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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/14187

Title: Preparation and Transport Properties of Aqueous Sol-gel Synthesized NaCo2O4−δ
Authors: Liu, Chia-Jyi;Liao, J. Y.;Wu, T. W.;Cheng, B. Y.
Contributors: 物理學系
Date: 2004
Issue Date: 2012-09-10T06:14:15Z
Publisher: Kluwer Academic Publishers
Abstract: We have successfully prepared thermoelectric materials NaCo2O4−δ at lower temperature
(700◦C) using aqueous sol-gel methods. We find that the electrical resistivity and
thermopower of NaCo2O4−δ depend strongly on the sintering temperature and partial
pressure of oxygen. The oxygen content of NaCo2O4−δ is found to decrease with increasing
sintering temperature. The sample prepared at the combination of 700◦C and pure flowing
oxygen exhibits the highest value of power factor.
Relation: J. of Materials Science, 39(14): 4569-4573
Appears in Collections:[物理學系] 期刊論文

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