Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 8, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4866256
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Funding
- UK EPSRC DTA award
- Royal Society
- EPSRC [EP/E03389X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E03389X/1] Funding Source: researchfish
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We used finite element analysis to model the flow of heat in multilayer capacitors (MLCs) that comprise good electrocaloric materials and high-thermal-conductivity electrodes. An ideal heat pump based on these MLCs could develop a sustained cooling power of 81.7 kW m(-2). This supersedes the 36 kW m(-2) predicted by a lumped thermal model [S. Kar-Narayan and N. D. Mathur, Appl. Phys. Lett. 95, 242903 (2009)]. We show that geometrical optimization increases predicted cooling power to 215 kW m(-2). (C) 2014 AIP Publishing LLC.
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