The growing demand for accurate performance simulations of high-power Li-ion traction batteries requires a fast and effective method. In this paper, an advanced estimation model is proposed to evaluate Li-ion traction battery performance in pure electric vehicle (PEV) applications. The estimation model, which combines road load simulation and lumped parameter analysis, can predict vehicle traction power requirements and entire battery performance parameters both for charge (regenerative braking or grid charging) and discharge (traction power) processes. The model is validated for a battery pack in a PEV operating over three representative driving cycles: (i) the new European driving cycle (NEDC), (ii) 60 km/h constant speed driving cycle, and (iii) 30 min maximum speed driving cycle. The results show that the combined performance model output corresponds well with measured data. Thus, this new proposed model can be used to validate battery pack performance during in-vehicle use with reasonable accuracy.


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    Titel :

    Advanced Performance Estimation Model for Lithium-Ion Power Battery Used in Pure Electric Vehicles


    Beteiligte:
    Li, Ling-Juan (Autor:in) / Liu, Ming-Ming (Autor:in) / Linna, J.R. (Autor:in) / Ye, Guo-Hua (Autor:in) / Liu, Xiao-Bing (Autor:in)


    Erscheinungsdatum :

    2014


    Format / Umfang :

    10 Seiten




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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