An accurate parameters extraction method for a novel on-board battery model considering electrochemical properties

作者: Yuejiu Zheng , Wenkai Gao , Xuebing Han , Minggao Ouyang , Languang Lu

DOI: 10.1016/J.EST.2019.04.019

关键词:

摘要: Accurate battery models are essential for the assessment of battery states and performance. Traditional equivalent circuit model (ECM), eg second-order RC model, cannot imitate non-linear characters of Lithium-ion battery especially in low state of charge (SOC) area. Considering the advantages of battery electrochemical and ECM, the paper proposes an electrochemistry-based equivalent circuit model (E-ECM). With only two parameters more than second-order RC model, E-ECM can simulate battery voltage response better. Next …

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