Perspective review demonstrates thermodynamic mechanisms of endothermic salt dissolution cycles, highlighting viable pathways for sustainable vapor-compression alternatives.
Key Points
To examine the thermodynamic mechanisms, key evaluation metrics, and regeneration methods of endothermic salt dissolution as an eco-friendly cooling alternative.
Analyzed the thermodynamic principles governing positive enthalpy changes and cooling-power density during salt dissolution.
Categorized emerging dissolution refrigeration cycles that use external fields for reversible salt regeneration.
Identified critical figures of merit for material selection and outlined future development trajectories for practical implementation.
Endothermic salt dissolution produces substantial temperature drops and high cooling-power densities without using harmful volatile refrigerants.