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Prise en compte des modes de vieillissement dans la modélisation des performances de batteries lithium-ion pour l’évaluation de leur durée de vie en usage automobile

Abstract : Lithium batteries are key solutions as power storage systems for several applications including portable devices, aviation, space, and electrified vehicles. Their success is principally due to their high power and energy density. Therefore, several researchers are attempting to develop more powerful, cheaper, longer-lived and more secure batteries. One drawback of lithium batteries is their durability: lithium batteries’ energy and power capability decrease over time. The degradation rate is sensitive to operating conditions. A crucial step towards the large-scale introduction of electrified vehicles in the market is to reduce the cost of their energy storage devices.The aim of this study is to develop a simulation tool at the pack level able to reproduce its electro-thermal-aging behavior overtime. Thanks to an accelerated aging tests and experimental approach the models are calibrated and coupled with a usage scenario simulator at the vehicle level. The behavior of the pack is thus studied under different conditions and simulations were compared and discussed. Strategies of usage and charging were then proposed and validated by simulation.
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Submitted on : Tuesday, August 29, 2017 - 4:45:06 PM
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  • HAL Id : tel-01578752, version 1

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Issam Baghdadi. Prise en compte des modes de vieillissement dans la modélisation des performances de batteries lithium-ion pour l’évaluation de leur durée de vie en usage automobile. Electronique. Université de Bordeaux, 2017. Français. ⟨NNT : 2017BORD0633⟩. ⟨tel-01578752⟩

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