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Siva Dev, Rabin ; Mertin, Gerrit Karl ; Oldenburger, Marc ; Moos, Ralf ; Schmidt, Jan Philipp:
Mastering Microstructure : Better Characterisation of Electrode Porosity for Higher Accuracy of Physics-Based Cell Models.
2025
Veranstaltung: 15th International Advanced Automotive Battery Conference AABC Europe
, 23.-26.6.2025
, Mainz, Germany.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung
,
Poster
)
Abstract
Physics based cell models have gained great significance in recent times due to their ability to predict performance and the limiting processes within a cell under different conditions. However, their accuracy is crucially dependent on the quality of their parameterization. This research focuses on the microstructure parameters of a P2D model, especially the porosity, and critically examines how it can be determined. A novel method is suggested that is fast, cheap and easy. This method also opens the door to studying the microstructure of electrodes that are formed and aged.