Time Evolution of Local Potentials during PEM Fuel Cell Operation with Dead-Ended Anode

Abstract : We present experimental results obtained with a 2D segmented cell with reference electrodes along the gas channels, used to record local anode and cathode potentials. Aging protocols consisting of repeated dead-end operation sequences were performed to assess the impact of hydrogen starvation on the local fuel cell performance. We observed strong local cathode potential excursion, as well as non-uniform ECSA losses and performance degradation along the cell area. The damage was more pronounced in the regions suffering the longest from fuel starvation: i.e. close to the exit of the anode compartment.
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ECS Transactions, Electrochemical Society, Inc., 2013, 58 (1), pp.1631-1642. 〈10.1149/05801.1631ecst〉
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https://hal.univ-lorraine.fr/hal-01431050
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Soumis le : mardi 10 janvier 2017 - 15:12:54
Dernière modification le : lundi 4 juin 2018 - 10:04:03

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Sofyane Abbou, Jérôme Dillet, Dusan Spernjak, Rangachary Mukundan, Joseph D. Fairweather, et al.. Time Evolution of Local Potentials during PEM Fuel Cell Operation with Dead-Ended Anode. ECS Transactions, Electrochemical Society, Inc., 2013, 58 (1), pp.1631-1642. 〈10.1149/05801.1631ecst〉. 〈hal-01431050〉

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