Effect of microstructure on the thermoelectric performance of La1−xSrxCoO3
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- 作者：Z. Viskadourakisa ; b ; ; G.I. Athanasopoulosb ; E. Kasotakisc ; J. Giapintzakisb ;
- 关键词：Seebeck coefficient enhancement ; Thermal conductivity reduction ; Thermoelectric performance enhancement ; Microstructure
- 刊名：Journal of Solid State Chemistry
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：243
- 期：Complete
- 页码：111-118
- 全文大小：2150 K
文摘
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Electrical and thermal transport properties are affected by the microstructure in La1−xSrxCoO3 polycrystalline materials.
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Coarse/fine grain size distribution enhances the Seebeck coefficient.
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Porosity reduces the thermal conductivity in La1−xSrxCoO3 polycrystalline samples.
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The combination of large/small grain ratio distribution with the high porosity may result to the enhancement of the thermoelectric performance of the material.