Ca/sub 9/Co/sub 12/O/sub 28/的化学合成及热电动力

Proceedings ICT2001. 20 International Conference on Thermoelectrics (Cat. No.01TH8589) Pub Date : 2001-06-08 DOI:10.1109/ICT.2001.979868

Shengli Chen, J. An, K. Cai, C. Nan

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引用次数: 0

摘要

采用溶胶-凝胶法制备了纳米Ca/sub 9/Co/sub 12/O/sub 28/粉体。用x射线衍射对相组成进行了表征。采用纳米级粉末烧结法制备了Ca/sub 9/Co/sub 12/O/sub 28/的多晶样品。在573K ~ 1073K范围内测量了样品的塞贝克系数和电导率。塞贝克系数随温度升高而增大。

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Chemical synthesis of Ca/sub 9/Co/sub 12/O/sub 28/ and thermoelectric power

The nanosized Ca/sub 9/Co/sub 12/O/sub 28/ powder was synthesized via a sol-gel process. The phase composition was characterized by means of X-ray diffraction. Polycrystalline samples of Ca/sub 9/Co/sub 12/O/sub 28/ were prepared by a sintering procedure of nanosized power. The Seebeck coefficient and electrical conductivity of the samples were measured from 573K up to 1073K. The Seebeck coefficient increases with increasing temperature.

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Proceedings ICT2001. 20 International Conference on Thermoelectrics (Cat. No.01TH8589)

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