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The influence of CO on the current density distribution of high temperature polymer electrolyte membrane fuel cells

Boaventura, Marta and Sander, Heinz and Friedrich, K. Andreas and Mendes, Adelio (2011) The influence of CO on the current density distribution of high temperature polymer electrolyte membrane fuel cells. Electrochimica Acta, 56, pp. 9467-9475. Elsevier. DOI: 10.1016/j.electacta.2011.08.039

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Abstract

In this work the poisoning effect of carbon monoxide (CO) on the performance of high temperature polymer electrolyte membrane (PEM) fuel cell is reported. The poisoning of the anode is assessed at 160 ◦C and 180 ◦C based on the transient behavior of the fuel cell potential and current density distribution. The current density distribution at similar cell potential and global current density is also critically compared for CO-free hydrogen feed and for CO-contaminated hydrogen feed. Furthermore, the current–cell potential (I–V) and power density curves and impedance spectra are obtained. The presence of CO causes a performance loss which is aggravated for higher CO concentrations and higher current densities and for lower temperatures. The transient behavior of the fuel cell potential and current density distribution show that the poisoning effect of carbon monoxide at the anode is very fast. The use of CO contaminated hydrogen at the anode yields an anisotropic distribution of carbon monoxide, which is accentuated for higher carbon monoxide concentrations and current densities.

Item URL in elib:https://elib.dlr.de/71411/
Document Type:Article
Title:The influence of CO on the current density distribution of high temperature polymer electrolyte membrane fuel cells
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Boaventura, MartaLaboratório de Engenharia de Processos, Ambiente e Energia (LEPAE),UNSPECIFIED
Sander, Heinzheinz.sander (at) dlr.deUNSPECIFIED
Friedrich, K. Andreasandreas.friedrich (at) dlr.deUNSPECIFIED
Mendes, Adeliomendes (at) fe.up.ptUNSPECIFIED
Date:September 2011
Journal or Publication Title:Electrochimica Acta
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:56
DOI :10.1016/j.electacta.2011.08.039
Page Range:pp. 9467-9475
Publisher:Elsevier
Status:Published
Keywords:high temperature polmer fuel cell, poisoning
HGF - Research field:Energy, Aeronautics, Space and Transport
HGF - Program:Efficient Energy Conversion (old), Transport
HGF - Program Themes:E EV - Energy process technology (old), Terrestrial Vehicles (old)
DLR - Research area:Energy, Transport
DLR - Program:E EV - Energy process technology, V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):E - Elektrochemische Prozesse (old), V - Fahrzeugenergiesysteme (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Electrochemical Energy Technology
Deposited By: Friedrich, Prof.Dr. Kaspar Andreas
Deposited On:08 Nov 2011 11:07
Last Modified:06 Sep 2019 15:16

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