Electrical and thermal modelling of PEMFCs for naval applications
Résumé
This paper presents a semi-empirical model of Proton Exchange Membrane Fuel Cell (PEMFC), combining electrical and thermal phenomena and system degradations. The originality of our approach is the link between activation and diffusion phenomena by using a semi-empirical equation to create a new fast and accurate PEMFC model. Then, a degradation model is defined and adapted to energy management needs. The aim of this design is to study fault tolerant multi stack Fuel Cell (FC) systems, to study their interactions with converters and to design optimal control and adaptative management rules. The degradation model is used to adapt management laws according to the state of health of each stack. This work also offers an exhaustive analysis of the existing models available in the literature including a set of models compatible with the needs of Modular Fuel Cells (MFC) studies.