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    An equivalent circuit model of li-ion battery based on electrochemical principles used in grid-connected energy storage applications

    Access Status
    Fulltext not available
    Authors
    Li, Y.
    Vilathgamuwa, D.
    Farrell, T.
    Choi, San Shing
    Tran, N.
    Date
    2017
    Type
    Conference Paper
    
    Metadata
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    Citation
    Li, Y. and Vilathgamuwa, D. and Farrell, T. and Choi, S.S. and Tran, N. 2017. An equivalent circuit model of li-ion battery based on electrochemical principles used in grid-connected energy storage applications, pp. 959-964.
    Source Title
    2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017
    DOI
    10.1109/IFEEC.2017.7992170
    ISBN
    9781509051571
    School
    School of Electrical Engineering, Computing and Mathematical Science (EECMS)
    URI
    http://hdl.handle.net/20.500.11937/62027
    Collection
    • Curtin Research Publications
    Abstract

    © 2017 IEEE. Based on basic electrochemical principles, an equivalent circuit model of a Li-ion battery is developed. The eventual aim of the work is to use such a model in the accurate control of power flow for a battery energy storage system (BESS) in grid-scale applications. The model developed here allows one to monitor the BESS internal states, by taking into consideration the internal dynamics of the battery including Li-ion concentration, overpotential and degradation. Comparison of the results obtained from the developed model with more established but computationally expensive models shows that the developed model performs well in terms of both external electrical characteristics and major internal chemical dynamics for the studies of grid-scale BESS.

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