Ionic conductive GeS2-Ga2S3-Li2S-LiI glass powders prepared by mechanical synthesis
Ionic conductive GeS2-Ga2S3-Li2S-LiI glass powders prepared by mechanical synthesis
复制标题
机械合成制备离子导电GeS2-Ga2S3-Li2S-LiI玻璃粉
DOI：
10.1016/j.jallcom.2017.12.356
复制
发表时间：
2018-04-05
影响因子：
6.2
通讯作者：
Ma, Hongli
中科院分区：
文献类型：
--
作者：
Fan, Bo;Fu, Huang;Ma, Hongli
机械合成是一种低成本的工业兼容技术，用于制造硫系玻璃。本文研究了GeS 2-Ga 2S 3-Li 2S-LiI离子导电玻璃粉末的机械球磨法合成。结构，玻璃形成能力，和离子导电性进行了比较，报告GeS 2-Ga 2S 3-Li 2S-LiI玻璃制备的熔融淬火过程。通过拉曼光谱揭示了这两种技术制备的玻璃网络的相似性。对于电导率，通过简单地将研磨的玻璃粉末冷压成颗粒，可以获得约为块体玻璃电导率的1/3-1/2。在富锂样品中观察到明显的“室温烧结”，这在冷压球团中实现高离子电导率中起关键作用。(C)2018爱思唯尔B. V.保留所有权利。
Mechanical synthesis is a low-cost industrial-compatible technique to fabricate chalcogenide glasses. In this paper, the mechanical synthesis of the ionic conductive GeS2-Ga2S3-Li2S-LiI glass powders by ball milling is studied. The structure, glass-forming ability, and ionic conductivity are compared with the reported GeS2-Ga2S3-Li2S-LiI glasses prepared by the melt-quench process. The similarity of the glass network fabricated by these two techniques is revealed by Raman spectroscopy. As for the conductivity, about 1/3-1/2 of the conductivity of the bulk glass can be achieved by simply cold-pressing the as-milled glass powders into pellets. Evident "room-temperature sintering" is observed in the Li-rich samples, which plays a key role in achieving high ionic conductivity in the cold-pressed pellets. (C) 2018 Elsevier B.V. All rights reserved.