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Investigation of magnesium-copper eutectic alloys with high thermal conductivity as a new PCM for latent heat thermal energy storage at intermediate-high temperature

被引：20
|
作者：
El Karim, Yassine [1 ]
Grosu, Yaroslav [2 ]
Faik, Abdessamad [2 ]
Lbibb, Rachid [1 ]
机构：
[1] Sultan Moulay Slimane Univ, Fac Sci & Technol, Lab Sustainable Dev, Beni Mellal 523, Morocco
[2] CIC Energigune, Albert Einstein 48, Minano 01510, Alava, Spain
来源：
JOURNAL OF ENERGY STORAGE | 2019年 / 26卷
关键词：
Corrosion test; High thermal conductivity; Latent heat storage; Thermal energy storage; Thermophysical properties; PHASE-CHANGE MATERIALS; METAL;
D O I：
10.1016/j.est.2019.100974
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The aim of this paper is to explore Cu-Mg metallic alloys with high thermal conductivity as intermediate/high-temperature Phase Change Materials (PCMs) for latent heat storage at Concentrated Solar Power plants (CSP). Two binary eutectic alloys Mg84Cu16 and Mg59Cu41 (at.%) were investigated in terms of their structural, thermophysical and corrosion performance. In particular, homogeneity, eutectic composition, melting point, latent heat, specific heat, thermal diffusivity, thermal conductivity and density were investigated. Additionally corrosion tests were performed with common constriction materials like SS304 and SS316. The obtained results make magnesium-copper alloys one of the most promising materials for thermal energy storage application due to the highest thermal conductivity reported so far in 400-550 degrees C temperature range and their good thermal stability.
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页数：10
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