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Optimization of thermoelectric properties of metal-oxide based polymer composites

Title data

Plochmann, Bastian ; Lang, Steffen ; Rüger, Reinhold ; Moos, Ralf:
Optimization of thermoelectric properties of metal-oxide based polymer composites.
In: Journal of Applied Polymer Science. Vol. 131 (2014) Issue 6 . - p. 40038.
ISSN 1097-4628
DOI: 10.1002/app.40038

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
No information03X3553

Project financing: Bundesministerium für Bildung und Forschung

Abstract in another language

Thermoelectric modules can be used for thermal energy harvesting. Common rigid thermoelectric stacks usually contain heavy metal alloys such as Bi2Te3. In order to substitute conventional materials and to reduce manufacturing costs, nontoxic, inexpensive and abundant materials using low-cost processes are first choice. This study deals with polymer composites consisting of a polysiloxane matrix filled with thermoelectric Sn0.85Sb0.15O2 particles in micrometer scale. Thin composite sheets have been prepared by doctor blade technique and the Seebeck coefficient, the electrical and thermal conductivity, and the porosity were measured. Platelet-type particles, consisting of Sn0.85Sb0.15O2-coated insulating mica substrate and globular Sn0.85Sb0.15O2 particles have been varied in size, coating thickness and were mixed with each other in different ratios. The filler content was varied in order to maximize the figure of merit, ZT, to 1.9×10^−5 ± (4×10^−6). Owing to their low raw material costs and the high degree of design freedom of polymer composites, one may use these materials in thermoelectric generators for remote low-power demanding applications

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Faculties
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
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: 01 Dec 2014 09:37
Last Modified: 15 Apr 2016 07:10
URI: https://eref.uni-bayreuth.de/id/eprint/3858