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Emmanuel Defay, Sam Crossley, Sohini Kar-Narayan, Xavier Moya and Neil D. Mathur The Electrocaloric Efficiency of Ceramic and Polymer Films Advanced Materials 25

Version of Record online: 10 MAY 2013 | DOI: 10.1002/adma.201300606

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Efficiency is defined as η = |Q|/|W| in order to investigate the electrical work |W| associated with electrocaloric heat |Q|. This materials parameter indicates that polymer films are slightly more energy efficient than ceramic films, and therefore both species of material remain candidates for future cooling applications.

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