Review

Caloric materials for cooling and heating

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Science  13 Nov 2020:
Vol. 370, Issue 6518, pp. 797-803
DOI: 10.1126/science.abb0973

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Abstract

Magnetically driven thermal changes in magnetocaloric materials have, for several decades, been exploited to pump heat near room temperature. By contrast, their electrocaloric and mechanocaloric counterparts have only been intensively studied and exploited for little more than a decade. These different caloric strands have recently been unified to yield a single field of research that could help combat climate change by generating better heat pumps for both cooling and heating. Here we outline the timeliness of the present activity and discuss recent advances in caloric measurements, materials, and prototypes.

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