The increasing demand for mobility, limited energy resources, the need for emission reduction, and legislation have all initiated considerable research efforts into improving existing powertrains and to developing alternative systems. Among them, the electrical drive is regarded as an attractive potential solution, whereas the energy storage device is the essential and most critical component. Due to the increasing electrification of the powertrain, the battery determines to a great extent the vehicle cost, driving performance and energy efficiency and has a strong impact on new modes of operation such as regenerative braking and charging via smart grids. On the other hand, the particular application of batteries in vehicles results in requirements which exceed by far the specifications of stationary applications or consumer electronics. The optimum dimensioning of the battery implies a thorough understanding of the interdependencies between the battery and the vehicle design. Currently the number of potential powertrain configurations and electrical architectures is still very high, making it difficult to define technical standards, but these would be necessary to realize the expected scaling effects of battery volume production. On the other hand, the anticipated progress in battery technology may render some of the current technical constraints obsolete. In this paper, the specific automotive battery requirements are outlined with respect to the vehicle powertrain architecture and application as well as to the additional boundary conditions such as the charging process and the power consumption of auxiliary loads.


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    Titel :

    Automotive battery requirements in vehicles with electrical drives


    Beteiligte:
    Brabetz, L. (Autor:in) / Ayeb, M. (Autor:in) / Tellmann, D. (Autor:in)


    Erscheinungsdatum :

    2010


    Format / Umfang :

    7 Seiten, 6 Bilder, 1 Tabelle, 5 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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