Electric vehicles (EVs) are expected to play an important role in sustainable mobility thanks to the efficient energy utilization and zero-emission when in use. The battery has a great impact on the performance of electric vehicles, basically determining the driving range. As a consequence, the choice of the battery technology and its effective utilization is of paramount importance. Li-ion chemistry is very sensitive to overcharge and deep discharge, which may damage the battery, shortening its lifetime, and even causing hazardous situations. This requires the adoption of a proper Battery Management System (BMS) to maintain each cell of the battery within its safe and reliable operating range. In addition to the primary function of battery protection, a BMS should estimate the battery status in order to predict the actual amount of energy that can still be delivered to the load. This is quite a challenging task, as the performance of the battery in terms of usable capacity and internal resistance, varies over time. Another important function of a BMS is to extend the battery life by facing the charge unbalancing issue that may arise in series-connected cells. This reduces the usable capacity of the battery. Due to the strict voltage limits applying to Li-ion batteries, charge unbalancing cannot be self-recovered, but instead worsens with time. A BMS should thus implement a charge equalization technique to periodically restore the balanced condition. The purpose of this paper is to describe the main issues in the design and management of a battery for an electric vehicle. The paper covers aspects BMS requirements and architectures and techniques for charge equalization.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Management of large format liion batteries


    Beteiligte:


    Erscheinungsdatum :

    2015-08-01


    Format / Umfang :

    872824 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    FEM Analysis of LiIon Battery Nail Test

    Vyroubal, P. / Kazda, T. | TIBKAT | 2018



    Nanostructured Electrode Materials for High Rate, Large Format Lithium Ion Batteries

    Glomski, Brian / Xu, Charlie / Silkowski, Chris et al. | SAE Technical Papers | 2005


    Nanostructured electrolyte materials for high rate, large format lithium ion batteries

    Glomski,B. / Xu,C. / Miller,J. et al. | Kraftfahrwesen | 2005