POTENTIAL AND CURRENT DISTRIBUTION IN POROUS-ELECTRODES UNDER CHARGE-TRANSFER KINETIC CONTROL

被引：19

作者：

BISANG, JM ^{[1
]}

JUTTNER, K ^{[1
]}

KREYSA, G ^{[1
]}

机构：

[1] DECHEMA EV,KARL WINNACKER INST,D-60061 FRANKFURT,GERMANY

来源：

ELECTROCHIMICA ACTA | 1994年 / 39卷 / 8-9期

关键词：

POROUS ELECTRODES; POTENTIAL DISTRIBUTION; CURRENT DISTRIBUTION; MODELING;

D O I：

10.1016/0013-4686(94)E0050-A

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A mathematical model to represent porous electrodes assuming that the electrochemical reaction has a Tafel kinetic control is proposed. Expressions are developed to analyse the performance of the electrode and the effect of the geometric parameters on the effectiveness is discussed. The theoretical results are compared with experimental data of the oxygen evolution on thick hydrous nickel oxide electrodes under the condition that the resistivity of the pore material is greater than that of the electrolyte solution, rho(m) much greater than rho(s) = 0.

引用

页码：1297 / 1302

页数：6

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