Linear analysis of the free-convective stability of a binary electrolyte solution in an electrochemical cell with horizontal electrodes

被引：1

作者：

Volgin V.M. ^{[1
]}

Davydov A.D. ^{[2
]}

Zhukov A.V. ^{[3
]}

机构：

[1] Tula State University, Tula 300600

[2] A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow 119991

[3] SNIIP ASKUR, Moscow 123060

来源：

Journal of Engineering Physics and Thermophysics | 2010年 / 83卷 / 05期

关键词：

binary electrolyte; convective instability; electrochemical cell; free convection;

D O I：

10.1007/s10891-010-0419-y

中图分类号：

学科分类号：

摘要：

The influence of the electrode reaction kinetics on the critical Rayleigh number for a binary electrolyte solution situated between flat horizontal electrodes has been investigated. The equations of motion of an incompressible viscous fluid in the Boussinesq approximation and the material balance equations with the electrical neutrality condition have been used as a mathematical model. Analytical and numerical solutions of the linear stability problem have been obtained. The influence of the kinetic parameters of the electrode reaction (exchange current density, transport number of cations) and the transport properties of the solution on the critical value of the Rayleigh number has been investigated. © 2010 Springer Science+Business Media, Inc.

引用

页码：950 / 966

页数：16

共 17 条

[1] Vibrational convective instability of a binary electrolyte layer between plane horizontal electrodes
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[2] Monotonic and oscillatory free-convective instability of solution in the space between two plane horizontal electrodes: Solutions containing three types of ions
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[3] Convective instability of a zinc sulfate solution in a cell with horizontal plane-parallel electrodes
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[6] Numerical simulation of natural convection of electrolyte solution with three types of ions in the electrochemical cell with vertical electrodes
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[10] Analysis of high temperature polymer electrolyte membrane fuel cell electrodes using electrochemical impedance spectroscopy
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