Experimental investigation and thermodynamic modeling of an innovative molten salt for thermal energy storage (TES)
Li, X; Wu, S; Wang, Y; Xie, LD
2018
发表期刊APPLIED ENERGY
ISSN0306-2619
卷号212页码:516-526
文章类型期刊论文
摘要A novel computational thermodynamic approach based on thermodynamic principles was applied to design and develop innovative molten salt mixtures for thermal energy storage. In this work, the eutectic composition of the NaCl-NaF-Na2CO3 ternary system was predicted based on experimental data via computational thermodynamic approach. Substitutional solution model (SSM) was used to describe the Gibbs energies for all liquid phases. Thus, a set of self-consistent thermodynamic model parameters was obtained for three subsystems and the parameters were used to predict the eutectic composition of the NaF-NaCl-Na2CO3 ternary system. Results manifested that the predicted eutectic point of the ternary system were located at T = 849 K and X-NaF = 21.66 mol%, X-Nacl = 41.87 mol% and X-Na2CO3 = 36.47 mol%. By means of Differential Scanning Calorimetry method, the predicted results were verified experimentally and the agreement between the measured and predicted values was satisfactory. Thermal-physical properties for eutectic salt mixtures, such as enthalpies of fusion, heat capacity, density and thermal stability, were also determined experimentally via thermal analysis methods in this work. Through computational thermodynamics approach, an innovative eutectic salt was designed and developed as thermal energy storage (TES) materials at high temperatures, especially it can be serve as candidate thermal energy storage materials for next generation concentrated solar power (CSP) plants.
关键词Waste Heat-recovery Co2 Brayton Cycles Ternary-systems Binary-systems Phase-diagram Iz Ftoridov Potassium Sodium Integration Carbonates
DOI10.1016/j.apenergy.2017.12.069
收录类别SCI
语种英语
WOS记录号WOS:000425200700039
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29011
专题中科院上海应用物理研究所2011-2018年
作者单位1.Li, X
2.Wu, S
3.Wang, Y
4.Xie, LD
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GB/T 7714
Li, X,Wu, S,Wang, Y,et al. Experimental investigation and thermodynamic modeling of an innovative molten salt for thermal energy storage (TES)[J]. APPLIED ENERGY,2018,212:516-526.
APA Li, X,Wu, S,Wang, Y,&Xie, LD.(2018).Experimental investigation and thermodynamic modeling of an innovative molten salt for thermal energy storage (TES).APPLIED ENERGY,212,516-526.
MLA Li, X,et al."Experimental investigation and thermodynamic modeling of an innovative molten salt for thermal energy storage (TES)".APPLIED ENERGY 212(2018):516-526.
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