A new trivalent cationic conducting solid electrolyte with NASICON-type structure

被引:24
作者
Tamura, S [1 ]
Imanaka, N [1 ]
Adachi, G [1 ]
机构
[1] Osaka Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan
基金
日本学术振兴会;
关键词
scandium; trivalent; ion conductor; NASICON; phosphate;
D O I
10.1016/S0167-2738(00)00552-X
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
A new trivalent cation conducting solid electrolyte with the NASICON-type structure, Sc1/3Zr2(PO4)(3), was synthesized by a sol-gel method and trivalent cation conducting properties were investigated. The trivalent ion conductivity of Sc1/3Zr2(PO4)(3) was comparable to those of the trivalent ion conducting tungstates with the Sc-2(WO4)(3)-type structure and its conductivity at 600 degreesC is 1.06x10(-4) S cm(-1), which is 2.5 times as high as that of Al-2(WO4)(3). The Sc3+ cation migration in Sc1/3Zr2(PO4)(3) was directly demonstrated by a de electrolysis. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:423 / 426
页数:4
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