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|Title: ||Preparation and Transport Properties of Aqueous Sol-Gel Synthesized NaCo2O4|
|Authors: ||Liu, C. J.;Wu, T. W.;Liao, J. Y.;Cheng, Pi-Yun|
|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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