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Application of the Thermal Quadrupole Method in the Characterization of Thermoelectric Modules

Published online by Cambridge University Press:  01 February 2011

Euripides Hatzikraniotis ,
Ioannis Samaras ,
Dimitra Georgakaki  and
Konstantinos M Paraskevopoulos
Euripides Hatzikraniotis
Affiliation:
evris@physics.auth.gr, Aristotle University of Thessaloniki, Physics, Section of Solid State Physics, University Campus, Thessaloniki, GR54124, Greece
Ioannis Samaras
Affiliation:
isamaras@auth.gr, Aristotle University of Thessaloniki, Dept. of Physics, Section of Solid State Physics, University Campus, Thessaloniki, GR 54124, Greece
Dimitra Georgakaki
Affiliation:
dimge@physics.auth.gr, Aristotle University of Thessaloniki, Dept. of Physics, Section of Solid State Physics, University Campus, Thessaloniki, GR 54124, Greece
Konstantinos M Paraskevopoulos
Affiliation:
kpar@auth.gr, Aristotle University of Thessaloniki, Dept. of Physics, Section of Solid State Physics, University Campus, Thessaloniki, GR 54124, Greece
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Abstract

Measurements of assembled thermoelectric (TE) modules commonly include investigations of the module output power versus load resistance. Using an AC electrical measurement for TE modules, a model of equivalent passive RC circuit has been developed and tested for both the thermal and electrical characteristics of the module. In this work we present and analyze data of a commercially available module, using equivalent passive RC circuit, to examine, explain and model the electro-thermal activity in the module. In addition data we analyzed by thermal quadrupole theory. Measurements were taken over the frequency range of 0,5mHz to 50 Hz and the device performance (ZT) was evaluated from measured data.

Keywords

thermoelectricityelectrical propertiessemiconducting
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1044: Symposium U – Thermoelectric Power Generation , 2007 , 1044-U09-14
Copyright
Copyright © Materials Research Society 2008

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