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Comparison of design concepts for ceramic oxide thermoelectric multilayer generators

Title data

Bresch, Sophie ; Moos, Ralf ; Stargardt, Patrick ; Mieller, Bjoern:
Comparison of design concepts for ceramic oxide thermoelectric multilayer generators.
2022
Event: 18th European Conference on Thermoelectrics, ECT'22 , 14.-16. Sept. 2022 , Barcelona, Spain.
(Conference item: Conference , Poster )

Abstract in another language

Multilayer thermoelectric generators are a promising perspective to the conventional pi-type generators. Ceramic multilayer technology is well established for production of microelectronics and piezo-stacks. Key features of ors is a subject of current research due to the advantages of this technology. One of the challenges is the compatibility of the different materials with respect to the specific design. The presented study compares three different designs of multilayer generators based on a given set of material properties. Dualleg, unileg and transverse multilayer generators are compared to conventional pi-type generators, the designs are evaluated regarding the expected maximum output power and power density using analytical calculations and FEM simulations. Additionally, the complexity of the production process and material requirements are assessed and design optimizations to simplify production are discussed. Besides the theoretical aspects, unileg multilayer generator prototypes were produced by tape-casting and pressure-assisted sintering. These prototypes are compared to other multilayer generators from literature regarding the power factors of the used material system and the power density. Improvements of the power output by design optimizations are discussed.

Further data

Item Type: Conference item (Poster)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 27 Sep 2022 08:07
Last Modified: 13 Oct 2022 06:33
URI: https://eref.uni-bayreuth.de/id/eprint/71979