Synthesis and characterization of inorganic solid electrolytes of Li2O-SiO2-P2O5 and Li2O-TiO2-SiO2-P2O5 systems |
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| Authors: | W Li M Wang Z H Li X F Shang H Wang Y W Wang and Y B Xu |
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| Institution: | (1) Department of Physics, Zhejiang University, Hang Zhou, 310027, China;(2) Department of Mechanics, Zhejiang University, Hang Zhou, 310027, China;(3) Center of Analysis and Measurement, Zhejiang University, Hang Zhou, 310027, China |
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| Abstract: | The lithium-ion-conducting inorganic solid electrolytes in the oxide systems Li2O-SiO2-P2O5 and Li2O-TiO2-SiO2-P2O5 were prepared by the solid-state reaction, and the electrolyte pellet made by cold-pressing method had diameter of 13 mm
and was about 1 mm thick. Phase identification and surface morphology of the products were carried out by X-ray diffraction
and scanning electron microscopy. Ionic conductivity of the pellets was investigated through ac impedance. The results show
that the adding of other cations can improve the ionic conductivity of the solid electrolyte, and the sintering temperature
and duration can influence the ionic conductivity. The maximum ionic conductivity in the samples is 9.9 × 10−4 S/cm in the Li2O-TiO2-SiO2-P2O5 system.
Original Russian Text ? W. Li, M. Wang, Z.H. Li, X.F. Shang, H. Wang, Y.W. Wang, Y.B. Xu, 2007, published in Elektrokhimiya,
2007, Vol. 43, No. 11, pp. 1341–1345. |
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| Keywords: | т в е р д ы й э л е к т р о л и т с и с т е м а Li2O-TiO2-SiO2-P2O5 с и н т е э и о н н а я п р о в о д и м о с т ь |
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