ABSTRACT

Lithium nitrate trihydrate is of interest as a thermal energy storage material, due to its large specific and volumetric enthalpy of fusion and its low melting temperature. Here, we report the thermophysical properties of solid and liquid lithium nitrate trihydrate at temperatures from (253 to 353) K and compare this compound to water and octadecane, two other potential thermal energy storage materials. Furthermore, we examine the lithium nitrate water phase diagram and accurately determine the enthalpies of fusion and melting temperatures for lithium nitrate trihydrate, ?Hfus = (287 +- 7) J*g 1 and Tfus = 303.3 K, and the lithium nitrate trihydrate lithium nitrate eutectic, ?Hfus = (264 +- 2) J*g 1 and Tfus = 301.4 K.

Compounds

#	Formula	Name
1	LiNO3	lithium nitrate
2	H2O	water

Datasets

The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type	Compound-#	Property	Variable	Constraint	Phase	Method	#Points
POMD	2 1	Eutectic temperature, K ; Crystal of intercomponent compound 1			Crystal of intercomponent compound 1 Crystal - 1 Liquid Air at 1 atmosphere	DTA	1
POMD	2 1	Solid-liquid equilibrium temperature, K ; Liquid	Mass fraction - 1; Liquid Pressure, kPa; Liquid		Liquid Crystal of intercomponent compound 1	DTA:corrimp	1
POMD	2 1	Molar enthalpy, kJ/mol ; Liquid	Mass fraction - 1; Liquid Pressure, kPa; Liquid		Liquid Crystal of intercomponent compound 1	Small sample (50 mg) DSC	1
POMD	2 1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Mass fraction - 1; Liquid Pressure, kPa; Liquid	Liquid	Vibrating tube method	10
POMD	2 1	Molar heat capacity at constant pressure, J/K/mol ; Crystal of intercomponent compound 1	Temperature, K; Crystal of intercomponent compound 1	Mass fraction - 1; Crystal of intercomponent compound 1 Pressure, kPa; Crystal of intercomponent compound 1	Crystal of intercomponent compound 1	Small sample (50 mg) DSC	5
POMD	2 1	Molar heat capacity at constant pressure, J/K/mol ; Liquid	Temperature, K; Liquid	Mass fraction - 1; Liquid Pressure, kPa; Liquid	Liquid	Small sample (50 mg) DSC	5
POMD	2 1	Thermal conductivity, W/m/K ; Liquid	Temperature, K; Liquid	Mass fraction - 1; Liquid Pressure, kPa; Liquid	Liquid	HOTW:elcondl	10
POMD	2 1	Molar heat capacity at constant pressure, J/K/mol ; Liquid	Temperature, K; Liquid	Mass fraction - 1; Liquid Pressure, kPa; Liquid	Liquid	hot wire method	10
POMD	2 1	Thermal conductivity, W/m/K ; Crystal of intercomponent compound 1	Temperature, K; Crystal of intercomponent compound 1	Mass fraction - 1; Crystal of intercomponent compound 1 Pressure, kPa; Crystal of intercomponent compound 1	Crystal of intercomponent compound 1	Hot disk method	6
POMD	2 1	Viscosity, Pa*s ; Liquid	Temperature, K; Liquid	Mass fraction - 1; Liquid Pressure, kPa; Liquid	Liquid	Capillary tube (Ostwald; Ubbelohde) method	10
POMD	2 1	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid	Mass fraction - 1; Liquid	Liquid Gas	Closed cell (Static) method	5
POMD	2 1	Vapor or sublimation pressure, kPa ; Crystal of intercomponent compound 1	Temperature, K; Crystal of intercomponent compound 1	Mass fraction - 1; Crystal of intercomponent compound 1	Crystal of intercomponent compound 1 Gas	Closed cell (Static) method	6

Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Thermophysical Properties of Lithium Nitrate Trihydrate from (253 to 353) K

Shamberger, P.[Patrick], Reid, T.[Timothy]

ABSTRACT