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The effect of electrode parameters on performance of a phosphoric acid-doped PBI membrane fuel cell

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


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A study of the effect of electrode parameters in a phosphoric acid-doped polybenzimidazole (PBI) membrane fuel cell is reported. The influence of phosphoric acid and PBI content are described. High levels of PBI in the catalyst layer did not enhance electrode layer performance for both hydrogen oxidation or oxygen reduction. High levels of doping with phosphoric acid in the anode catalyst layer were beneficial to fuel cell performance. Anode polarisation data confirmed that PBI fuel cells could operate at 175 C with carbon monoxide contents in the feed gas of 10% in volume. There was an optimum amount of acid doping that gave good performance for oxygen reduction in the cathode layer. The effect of a perfluorinated surfactant improved the oxygen reduction behaviour in the catalyst layer. The carbon in catalyst support and it's interaction with the electrolyte have a large influence on cell performance. (C) 2009 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Mamlouk M, Scott K

Publication type: Article

Publication status: Published

Journal: International Journal of Hydrogen Energy

Year: 2010

Volume: 35

Issue: 2

Pages: 784-793

Print publication date: 01/01/2010

ISSN (print): 0360-3199

ISSN (electronic): 1879-3487

Publisher: Pergamon


DOI: 10.1016/j.ijhydene.2009.11.027


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