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Preparation of High Seebeck Coefficient Calcium Cobaltate Thermoelectric Powders

Published online by Cambridge University Press:  01 February 2011

Sidney Lin  and
Jiri Selig
Sidney Lin
Affiliation:
sidney.lin@lamar.edu, Lamar University, Dan F. Smith Department of Chemical Engineering, Beaumont, Texas, United States
Jiri Selig
Affiliation:
jiri.selig@me.com, Lamar University, Dan F. Smith Department of Chemical Engineering, Beaumont, Texas, United States
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Abstract

Thermoelectric calcium cobalt oxide (Ca1.24Co1.62O3.86) with high Seebeck coefficient was prepared by self-propagating high temperature synthesis (SHS) followed by a short post treatment process. Synthesized samples were analyzed by XRD for their phase purity for samples prepared from different reactants mixtures. A final element model of SHS of calcium cobalt oxide was developed to study the temperature history and reaction rate change during the synthesis. This model can be used to predict reaction temperatures for various initial conditions.

Keywords

thermoelectriccombustion synthesis (SHS)oxide
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1267: Symposium DD – Thermoelectric Materials 2010-Growth, Properties, Novel Characterization Methods and Applications , 2010 , 1267-DD11-07
Copyright
Copyright © Materials Research Society 2010

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