FAST LITHIUM CONDUCTING GLASS-CERAMICS IN THE LI2O-CAO-TIO2-AL2O3-P2O5 SYSTEM

被引：34

作者：

HOSONO, H

ABE, Y

机构：

[1] Department of Materials Science and Engineering, Nagoya Institute of Technology, Showa-ku, Nagoya, 466, Gokiso-cho

来源：

SOLID STATE IONICS | 1991年 / 44卷 / 3-4期

关键词：

D O I：

10.1016/0167-2738(91)90021-3

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：

Electrical conductivity was measured for the glasses and glass-ceramics with the composition (1+x)Li2O.6.6CaO.(4-2x)TiO2.xAl2O3.5.2P2O5 (mol ratio). High Li+-conducting glass-ceramics were obtained at around x = 0.4. The glass-ceramics are composed of LiTi2(PO4)3: Al, which is a fast Li+-conductor, and beta-Ca3(PO4)2 phases. The activation energy for the conduction was 29 kJ/mol, which is comparable to that in Li3N or LISICON. The conductivity at 300 K and 600 K is 5 x 10(-5) S/cm and 2 x 10(-2) S/cm, respectively, i.e. 5 to 7 orders of magnitude higher than those observed in the corresponding glasses.

引用

页码：293 / 297

页数：5

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