Carbon monoxide poisoning and mitigation strategies for polymer electrolyte membrane fuel cells

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Carbon monoxide poisoning and mitigation strategies for polymer electrolyte membrane fuel cells – A review

Valdés-López, VF; Mason, T; Shearing, PR; Brett, DJL; (2020) Carbon monoxide poisoning and mitigation strategies for polymer electrolyte membrane fuel cells – A review. Progress in Energy and Combustion Science , 79 , Article 100842. 10.1016/j.pecs.2020.100842. Green open access

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Abstract

Polymer electrolyte membrane fuel cells (PEMFC) have received much attention due to their high power density, good start-stop capabilities and high gravimetric and volumetric power density compared with other fuel cells. However, certain technological challenges persist, which include the fact that conventional anode electrocatalysts are poisoned by low levels (few ppm) of carbon monoxide (CO). This review considers the mechanism of CO poisoning and the effects that it has on the PEMFC performance. The key parameters affecting CO poisoning are identified and methods used to mitigate the effects are discussed. These mitigation strategies are divided into three groups according to the means by which the technologies are applied: pre-treatment of reformate, on board removal of CO and in operando mitigation strategies.

Type:	Article
Title:	Carbon monoxide poisoning and mitigation strategies for polymer electrolyte membrane fuel cells – A review
Open access status:	An open access version is available from UCL Discovery
DOI:	10.1016/j.pecs.2020.100842
Publisher version:	https://doi.org/10.1016/j.pecs.2020.100842
Language:	English
Additional information:	This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords:	PEMFCCO poisoning, Mechanisms, Catalysts, Diagnostics, Hydrogen separation and purification, Mitigation strategies
UCL classification:	UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
URI:	https://discovery.ucl.ac.uk/id/eprint/10095657