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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15167

Title: Preparation and Transport Properties of Aqueous Sol-Gel Synthesized NaCo2O4
Authors: Liu, C. J.;Wu, T. W.;Liao, J. Y.;Cheng, Pi-Yun
Contributors: 化學系
Date: 2004
Issue Date: 2013-01-07T02:19:11Z
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: Journal of Materials Science, 39(14): 4569-4573
Appears in Collections:[化學系] 期刊論文

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