Study of the linearity of the voltage-current relationship in ion-exchange membranes using the network simulation method

被引：8

作者：

Moya, AA ^{[1
]}

Horno, J ^{[1
]}

机构：

[1] Univ Jaen, Fac Ciencias Expt, Dept Fis, Jaen 23071, Spain

来源：

JOURNAL OF MEMBRANE SCIENCE | 2004年 / 235卷 / 1-2期

关键词：

electrodiffusion processes; Nernst-Planck and Poisson equations; network simulation method; ion-exchange membranes; PSPICE modelling;

D O I：

10.1016/j.memsci.2004.02.002

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The conditions of linearity of the current-voltage relationship in ion-exchange membrane systems have been investigated using the network simulation method. A network model is proposed for the Nernst-Planck and Poisson equations describing the ionic transport through an ion-exchange membrane and the two diffusion boundary layers on both sides of the membrane. With this model and the electric circuit simulation program PSPICE(TM) , a decomposition into Fourier components of the electric current-time response, which follows the application of a sinusoidal-shaped electric potential, is obtained. The results reveal a considerable influence of the membrane fixed charge concentration on the amplitude of the different harmonics. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：123 / 129

页数：7

共 38 条

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