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Barocaloric cooling


Technology Description

Solid state cooling alternative to vapour compression technologies. Applying an external field (pressure field) under adiabatic conditions leads to temperature increase of the caloric material which correspond to a change of volume. On the contrary, when decreasing adiabatically the external fields, the temperature of the material decreases to lower values compared to the initial one. The barocaloric effect is coupled with other calorific effects manifesting in the same material (multicaloric effect).

Relevance for Net Zero

Many alternatives are less environmental friendly. Multicaloric materials could achieve a given result with 75% lower magnetic fields compared to magnetocaloric and 30% lower stress relative to solely the mechanocaloric effect. Similar cooling capacities of those of commercial refrigerants.

Key Countries

United Kingdom, Italy

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