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Design of a Thermoelectric Material Using the CALPHAD Technique: Thermodynamic Reassessment of the Al-Sb-Zn System
KTH, School of Architecture and the Built Environment (ABE), Urban Planning and Environment, Geoinformatics.
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2018 (English)In: Journal of Electronic Materials, ISSN 0361-5235, E-ISSN 1543-186X, Vol. 47, no 1, 261-271 p.Article in journal (Refereed) Published
Abstract [en]

The beta-Sb3Zn4 intermetallic compound, one of the most promising thermoelectric materials in the mid-1990s, has attracted much interest due to its high thermoelectric performance in the intermediate temperature range. To improve the thermoelectric properties of the compound beta-Sb3Zn4, Al doping is an effective method. Therefore, accurate theoretical analysis of the Al-Sb-Zn system is essential for the design of such thermoelectric materials. In this work, the Al-Sb-Zn system was reassessed by means of the calculation of phase diagram (CALPHAD) technique. A set of self-consistent thermodynamic parameters was obtained and can be used to extrapolate to related high-order systems. Some phase equilibria and thermochemical properties can be predicted using the present thermodynamic description.

Place, publisher, year, edition, pages
SPRINGER , 2018. Vol. 47, no 1, 261-271 p.
Keyword [en]
Thermoelectric materials, Al-Sb-Zn system, CALPHAD technique, phase equilibria, thermodynamic properties
National Category
Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:kth:diva-220817DOI: 10.1007/s11664-017-5757-5ISI: 000418580800030Scopus ID: 2-s2.0-85028893272OAI: oai:DiVA.org:kth-220817DiVA: diva2:1173084
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QC 20180111

Available from: 2018-01-11 Created: 2018-01-11 Last updated: 2018-01-11Bibliographically approved

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Wang, Wei

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