Nonlinear frequency response analysis for the diagnosis of carbon monoxide poisoning in PEM fuel cell anodes

被引：31

作者：

Kadyk, Thomas ^{[1
,2
]}

Hanke-Rauschenbach, Richard ^{[1
]}

Sundmacher, Kai ^{[1
,2
]}

机构：

[1] Max Planck Inst Dynam Complex Tech Syst, D-39106 Magdeburg, Germany

[2] Otto VonGuericke Univ Magdegurg, D-39106 Magdeburg, Germany

来源：

JOURNAL OF APPLIED ELECTROCHEMISTRY | 2011年 / 41卷 / 09期

关键词：

Polymer electrolyte membrane fuel cell; Nonlinear frequency response analysis; Higher order frequency response function; Carbon monoxide; ELECTROCHEMICAL IMPEDANCE SPECTRA; HYDROGEN OXIDATION REACTION; POTENTIAL OSCILLATIONS; H-2/CO MIXTURES; REFORMATE FEED; CO TOLERANCE; ELECTRODE; KINETICS; MODEL; OXIDE;

D O I：

10.1007/s10800-011-0298-8

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Anodic CO poisoning of a PEMFC was analysed by nonlinear frequency response analysis (NFRA) in a differential H-2/H-2 cell. This special experimental setup excluded potential masking effects, emphasised the main mechanism of CO poisoning and made a simplified modelling approach possible. The main features of CO poisoning were investigated by means of steady state polarisation, EIS and NFRA. The main characteristics of CO poisoning in the NFRA spectra can be used as a "fingerprint" for diagnostic purposes.

引用

页码：1021 / 1032

页数：12

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