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Elastocaloric cooling

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Technology Description

Solid state cooling alternative to vapour compression technologies. Applying an external field (mechanical stress) under adiabatic conditions leads to temperature increase of the caloric material which correspond to a change of pressure. On the contrary, when decreasing adiabatically the external fields, the temperature of the material decreases to lower values compared to the initial one. It exploits the properties of shape-memory alloys to absorb or release heat from its surroundings.

Relevance for Net Zero

Many alternatives are less environmental friendly, moderate costs and elevated energy density (over 100J/cm3), projected coefficient of performance (COP) of 6 in HVAC applications.

Key Countries

United States, Germany, Denmark

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