Rubidium-conducting solid electrolytes in Rb2 − 2xFe2 − xVxO4 system

被引：0
|
作者：
E. I. Burmakin
E. I. Volegova
G. Sh. Shekhtman
机构：
[1] Russian Academy of Sciences,Institute of High
来源：
Russian Journal of Electrochemistry | 2010年 / 46卷
关键词：
solid electrolytes; rubidium cationic conductivity; rubidium monoferrite; V; additive;
D O I：
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学科分类号：
摘要：
New solid rubidium-conducting electrolytes based on rubidium monoferrite in the system of Rb2 − 2xFe2−xVxO4 are synthesized and studied. It is found that introduction of V5+ ions causes a drastic decrease in the electronic conductivity component prevalent in pure RbFeO2 with a simultaneous increase in the ionic conductivity. The latter becomes predominant at an increase in the concentration of vanadium. The optimum compositions of the studied electrolytes feature a very high cationic rubidium conductivity (∼1.8 × 10−2 S cm−1 at 200°C, more than 10−1 S cm−1 at 700°C). The results are compared with the data obtained earlier for similar systems based on RbGaO2 and RbAlO2.
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页码：1323 / 1327
页数：4
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