Thermodynamic Modeling of Hydrogen Storage Capacity in Mg-Na Alloys

Table 2

Enthalpy and entropy of formation of MgH₂.

(kJ/molH2)	(J/molH2·K)	Temperature range (K)	Reference
−77.3	−136.9	298	This work
−77.4 ± 4	−138 ± 3	549–623	[44]
−74.4	−135	587–849	[35]
−70	−126	573–673	[48]
−78.2	—	573–616	[47]
−78.31	−140.07	513–633	[46]
−79	—	575–629	[45]
−66.9	—	450	[43]
−70.7	−119	590	[38]
−76.2	—	574	[94]
−74.05 ± 1.3	—	683	[32]