Synthesis and ionic conductivity of Mg-doped Li2TIO3
Li2-2xMg2xTiO3+x(0 ≤ 2x ≤ 0.1) powder was synthesized by solid-state reaction. Phase analysis, microstructures and density of the ceramics were determined by XRD, SEM and Archimedes method. Impedance spectroscopy was measured to evaluate the electrical conduction properties of the ceramics. The experimental results showed that Mg entered into the lattice of Li2TiO3. Mg doping was beneficial to the improvement of the sintered density and grain growth of the Li2TiO3 pellets and resulted in the formation of vacancies, which were favorable to the improvement of ionic conductivity of the system. The lithium ion conductivity for Li1.9 Mg0.1 TiO3.05 reached as high as 1.07×10-3 Scm-1 at 600℃.
Lithium titanate Ionic conductivity Mg-doping Breeder materials
Xiangwei Wu Zhaoyin Wen Xiaogang Xu Jinduo Han
Shanghai Institute of Ceramics, Chinese Academy of Sciences, Graduate School, Chinese Academy of Sciences, 1295 Ding Xi Road, Shanghai 200050, PR China
国际会议
The 16th International Conference on Solid State Ionics(第十六届国际固态离子学会议)
上海
英文
1779-1782
2007-07-01（万方平台首次上网日期，不代表论文的发表时间）