Analytical Solutions for Polarization Curve and Impedance of the Cathode Catalyst Layer with Fast Oxygen Transport in a PEM Fuel Cell

被引：19

作者：

Kulikovsky, A. A. ^{[1
,2
]}

机构：

[1] Forschungszentrum Julich, Inst Energy & Climate Res, Electrochem Proc Engn IEK 3, D-52425 Julich, Germany

[2] Moscow MV Lomonosov State Univ, Ctr Res Comp, Moscow 119991, Russia

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2014年 / 161卷 / 08期

关键词：

GAS-DIFFUSION ELECTRODES; ELECTROCHEMICAL IMPEDANCE; MASS-TRANSPORT; TRANSIENT TECHNIQUES; POROUS-ELECTRODES; MODEL; SPECTROSCOPY; PERFORMANCE; LIMITATIONS; RESISTANCE;

D O I：

10.1149/2.020408jes

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

We report an exact solution to the system of equations for performance of the cathode catalyst layer (CCL) with fast oxygen transport in a PEM fuel cell. A simple equation for the CCL polarization curve is obtained. Steady-state profiles are used to obtain analytical expression for the CCL impedance. The impedance model is fitted to the experimental Nyquist curves and the CCL parameters resulted from fitting are discussed. (C) 2014 The Electrochemical Society. All rights reserved.

引用

页码：E3171 / E3179

页数：9

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