High temperature thermoelectric properties of delafossite CuBO2

The 4th Joint International Conference on Information and Communication Technology, Electronic and Electrical Engineering (JICTEE) Pub Date : 2014-03-05 DOI:10.1109/JICTEE.2014.6804067

C. Ruttanapun, P. Jindajitawat, P. Buranasiri, W. Thowladda, W. Neeyakorn, Daengdesh Naenkieng, A. Harnwunggmoung, Anek Charoenphakdee, N. Boonyopakorn, C. Thanachayanont

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引用次数: 1

Abstract

CuBO₂ is prepared by a solid-state reaction method to investigate thermoelectric properties in high temperature. The XRD result confirms the CuBO₂ compound existing in this method. The Seebeck reveals the compound displays p-type thermoelectric material. The experimental results of electrical resistivity exhibited results of 0.004 S/cm to 0.038 S/cm with the temperature range of 650 to 830 K. The Seebeck value is in the range of 450 μV/K to 950 μV/K, and the thermal conductivity is in the range of 1.4 × 10^-5 to 5.3 × 10^-5 W/m-K² with the same temperature. The maximum PF and ZT is 5.3 × 10^-5 W/m-K² and 0.0016, respectively, at 960 K. This work demonstrates that the CuBO₂ delafossite-oxide compound displays the p-type thermoelectric materials.

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delafoite CuBO2的高温热电性质

采用固相反应法制备CuBO2，研究其高温下的热电性质。XRD结果证实了该方法中存在CuBO2化合物。塞贝克揭示了该化合物显示p型热电材料。电阻率实验结果为0.004 S/cm ~ 0.038 S/cm，温度范围为650 ~ 830 K。在相同温度下，Seebeck值为450 μV/K ~ 950 μV/K，导热系数为1.4 × 10-5 ~ 5.3 × 10-5 W/m-K2。在960 K时，最大PF和ZT分别为5.3 × 10-5 W/m-K2和0.0016。本工作证明了氧化CuBO2 delafosite化合物具有p型热电材料的特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The 4th Joint International Conference on Information and Communication Technology, Electronic and Electrical Engineering (JICTEE)

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