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首页> 外文期刊>Electrochimica Acta >Empirical Modeling of Lithium-ion Batteries Based on Electrochemical Impedance Spectroscopy Tests
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Empirical Modeling of Lithium-ion Batteries Based on Electrochemical Impedance Spectroscopy Tests

机译：基于电化学阻抗谱测试的锂离子电池经验建模

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An empirical model for commercial lithium-ion batteries is developed based on electrochemical impedance spectroscopy (EIS) tests. An equivalent circuit is established according to EIS test observations at various battery states of charge and temperatures. A Laplace transfer time based model is developed based on the circuit which can predict the battery operating output potential difference in battery electric and plug-in hybrid vehicles at various operating conditions. This model demonstrates up to 6% improvement compared to simple resistance and Thevenin models and is suitable for modeling and on-board controller purposes. Results also show that this model can be used to predict the battery internal resistance obtained from hybrid pulse power characterization (HPPC) tests to within 20 percent, making it suitable for low to medium fidelity powertrain design purposes. In total, this simple battery model can be employed as a real-time model in electrified vehicle battery management systems. (C) 2015 Elsevier Ltd. All rights reserved.
机译：基于电化学阻抗谱（EIS）测试，开发了商用锂离子电池的经验模型。根据EIS测试观察，在各种电池充电状态和温度下会建立等效电路。基于该电路开发了基于拉普拉斯转移时间的模型，该模型可以预测各种操作条件下电池电动和插电式混合动力汽车的电池运行输出电势差。与简单的电阻模型和戴维宁模型相比，该模型展示了多达6％的改进，适用于建模和车载控制器。结果还表明，该模型可用于预测通过混合脉冲功率表征（HPPC）测试获得的电池内阻在20％以内，使其适合于中低保真度动力总成设计目的。总体而言，这种简单的电池模型可以在电动车辆电池管理系统中用作实时模型。 （C）2015 Elsevier Ltd.保留所有权利。

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