Spark plasma texturing (SPT) of p-type [Ca<sub>2</sub>CoO<sub>3</sub>]<sub>0.62</sub>[CoO<sub>2</sub>] thermoelectric oxide

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Spark plasma texturing (SPT) of p-type [Ca₂CoO₃]_0.62[CoO₂] thermoelectric oxide

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作者：J.G. Noudem^a ; ^b ; ^{jacques.noudem@ensicaen.fr" class="auth_mail" title="E-mail the corresponding author} ; R. Retoux^a ; S. Lanfredi^c
关键词：P-type thermoelectric oxide material ; Calcium cobaltate ; Spark plasma sintering-Texturation ; Grain growth
刊名：Journal of Alloys and Compounds
出版年：2016
出版时间：15 August 2016
年：2016
卷：676
期：Complete
页码：499-504
全文大小：2001 K

文摘

•: This article deals with the new process referred to a Spark Plasma Texturing (SPT).
•: We successfully processed dense and textured bulk Ca₃Co₄O₉ by combining the SPT and hot-stacking.
•: The transport properties indicated an anisotropic resistivity up to 2.7 times compare to SPS process.
•: The power factor reached 450 μW/m/K², which is one of the highest values for bulk Ca₃Co₄O₉ reported.
•: The SPT could be a new way to prepare any lamellar structure of thermoelectric materials.

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