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Development of exacerbated load cycles as AST for PEMFC stacks and validation by in-situ and ex-situ characterizations

Abstract : Proton Exchange Membrane Fuel Cell (PEMFC) technologies are considered as a promising and clean energy supply for both transportation and stationary applications. State of art components present performance enabling integration of stacks in actual systems and vehicles. However, durability still needs to be improved as well as overall system cost still needs to be reduced to enable large scale competitive deployment. Assessment of components and stacks durability is thus essential from early stage of development until implementation into systems. To this end, the intention of the European project ID-FAST was to support the development of accelerated stress tests (AST) for automotive application to be validated first on single cells and then on specific stack designs. The methodology selected was to consider as a starting point the performance losses and degradation phenomena induced by ageing tests following a load profile and operating conditions representative of real drive cycles [1]. Next step was to define modified load cycles enabling to exacerbate the degradation and voltage losses induced, while keeping same mechanisms involved thus allowing to reach similar level of performance after a shorter ageing period and less cycles applied.
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https://hal-cea.archives-ouvertes.fr/cea-03727248
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Submitted on : Monday, August 1, 2022 - 2:28:22 PM
Last modification on : Wednesday, August 3, 2022 - 4:00:30 AM

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  • HAL Id : cea-03727248, version 1

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Sylvie Escribano, Fabrice Micoud, Laure Guetaz. Development of exacerbated load cycles as AST for PEMFC stacks and validation by in-situ and ex-situ characterizations. EHEC 2022 - European Hydrogen Energy Conference 2022, May 2022, Madrid, Spain. ⟨cea-03727248⟩

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