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Communication Dans Un Congrès Année : 2020

Electric and Thermal Model of Li-ion battery pack with cylindrical components

Résumé

In this paper, a Lithium-Ion battery pack is analyzed , modelled and simulated under the Comsol © , Software package. Two cooling methods are investigated in this paper : air-cooling approach and direct liquid cooling approach. This physical oriented model allows to understand the rationale behind the battery pack dynamics and choose an equivalent circuit model which can be used for the State Of Charge (SOC) estimation, the heat prediction and the battery thermal management and control. Index Terms-Li-ion, Thermal management system, air-cooling, direct liquid cooling, equivalent circuit model, heat prediction. I. INTRODUCTION The global need for clean and renewable power generation that can respond the best to the rising concerns of fuel consumption has encouraged the use of energy storage systems. The literature has presented different categories of batteries with different characteristics and capacities [1]-[3]. The high energy density and lightweight of Li-ion batteries have allowed them to domination the energy storage market, especially for automotive applications [4]. Safe operation of Li-ion batteries requires the management of its temperature evolution during charge and discharge. High temperatures can damage the energy storage system or even cause an explosion, while low temperatures can lead to irreversible damage to the battery [5]. Therefore, an optimal range of 15°C to 35°C should be maintained for proper operation of the Li-ion battery [6]. A thermal management system capable of dissipating the generated heat is of vital importance for Li-ion batteries. A proper cooling approach can help to manage the thermal behaviour of the cells, increase the safety and their life span. It assures an even temperature distribution inside the battery pack to avoid localized deterioration, and dissipates the generated heat to maintain the optimum range of temperature inside the battery pack [7]. A proper cooling method can increase safety and improve battery lifespan.
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Dates et versions

hal-02486435 , version 1 (21-02-2020)

Identifiants

  • HAL Id : hal-02486435 , version 1

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Khadija Saqli, Bouchareb Houda, Nacer K M'Sirdi, Aziz Naamane, Mohammed Oudghiri. Electric and Thermal Model of Li-ion battery pack with cylindrical components. REDEC'20 the International Conference on Renewable Energy for Developing Countries, Mar 2020, Marrakech, Morocco. ⟨hal-02486435⟩
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