Please use this identifier to cite or link to this item: https://hdl.handle.net/10216/103387
Author(s): P. Ribeirinha
I. Alves
F. Vidal Vazquez
G. Schuller
M. Boaventura
A. Mendes
Title: Heat integration of methanol steam reformer with a high-temperature polymeric electrolyte membrane fuel cell
Issue Date: 2017
Abstract: A fuel cell is an exothermic device that wastes ca. 50% of the input chemical energy while methanolsteam-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 acombined stack arrangement allows the thermal integration of both reactors. A novel bipolar plate ofpoly(p-phenylene sulfide) (PPS) featuring the fuel cell flow field in one side and the reformer flow field inthe other was designed, built and assessed. For the first time are reported high current densities(>0.5 A cm2) with the integrated system running at 453 K. The system was also ran for more than100 h at 453 K, at 0.3 A cm2, with a methanol conversion of >90%. It was observed some degradation ofthe membrane electrode assembly (MEA) due to the continuous presence of methanol in the reformatestream. 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 cm2 dueto the poor thermal insulation of the combined reactor.
Subject: Engenharia química, Engenharia química
Chemical engineering, Chemical engineering
Scientific areas: Ciências da engenharia e tecnologias::Engenharia química
Engineering and technology::Chemical engineering
URI: https://hdl.handle.net/10216/103387
Related Information: info:eu-repo/grantAgreement/COMISSÃO EUROPEIA/7.º Programa-Quadro de IDT/303476/Integrated low temperature methanol steam reforming and high temperature polymer electrolyte membrane fuel cell/BeingEnergy
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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