Effect of Li2O-Al2O3-GeO2-P2O5 glass crystallization on stability versus molten lithium

被引：23

作者：

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

Il'ina, E. A. ^{[1
]}

Druzhinin, K. V. ^{[1
,2
]}

Farlenkov, A. S. ^{[1
,2
]}

机构：

[1] RAS, Ural Branch, Inst High Temp Electrochem, 20 Akad Skaya St, Ekaterinburg 620990, Russia

[2] Ural Fed Univ, 19 Mira St, Ekaterinburg 620002, Russia

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2020年 / 527卷

基金：

俄罗斯科学基金会;

关键词：

All-solid-state lithium batteries; Glass; Glass-ceramics; Ionic conductivity; NASICON-type structure; LI-ION CONDUCTORS; CONDUCTIVITY; TEMPERATURE;

D O I：

10.1016/j.jnoncrysol.2019.119708

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Glass and glass-ceramic NASICON-type electrolytes of Li1.5Al0.5Ge1.5(PO4)(3) composition were obtained by melt quenching and glass crystallization, respectively. The stability of the solid electrolytes to molten metallic Li was studied by immersing the samples and holding them at 230 degrees C for 72 h. Li vertical bar glass vertical bar Li and Li vertical bar glass-ceramics vertical bar Li electrochemical cells were assembled and their resistance was measured by impedance spectroscopy at 200 degrees C for 9 days. It was established that, unlike the glass, the glass-ceramics did not change in its phase composition and molecular structure after the tests. It is shown that Li1.5Al0.5Ge1.5(PO4)(3) glass-ceramics is chemically stable in contact with metallic Li.

引用

页数：6

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