National Changhua University of Education Institutional Repository : Item 987654321/15167

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NCUEIR > College of Science > Department of Chemistry > Periodical Articles > Item 987654321/15167

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:	[Department of Chemistry] Periodical Articles

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