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This paper investigates the effects of dead-ended anode (DEA) operation on the electrode carbon corrosion of the Proton Exchange Membrane (PEM) fuel cell. A reduced order isothermal model is developed focusing on the species concentration along the channel and associated membrane phase potential. This model explains, and can be used to quantify, the carbon corrosion behavior during DEA operation of a PEM fuel cell. The presence of oxygen in the anode channel, although normally less than 5% indoi:10.1149/1.3609770 fatcat:gppxmkk5czaj3cxkf6bwkk5rje