Structure and properties of (1-x)LiPO3-x SiO2 and 50Li2O-(50-x)P2O5-x SiO2 glass-forming systems

被引：12

作者：

Pershina, S. V. ^{[1
]}

Raskovalov, A. A. ^{[1
]}

Antonov, B. D. ^{[1
]}

Reznitskikh, O. G. ^{[1
]}

Vovkotrub, E. G. ^{[1
]}

Batalov, N. N. ^{[1
]}

Kadyrova, N. I. ^{[2
]}

机构：

[1] Russian Acad Sci, Inst High Temp Electrochem, Ural Branch, Ekaterinburg, Russia

[2] Russian Acad Sci, Inst Solid State Chem, Ural Branch, Ekaterinburg, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2016年 / 90卷 / 11期

关键词：

glassy electrolytes; lithium-ion conductivity; lithium-phosphate glasses; impedance spectroscopy; glass structure; SODIUM ULTRAPHOSPHATE GLASSES; RAPIDLY QUENCHED GLASSES; IONIC-CONDUCTIVITY; ALUMINOPHOSPHATE GLASSES; TRANSITION TEMPERATURE; BOROPHOSPHATE GLASSES; SILICATE-GLASSES; LITHIUM; FORMER; RAMAN;

D O I：

10.1134/S0036024416110200

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The dependence of the structure and properties of two series of glasses (100-x)LiPO3-x SiO2, x = 0-20 (series I) and 50Li(2)O-(50-x)P2O5-x SiO2, x = 0-10 (series II) were studied. The amorphous state of the composites was confirmed by XRD. In series II, a mixed glass-forming effect was revealed with a nonmonotonic increase of the glass transition temperature and electric conductivity. The structural features of the glasses were studied by Raman and IR spectroscopy. In the Raman spectra, vibrations of SiO4 groups with three and four oxygen bridging atoms were found; in the IR spectra, the intensities of the bands of the metaphosphate units decreased, while those of the P-O-Si bonds and pyrophosphate groups increased; in system II, the ion conductivity increased with x at room temperature by more than an order of magnitude and reached its maximum of 3.6 x 10(-8) S/cm at x = 5.

引用

页码：2194 / 2201

页数：8

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