Tetravalent Sn4+ Ion Conductor Based on NASICON-Type Phosphate

被引：5
|
作者：
Nunotani, Naoyoshi [1 ,2 ]
Ohsaka, Tatsuya [1 ]
Tamura, Shinji [1 ]
Imanaka, Nobuhito [1 ]
机构：
[1] Osaka Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan
[2] Japan Soc Promot Sci, Tokyo 1028472, Japan
来源：
ECS ELECTROCHEMISTRY LETTERS | 2012年 / 1卷 / 04期
关键词：
DISCOVERY; TRANSPORT; EXCHANGE;
D O I：
10.1149/2.002205eel
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A novel tetravalent tin (Sn4+) ion conducting solid electrolyte of the NASICON-type, Sn(Nb1-xWx)(5/(5+x))(PO4)(3), was developed. Although Sn4+ has been considered to be an inappropriate ion species for conduction in solids, due to the valence change between +2 and +4 and its high electronegativity, pure Sn4+ ionic conduction in a solid was successfully realized by introducing the higher valency W6+ ion into NASICON-type SnNb(PO4)(3) solids. Among the samples prepared, the highest Sn4+ ion conductivity was obtained for the Sn(Nb0.65W0.35)(5/5.35)(PO4)(3) solid. (c) 2012 The Electrochemical Society. All rights reserved.
引用
收藏
页码：A66 / A69
页数：4
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