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卢佳垚等:钙钛矿型锂离子固体电解质Li2x-Sr1-xTi-Nb,O3的性能 ·1031· 体电解质,XRD显示当y≤0.70时,材料为立方钙 [12]Chen C H,Xie S,Sperling E,et al.Stable lithium-ion conducting 钛矿型结构.离子电导率随着掺杂含量的增加 perovskite lithium-strontium-tantalum-zirconium-oxide system. 先增后减小,Lio.35Sro.475Tio.3Nbo.7O3总的离子电导 Solid State lonics,2004,167(3-4):263 [13]Kong Y Z,Li Y,Lu J Y,et al.Conductivity and electrochemical 率最高为3.62×10Scm,电子电导率为2.55× stability of perovskite-structured lithium-strontium-niobium- 109Scm,活化能仅为0.29eV.以Lio.35Sro.475Tio.3 hafnium-oxide solid Li-ion conductors.J Mater Sci:Mater Nbo.O3为固态隔膜的LiFePO,/Li半电池的首次 Electron,.2017,28(12):8621 放电容量为103.5mAhg,并能稳定运行100圈 [14]Huang B.Xu BY,Li YT,et al.Li-ion conduction and stability of 以上. perovskite LissSrnHfuTaO3.ACS Appl Mater Interfaces, 20168(23):14552 参考文献 [15]Kong YZ,Li Y.Li J W.et al.Li ion conduction of perovskite [1]Takada K.Progress and prospective of solid-state lithium batteries. 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