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| 題名: | Preparation and Transport Properties of Aqueous Sol-Gel Synthesized NaCo2O4 |
| 作者: | Liu, C. J.;Wu, T. W.;Liao, J. Y.;Cheng, Pi-Yun |
| 貢獻者: | 化學系 |
| 日期: | 2004
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| 上傳時間: | 2013-01-07T02:19:11Z
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| 出版者: | Kluwer Academic Publishers |
| 摘要: | 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. |
| 關聯: | Journal of Materials Science, 39(14): 4569-4573 |
| 顯示於類別: | [化學系] 期刊論文
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