CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Experimental investigation and thermodynamic modeling of the LiNO3-RbNO3-AgNO3 system and its subsystems
Li, X; Xie, LD
2018
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume736Pages:124-135
Subtype期刊论文
AbstractComputational thermodynamics approach based on experimental values is applied to evaluation and optimization of the LiNO3-RbNO3-AgNO3 system and its subsystems in this work. The substitutional solution model (SSM) was used to describe all liquid phase. All the intermediate compounds were treated as stoichiometric of which Gibbs energies comply with the Neumann-Kopp rule. A set of self-consistent database with thermodynamic model parameters obtained for the LiNO3-RbNO3-AgNO3 subsystems and this database were used to predict thermodynamic properties of the LiNO3-RbNO3-AgNO3 ternary system. The calculated results were verified experimentally using differential scanning calorimetry (DSC) and X-ray diffraction (XRD) techniques, and the agreement between the experimental values and predicted values is satisfactory. The phase diagram of the LiNO3-RbNO3-AgNO3 ternary system contain two eutectic types: one eutectic (Liquid <-> alpha-AgNO3 + LiRb(NO3)(2) + AgRb(NO3)(2)) at 385.3 +/- 1.5 K and another eutectic (Liquid <-> LiRb(NO3)(2) + AgRb(NO3)(2) + AgRb2(NO3)(3)) at 398.8 +/- 1.5 K. Through computational thermodynamics approach, a multi-component system was successfully predicted and this approach will be applied to design and develop multi-component molten salt mixtures as thermal energy storage (TES) materials. (C) 2017 Elsevier B.V. All rights reserved.
KeywordPhase-diagram Energy-storage Binary-systems Nitrate Mixtures Ternary-system Fused Nitrates Enthalpies Rubidium Lithium
DOI10.1016/j.jallcom.2017.11.071
Indexed BySCI
Language英语
WOS IDWOS:000418519600018
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29012
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.Li, X
2.Xie, LD
Recommended Citation
GB/T 7714
Li, X,Xie, LD. Experimental investigation and thermodynamic modeling of the LiNO3-RbNO3-AgNO3 system and its subsystems[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,736:124-135.
APA Li, X,&Xie, LD.(2018).Experimental investigation and thermodynamic modeling of the LiNO3-RbNO3-AgNO3 system and its subsystems.JOURNAL OF ALLOYS AND COMPOUNDS,736,124-135.
MLA Li, X,et al."Experimental investigation and thermodynamic modeling of the LiNO3-RbNO3-AgNO3 system and its subsystems".JOURNAL OF ALLOYS AND COMPOUNDS 736(2018):124-135.
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