Influence of High Energy Planetary Milling on the Ionic Conductivity of CsHSO4

被引：7
|
作者：
Mbah, Jonathan [1 ,2 ]
Krakow, Burton [2 ]
Stefanakos, Elias [2 ,3 ]
Wolan, John [1 ,2 ]
机构：
[1] Univ S Florida, Dept Chem & Biomed Engn, Coll Engn, Tampa, FL 33617 USA
[2] Univ S Florida, Clean Energy Res Ctr, Coll Engn, Tampa, FL 33617 USA
[3] Univ S Florida, Dept Elect Engn, Coll Engn, Tampa, FL 33617 USA
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2009年 / 12卷 / 07期
关键词：
ball milling; caesium compounds; electrochemical impedance spectroscopy; electrolytes; hydrogen compounds; ionic conductivity; PHASE-TRANSITIONS; PROTON; CRYSTALS; CSDSO4;
D O I：
10.1149/1.3129131
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The high energy planetary milling process was applied successfully to improve the ionic conductivity of cesium hydrogen sulfate (CsHSO4). Electrochemical impedance spectroscopy measurements indicate that 3 h of mechanochemical pulverization by ballmilling quadrupled the ionic conductivity of CsHSO4. It was found via electrolytic splitting of (100%) hydrogen sulfide content feed gas at 150 degrees C that the exchange current density improved by over 70% using modified CsHSO4 when compared to the unmodified CsHSO4. As a result, mechanochemical pulverization shows good promise in minimizing activation barriers frequently encountered in an electrolytic synthesis that uses CsHSO4-based membranes.
引用
收藏
页码：E12 / E16
页数：5
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