Structural, thermal and electrical properties of Li2O-Al2O3-GeO2-P2O5 glasses

被引：15
|
作者：
Pershina, S., V [1 ]
机构：
[1] RAS, Ural Branch, Inst High Temp Electrochem, 20 Akad Skaya St, Ekaterinburg 620990, Russia
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2021年 / 871卷
关键词：
All-solid-state lithium-ion batteries; Solid electrolytes; Li2O-Al2O3-GeO2-P2O5; glasses; Crystallization kinetics; IR-spectroscopy; CRYSTALLIZATION KINETICS; IONIC-CONDUCTIVITY; NUCLEATION RATE; CRYSTAL-GROWTH; CERAMICS; LITHIUM; SYSTEM; BEHAVIOR; AL2O3;
D O I：
10.1016/j.jallcom.2021.159532
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：
Glassy electrolytes in Li2O-Al2O3-GeO2-P2O5 system with varying Al2O3 content have been obtained by melt quenching. Their thermal properties and crystallization kinetics were investigated by DSC at various scanning rates (3, 5, 10 and 15 degrees C/min). The phase composition of the samples was studied by XRD. The impact of Al2O3 addition on the Ec, molecular structure and transport properties of lithium germanophosphate glasses was investigated. The structure of the glasses was studied by IR spectroscopy. It was established the phosphate part of the glass structure undergoes modification. The conductivity of the undoped glass was found to be one order of magnitude lower compared to that of the Al-doped solid electrolytes. (C) 2021 Elsevier B.V. All rights reserved.
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页数：6
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