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Preparation of LixCa1−xTiO3 solid electrolytes by the sol–gel method by Hualin Wang; Jihai Cheng; Linfeng Zhai; Jigui Cheng is a Physics and Astronomy article available to read on EtoBox.

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Solid electrolytes based on lithium doped CaTiO 3, Li x Ca 1-x TiO 3 (x = 0-0.5) were prepared by the sol-gel method in an ethanol and water mixture medium. Phase identification and morphology observation of the products were carried out by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The results show that the Li x Ca 1-x TiO 3 powders sintered above 700 • C are of cubic perovskite structure and the mean size of Li x Ca 1-x TiO 3 powders is about 80 nm. A study of ionic conductivity by AC impedance implies that the conductivity of Li x Ca 1-x TiO 3 increases with the increase of substituted Li + ions and reaches a maximum value of 4.53 × 10 -4 S cm -1 at x = 0.1, and then decreases for x > 0.1.

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Author

Hualin Wang; Jihai Cheng; Linfeng Zhai; Jigui Cheng

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0038-1098)

Published

2007

Language

EN

Field

Physics and Astronomy (Physical Sciences)