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Thermal rectification in multilayer phase change material structures for energy storage applications [Elektronski vir]Swoboda, Timm ...Solid-state thermal control devices that present an asymmetric heat flow depend-ing on thermal bias directionality, referred to as thermal diodes, have recentlyreceived increased attention for energy ... management. The use of materials thatcan change phase is a common approach to design thermal diodes, but typicalsizes, moderate rectification ratios, and narrow thermal tunability limit their po-tential applications. In this work, we propose a multilayer thermal diode made ofa combination of phase change and invariant materials. This device presentsstate-of-the-art thermal rectification ratios up to 136% for a temperature rangebetween 300 K and 500 K. Importantly, this design allows to switch betweendistinct rectification states that can be modulated with temperature, achievingan additional degree of thermal control compared with single-rectification-statedevices. We analyze the relevance of our thermal diodes for retaining heat moreefficiently in thermal storage elements.Source: iScience [Elektronski vir]. - ISSN 2589-0042 (Vol. 24, iss. 8, 2021, str. 1-14)Type of material - e-articlePublish date - 2021Language - englishCOBISS.SI-ID - 72781059
Author
Swoboda, Timm |
Klinar, Katja, 1992- |
Abbasi, Shahzaib |
Brem, Gerrit |
Kitanovski, Andrej |
Muñoz Rojo, Miguel
Topics
energy engineering |
materials science |
energy materials |
thermal control device |
thermal diode |
heat storage |
gospodarjenje z energijo |
znanost o materialih |
energijski materiali |
toplotni kontrolni element |
toplotna dioda |
toplotni regulator |
shranjevanje toplote
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Swoboda, Timm | |
Klinar, Katja, 1992- | 50695 |
Abbasi, Shahzaib | |
Brem, Gerrit | |
Kitanovski, Andrej | 18580 |
Muñoz Rojo, Miguel |
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