混合动力汽车锂离子电池正极材料LiFePO4的动态等效电路模型

2009 IEEE Vehicle Power and Propulsion Conference Pub Date : 2009-10-20 DOI:10.1109/VPPC.2009.5289681

Chenglin Liao, Huiju Li, Lifang Wang

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引用次数: 38

摘要

锂离子电池正极材料LiFePO4以其优异的性能越来越受到混合动力汽车的关注。本文研究了电池在不同电流分布下的动态特性。提出了一种描述电池动态特性的动态等效电路模型。不同试验的仿真结果表明，所建立的动态等效电路模型能较准确地反映电池的输出特性。

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A dynamic equivalent circuit model of LiFePO4 cathode material for lithium ion batteries on hybrid electric vehicles

With excellent performance, LiFePO4 cathode material for lithium ion batteries attracts more and more attention on HEVs. In this paper, the dynamic characteristics of the batteries are investigated over different current profiles. A dynamic equivalent circuit model is proposed to describe the dynamic characteristics of the batteries. Simulation results over different tests show the dynamic equivalent circuit model can represent the output characteristic of the batteries accurately.

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2009 IEEE Vehicle Power and Propulsion Conference

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