| Synthesis, Structure and Ionic Conductivity of La2／3-x Li3x MoO4 |
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| 引用本文： | 蒋凯,王海霞,任引哲,郭崇峰,孟健,任玉芳,苏锵. Synthesis, Structure and Ionic Conductivity of La2／3-x Li3x MoO4[J]. 中国稀土学报(英文版), 2003, 21(4): 458-460 |
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| 作者姓名： | 蒋凯 王海霞 任引哲 郭崇峰 孟健 任玉芳 苏锵 |
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| 作者单位： | College of Chemistry & Environmental Science，College of Chemistry & Environmental Science，College of Chemistry & Environmental Science，College of Chemistry & Environmental Science，The Key Laboratory of Rare Earth Chemistry and Physics，The Key Laboratory of Rare Earth Chemistry and Physics，The Key Laboratory of Rare Earth Chemistry and Physics Henan Normal University，Xinxiang 453002，China，Henan Normal University，Xinxiang 453002，China，Henan Normal University，Xinxiang 453002，China，Department of Chemistry，Shanxi Normal University，Linfen 041004，China，Henan Normal University，Xinxiang 453002，China，Changchun Institute of Applied Chemistry，Chinese Academy of Sciences，Changchun 130022，China，Changchun Institute of Applied Chemistry，Chinese Academy of Sciences，Changchun 130022，China，Changchun Institute of Applied Chemistry，Chinese Academy of Sciences，Changchun 130022，China |
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| 基金项目： | ProjectsupportedbytheExcellentYouthScienceFoundationofHenanProvince(0012),theNaturalScienceFoundationofHenanProvince(004030300)andtheSpecialFundsfortheMajorStateBasicResearchProjects(GB19980 613 16) |
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| 摘 要： | AlargenumberofM0 .5A0 .5M′O4 (M :rareearthion ,Bi3+,Fe3+,Cr3+,etc .A :alkaliion ,Cu+,Ag+,etc .M′ :Mo ,W )withtetragonalscheelite typestructurehavegoodcatalyticproperties .Aslumines centsubstrates ,theyhaveexcellentsensitizationtolu minescenceofrareearthion .Manyresearchesontheirstructure ,catalytic ,magneticandluminescentproper tieshavebeenmadesince 196 0s[1～ 10 ] .Thegeneralformulaforcompoundswiththetetragonalscheelite typestructureisAM′O4 wherethecationM′istetrahe drallycoordinat…
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| 关 键 词： | 燃料电池 稀土 La2／3-xLi3xMoO4 结构 合成 离子电导率 |
Synthesis, Structure and Ionic Conductivity of La2/3-xLi3xMoO4 |
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| Jiang Kai ,Wang Haixia ,Ren Yinzhe ,,Guo Chongfeng ,Meng Jian ,Ren Yufang ,Su Qiang. Synthesis, Structure and Ionic Conductivity of La2/3-xLi3xMoO4[J]. Journal of Rare Earths, 2003, 21(4): 458-460 |
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| Authors: | Jiang Kai Wang Haixia Ren Yinzhe Guo Chongfeng Meng Jian Ren Yufang Su Qiang |
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| Affiliation: | Jiang Kai 1*,Wang Haixia 1,Ren Yinzhe 1,2,Guo Chongfeng 1,Meng Jian 3,Ren Yufang 3,Su Qiang 3 |
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| Abstract: | A series of compounds, La2/3-xLi3xMoO4, were first prepared. Their structures are tetragonal scheelites with the cationic defects. The cell parameters a, c and values of c/a decrease with the increasing of the substitution amount (3x) of lithium ion. Cationic vacancies are getting more as Li+ concentration is lower. The diffusion of lithium ion is predominant. The concentration of charge carriers increases with increasing the substitution amount (3x) of lithium ion, meanwhile, the concentration of cationic vacancies decreases. The conductivity approaches the best when the substitution amount (3x) of lithium ion is about 0.3. The conductivity of La0.567Li0.3MoO4 is 6.5×10-6 S*cm-1 at room temperature. |
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| Keywords: | inorganic material chemistry rare earth molybdate lithium ion conductor ionic conduction rare earths |
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