energy storage".SOLAR ENERGY 146(2017):494-502.
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