Modelling of a high-temperature polymer electrolyte membrane fuel cell integrated with a methanol steam reformer cell

P. Ribeirinha, M. Abdollahzadeh, J.M. Sousa, M. Boaventura and A. Mendes

Applied Energy, 2017, vol. 202, issue C, 6-19

Abstract: A 3-dimensional non-isothermal simulator comprising a high temperature polymer electrolyte membrane fuel cell (HT-PEMFC) and a methanol steam-reforming cell (MSR-C) was developed in Fluent (Ansys™). The simulator takes into account most of the significant physical processes, including the electrochemical reactions and carbon monoxide poisoning effect on the electro-catalytic activity of the FC; it also considers the methanol steam reforming (MSR), water gas shift (WGS) and methanol decomposition (MD) reactions in the MSR-C. The developed model for the integrated MSR-C/HT-PEMFC unit was simulated between 443K and 473K and validated with experimental results reported in the literature, showing always a very good agreement. The thermal sustainability of the MSR-C/HT-PEMFC unit was assessed, and the role of the thermal insulation and air intake (cathode) stoichiometry in the thermal equilibrium of the device were analysed. A novel integrated MSR-C/HT-PEM stack with ten cells was proposed and simulated, showing a performance above the reported in the literature for similar devices. The results indicated that the proposed stack operates at currents between 4.5A (0.1Acm−2) and 54A (1.2Acm−2) without any external heat source. To minimize the degradation of the components the stack should adapt the operating temperature to the current density.

Keywords: Modelling; CO poisoning; Methanol steam reforming; Integration; HT-PEMFC; Stack (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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DOI: 10.1016/j.apenergy.2017.05.120

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