Effect of cation-exchange layer thickness on electrochemical and transport characteristics of bipolar membranes

被引：34
|
作者：
Zabolotskii, Victor [1 ]
Sheldeshov, Nicolay [1 ]
Melnikov, Stanislav [1 ]
机构：
[1] Kuban State Univ, Krasnodar 350040, Russia
来源：
JOURNAL OF APPLIED ELECTROCHEMISTRY | 2013年 / 43卷 / 11期
基金：
俄罗斯基础研究基金会;
关键词：
Bipolar membrane; Current-voltage characteristic; Electrochemical impedance; Equivalent circuit; Warburg impedance; Gerisher impedance; Transport numbers; Water dissociation; WATER DISSOCIATION; SODIUM-HYDROXIDE; ION LEAKAGE; ACID; ELECTRODIALYSIS; GENERATION; SURFACE; SALT;
D O I：
10.1007/s10800-013-0560-3
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
To study the effect of cation-exchange layer thickness on the electrochemical and transport characteristics of bipolar membranes (BPM), asymmetric BPM with varied cation-exchange layer thickness (of 10, 30, 50 and 70 mu m) were investigated. High influence of BPM monopolar layers thickness on its selectivity had been shown. This fact is non-trivial in relation to monopolar ion-exchange membranes as their selectivity does not depend on their thickness. At the same time, increase or decrease in the thickness of BPM monopolar layers can increase products purity or, on the contrary, combine ion transport and pH shift functions.
引用
收藏
页码：1117 / 1129
页数：13
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