Sol-gel preparation and characterization of Li1.3Al0.3Ti1.7(PO4)3 sintered with flux of LiBO2

被引：5
|
作者：
Wu Xianming [1 ]
Li Runxiu [1 ]
Chen Shang [1 ]
He Zeqiang [1 ]
Ma Mingyou [1 ]
机构：
[1] Jishou Univ, Coll Chem & Chem Engn, Jishou 416000, Peoples R China
来源：
RARE METALS | 2010年 / 29卷 / 05期
基金：
中国国家自然科学基金;
关键词：
phosphates; sol-gel process; sintering; ionic conductivity; electrochemical impedance spectroscopy; LITHIUM; CONDUCTIVITY; IMPEDANCE; NMR;
D O I：
10.1007/s12598-010-0159-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Li1.3Al0.3Ti1.7(PO4)(3) pellets sintered with different mole fractions of LiBO2 were prepared by sol-gel method. The structural identification, surface morphology, ionic conductivity, and activation energy of the pellets were studied by X-ray diffraction, scanning electron microscopy, and electrochemical impedance spectroscopy. The results show that all the Li1.3Al0.3Ti1.7(PO4)(3) pellets sintered with different mole fractions of LiBO2 have similar X-ray diffraction patterns. The sintered pellet becomes denser and the boundary and corner of the particles become illegible with the increase of LiBO2. Among the Li1.3Al0.3Ti1.7(PO3)(4) pellets sintered with different mole fractions of LiBO2, the one sintered with 1 mol% LiBO2 shows the highest ionic conductivity of 3.95x10(-4) S.cm(-1) and the lowest activation energy of 0.2469 eV.
引用
收藏
页码：515 / 518
页数：4
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