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Bulk relaxor ferroelectric ceramics as a working body for an electrocaloric cooling device
ID Plaznik, Uroš (Author), ID Kitanovski, Andrej (Author), ID Rožič, Brigita (Author), ID Malič, Barbara (Author), ID Uršič Nemevšek, Hana (Author), ID Drnovšek, Silvo (Author), ID Cilenšek, Jena (Author), ID Vrabelj, Marko (Author), ID Poredoš, Alojz (Author), ID Kutnjak, Zdravko (Author)

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Abstract
The electrocaloric effect (ECE), i.e., the conversion of the electric into the thermal energy has recently become of great importance for development of a new generation of cooling technologies. Here, we explore utilization of [Pb(Mg1/3Nb2/3)O3]0.9[PbTiO3]0.1 (PMN-10PT) relaxor ceramics as active elements of the heat regenerator in an ECE cooling device. We show that the PMN-10PT relaxor ceramic exhibits a relatively large electrocaloric change of temperature TEC >1 K at room temperature. The experimental testing of the cooling device demonstrates the efficient regeneration and establishment of the temperature span between the hot and the cold sides of the regenerator, exceeding several times the TEC within a single PMN-10PT ceramic plate.

Language:English
Keywords:electrocaloric cooling devices, bulk relaxor ferroelectric ceramics, active electrocaloric regenerators
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Publication status:Published
Publication version:Author Accepted Manuscript
Year:2015
Number of pages:Str. 1-4
Numbering:Vol. 106, iss. 4, art. 043903
PID:20.500.12556/RUL-126298 This link opens in a new window
UDC:621.565(045)
ISSN on article:0003-6951
DOI:10.1063/1.4907258 This link opens in a new window
COBISS.SI-ID:13878299 This link opens in a new window
Publication date in RUL:15.04.2021
Views:1947
Downloads:409
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Record is a part of a journal

Title:Applied physics letters
Shortened title:Appl. phys. lett.
Publisher:American Institute of Physics
ISSN:0003-6951
COBISS.SI-ID:24984832 This link opens in a new window

Secondary language

Language:Slovenian
Keywords:aktivni elektrokalorični regeneratorji, elektrokalorična hladilne naprave, masivna relaksorska feroelektrična keramika

Projects

Funder:ARRS - Slovenian Research Agency
Project number:L2-6768
Name:Mikro-elektromehanski in elektrokalorični plastni elementi
Funder:ARRS - Slovenian Research Agency
Project number:P2-0105
Name:Elektronska keramika, nano-, 2D in 3D strukture
Funder:ARRS - Slovenian Research Agency
Project number:P1-0125
Name:Magnetna resonanca in dielektrična spektroskopija 'pametnih' novih materialov
Funder:ARRS - Slovenian Research Agency
Project number:J2-6779
Name:Novi elektrokalorični materiali za novo ekološko prijazno dielektrično tehnologijo hlajenja

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