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The effect of electrode parameters on the performance of anion exchange polymer membrane fuel cells

Lookup NU author(s): Professor Mohamed MamloukORCiD, Emeritus Professor Keith Scott


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An investigation of several electrode parameters on performance of an alkaline membrane fuel cell is described. The studied parameters were: ionomer content, anode and cathode catalyst layer thickness, electrode aminating agent and membrane thickness. It was found that an optimum ionomer content depended on a balance between the OH- ion/water mobility and the oxygen solubility/diffusivity through it and which varied with temperature. Thick catalyst layers were necessary for the anode as thin anode catalyst layers suffered from flooding. 40%Pt/C provided the best thickness (with loading of 0.4 mg(pt) cm(-2)) for cathodes operating with air. An aminated low density poly(ethylene-co-vinyl benzyl chloride) (LDPE-VBC) membrane was shown to be a good membrane for an alkaline membrane fuel cell, giving conductivities up to 0.13 S cm(-1) at 80 degrees C. A Membrane Electrode Assembly (MEA) utilizing this membrane with fully hydrated thickness of 57 pm produced good peak power density, at a high potential of 500 mV, of 337 mW cm(-2) with air (1 bar gauge) at 60 degrees C. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Mamlouk M, Scott K, Horsfall JA, Williams C

Publication type: Article

Publication status: Published

Journal: International Journal of Hydrogen Energy

Year: 2011

Volume: 36

Issue: 12

Pages: 7191-7198

Print publication date: 06/05/2011

ISSN (print): 0360-3199

ISSN (electronic): 1879-3487

Publisher: Pergamon


DOI: 10.1016/j.ijhydene.2011.03.074


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