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Title: Failure analysis of Polymer Electrolyte Fuel Cells (PEFC)
Authors: Rama, Pratap
Chen, Rui
Andrews, J.D.
Issue Date: 2008
Publisher: © SAE International
Citation: RAMA, P., CHEN, R. and ANDREWS, J.D., 2008. Failure analysis of Polymer Electrolyte Fuel Cells (PEFC). IN: Proceedings of the SAE 2008, SAE World Congress, Detroit, Michigan, April 14-17.
Series/Report no.: SAE Technical Papers;2008-01-0634
Abstract: A qualitative FMEA study of Polymer Electrolyte Fuel Cell (PEFC) technology is established and presented in the current work through a literature survey of mechanisms that govern performance degradation and failure. The literature findings are translated into Fault Tree (FT) diagrams that depict how basic events can develop into performance degradation or failure in the context of the following top events; (1) activation losses; (2) mass transportation losses; (3) Ohmic losses; (4) efficiency losses and (5) catastrophic cell failure. Twenty-two identified faults and forty-seven frequent causes are translated into fifty-two basic events and a system of FTs with twenty-one reoccurring dominant mechanisms. The four most dominant mechanisms discussed that currently curtail sustained fuel cell performance relate to membrane durability, liquid water formation, flow-field design, and manufacturing practices.
Description: This is a conference paper [© SAE International]. The Proceedings of the SAE 2008, SAE World Congress are available from: http://www.elecpubs.sae.org/ This paper is posted on this site with permission from SAE International. As a user of this site, you are permitted to view this paper on-line, and print one copy of this paper at no cost for your use only. This paper may not be copied, distributed or forwarded to others for further use without permission from SAE.
Version: Published
URI: https://dspace.lboro.ac.uk/2134/4020
Publisher Link: http://dx.doi.org/10.4271/2008-01-0634
Appears in Collections:Conference Papers and Presentations (Aeronautical and Automotive Engineering)

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