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Heat integration of methanol steam reformer with a high-temperature polymeric electrolyte membrane fuel cell

Ribeirinha, P. and Alves, I. and Vidal Vazquez, Francisco and Schuller, Gerhard and Boaventura, Marta and Mendes, Adelio (2017) Heat integration of methanol steam reformer with a high-temperature polymeric electrolyte membrane fuel cell. Energy, 120, pp. 468-477. Elsevier. DOI: 10.1016/j.energy.2016.11.101 ISSN 0360-5442

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A fuel cell is an exothermic device that wastes ca. 50% of the input chemical energy while Methanol steam-reforming (MSR) reaction is endothermic. The integration of a low temperature methanol steamreforming cell (MSR-C) with a high temperature polymer electrolyte membrane fuel cell (HT-PEMFC) in a combined stack arrangement allows the thermal integration of both reactors. A novel bipolar plate of poly(p-phenylene sulfide) (PPS) featuring the fuel cell flow field in one side and the reformer flow field in the other was designed, built and assessed. For the first time are reported high current densities (>0.5 A cm-2) with the integrated system running at 453 K. The system was also ran for more than 100 h at 453 K, at 0.3 A cm-2, with a methanol conversion of >90%. It was observed some degradation of the membrane electrode assembly (MEA) due to the continuous presence of methanol in the reformate stream. Electrochemical impedance spectroscopy (EIS) analyses revealed an overall increase of the resistances. The self-thermal sustainability of the combined device was only reached for >0.75 A cm-2 due to the poor thermal insulation of the combined reactor.

Item URL in elib:https://elib.dlr.de/117130/
Document Type:Article
Title:Heat integration of methanol steam reformer with a high-temperature polymeric electrolyte membrane fuel cell
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ribeirinha, P.Universidad do PortoUNSPECIFIED
Alves, I.Universidad do PortoUNSPECIFIED
Vidal Vazquez, FranciscoVTTUNSPECIFIED
Schuller, GerhardGerhard.Schuller (at) dlr.dehttps://orcid.org/0000-0002-8151-493X
Boaventura, MartaFaculdade de Engenharia da Universidade do PortoUNSPECIFIED
Mendes, AdelioFaculdade de Engenharia da Universidade do PortoUNSPECIFIED
Date:January 2017
Journal or Publication Title:Energy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.energy.2016.11.101
Page Range:pp. 468-477
Keywords:Methanol steam reforming HT-PEMFC Integration H2 production
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - NGC Fahrzeugkonzepte (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Electrochemical Energy Technology
Deposited By: Friedrich, Prof.Dr. Kaspar Andreas
Deposited On:21 Dec 2017 15:55
Last Modified:08 Mar 2018 18:21

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