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Title: High-performance thermoelectric oxides: processing approaches and composition design
Author: Kovalevsky, Andrei
Constantinescu, Gabriel
Lopes, Diogo
Zakharchuk, Kiryl V.
Rasekh, Shahed
Yaremchenko, Aleksey A.
Ferreira, Nuno M.
Xie, Wenjie
Weidenkaff, Anke
Galatanu, Andrei
Aguirre, Myriam H.
Issue Date: Jun-2022
Abstract: Oxide materials represent a promising alternative to traditional thermoelectrics, by providing a possibility to operate at high temperatures, resulting in a higher Carnot efficiency. Although their conversion efficiency is considerably lower, their known structural and microstructural versatility can open new horizons for thermoelectric applications. This work reviews some representative cases of engineering the composition and microstructure of oxides towards high thermoelectric performance. The selected approaches will include laser processing, in-situ formed composites, defects tailoring and aluminothermy-boosted sintering, also taking into account the unique redox-tuning capabilities of oxides. Representative examples will include ceramic materials based on SrTiO3, ZnO, CaMnO3 and Ca3Co4O9.
Peer review: no
Appears in Collections:CICECO - Comunicações
I3N-FSCOSD - Comunicações

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