| 氧离子导体La_2Mo_(1.9)Sc_(0.1)O_9的合成及电性能研究 |
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| 引用本文： | 李亚东,刘进伟,王小稳,尹金玲,徐建红,马桂林.氧离子导体La_2Mo_(1.9)Sc_(0.1)O_9的合成及电性能研究[J].无机化学学报,2010,26(6):1066-1070. |
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| 作者姓名： | 李亚东 刘进伟 王小稳 尹金玲 徐建红 马桂林 |
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| 作者单位： | 苏州大学材料与化学化工学部,江苏省有机合成重点实验室,苏州,215123 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 采用固相法首次合成了氧离子导体La2Mo1.9Sc0.1O9陶瓷样品,进行了XRD、SEM表征,用交流阻抗谱、氧浓差电池等电化学方法研究了样品在450～850℃下的离子导电性。结果表明,该陶瓷样品具有立方相La2Mo2O9结构,掺杂5%的Sc3+能有效地抑制La2Mo2O9在大约580℃时的相变;在氧化性气氛中是纯的氧离子导体,而在还原性气氛中为氧离子与电子的混合导体,850℃时的氧离子电导率为0.04S·cm-1。
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| 关 键 词： | La2Mo2O9 La2Mo1.9Sc0.1O9 氧离子导体 氧浓差电池 电导率 |
Synthesis and Electrical Properties of Oxide-Ion Conductor La2Mo1.9Sc0.1O9 |
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| LI Ya-Dong,LIU Jin-Wei,WANG Xiao-Wen,YIN Jin-Lin,XU Jian-Hong and MA Gui-Lin.Synthesis and Electrical Properties of Oxide-Ion Conductor La2Mo1.9Sc0.1O9[J].Chinese Journal of Inorganic Chemistry,2010,26(6):1066-1070. |
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| Authors: | LI Ya-Dong LIU Jin-Wei WANG Xiao-Wen YIN Jin-Lin XU Jian-Hong and MA Gui-Lin |
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| Institution: | College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou, Jiangsu 215123,College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou, Jiangsu 215123,College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou, Jiangsu 215123,College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou, Jiangsu 215123,College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou, Jiangsu 215123 and College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou, Jiangsu 215123 |
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| Abstract: | |
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| Keywords: | La2Mo2O9 La2Mo1 9Sc0 1O9 oxide ionic conductor oxygen concentration cell conductivity |
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