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Soutenance Oumaima Chaouachi

Publié le 3 mars 2021
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Soutenance 12 mars 2021

Mlle Oumaima CHAOUACHI soutiendra sa thèse intitulée "Up-scaling methodology for modelling of Li-ion batteries" le 12 Mars 2021 à 13H30.

Mlle Oumaima CHAOUACHI soutiendra sa thèse intitulée "Up-scaling methodology for modelling of Li-ion batteries" le 12 Mars 2021 à 13H30.  MINATEC, 3 Parvis Louis Néel, 38054 Grenoble - Chrome 1

Directeurs de Thèse : Yann BULTEL, Marion CHANDESRIS, Jean-Michel RETY

Abstract
Li-ion battery technology has a great success and is widely used in various portable technologies and for transport. However, giving the diversity of battery chemistry and the numerous aging phenomena, it remains critical for battery pack designers to resort to simulation of battery performance and aging in order to optimize the module design. Li-ion batteries are multiscale systems where modifications at microscopic length scales have a large impact on global cell characteristics. Mathematical models of these systems must therefore be able to link the global cell characteristics to the description of the physical phenomena at microscopic scales. The aim of the thesis is to develop an up-scaling methodology able to connect the microscopic multi-physic models to the simplified equivalent electrical circuit models used by battery module's designers. This up-scaling methodology will be implemented based on physical model at the electrode scale and validated with experimental measurements in the beginning of life of the battery and during its lifetime.
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mise à jour le 3 mars 2021

Université Grenoble Alpes