Characterization of NASICON-type Na solid electrolyte ceramics by impedance spectroscopy

被引：8

作者：

Kazakevicius, E. ^{[1
]}

Kezionis, A. ^{[1
]}

Zukauskaite, L. ^{[1
]}

Barre, M. ^{[2
]}

Salkus, T. ^{[1
]}

Orliukas, A. ^{[1
]}

机构：

[1] Vilnius Univ, Fac Phys, LT-10222 Vilnius, Lithuania

[2] IMMM, Dept Oxydes & Fluorures, UMR 6283, Le Mans, France

来源：

FUNCTIONAL MATERIALS LETTERS | 2014年 / 7卷 / 06期

关键词：

NASICON; solid electrolyte; ceramics; impedance spectroscopy; ELECTRICAL-PROPERTIES; NEUTRON-DIFFRACTION; IONIC-CONDUCTIVITY; LITHIUM; CONDUCTORS; AL; TRANSPORT; MOBILITY; PHASE; ZR;

D O I：

10.1142/S1793604714400025

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Na solid electrolytes are cheaper than the ones of Li and could be of interest to apply in secondary batteries and gas sensors. In the present work, the NASICON-type Na1.3Ti1.7Al0.3(PO4)(3) compound has been synthesized by Pechini method and the phase purity of the compound was confirmed by XRD. Ceramics of the compound were prepared in several different sintering temperatures and the morphology of the samples was examined by SEM. The investigation of the electrical properties was performed in 10 Hz to 3 . 10(9) Hz and 300-500 K frequency and temperature ranges by means of impedance spectroscopy. The impedance spectra were analyzed and observed dispersions were related to microstructure of the ceramics.

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页数：5

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