New Calcium Ion Conducting Solid Electrolyte with NASICON-type Structure

被引：13
|
作者：
Lee, Wonrak [1 ]
Tamura, Shinji [1 ]
Imanaka, Nobuhito [1 ]
机构：
[1] Osaka Univ, Fac Engn, Dept Appl Chem, 2-1 Yamadaoka, Suita, Osaka 5650871, Japan
来源：
CHEMISTRY LETTERS | 2017年 / 46卷 / 10期
基金：
日本学术振兴会;
关键词：
Solid electrolyte; Calcium ion; NASICON-type structure; SYSTEM;
D O I：
10.1246/cl.170634
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Divalent calcium ion conducting solid electrolyte with three-dimensional NASICON-type structure, (CaxHf1-x)(4/(4-2x))Nb(PO4)(3), was successfully developed by introducing Ca2+ cations into HfNb(PO4)(3) as mother solid. The existence of three kinds of high valence cation, Hf4+, Nb5+, and P5+, in the structure successfully realized the effective reduction of electrostatic interaction functioned to Ca2+ in the structure. The (Ca0.05Hf0.95)(4/3.9)Nb(PO4)(3) solid showed considerably higher Ca2+ cation conductivity and lower activation energy than those of previously reported NASICON-type Ca0.5Zr2(PO4)(3) solid.
引用
收藏
页码：1486 / 1489
页数：4
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