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

页码：E12 / E16

页数：5

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