| 锂电池电化学阻抗谱分析 |
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| 引用本文： | 胡浪,乔俊叁.锂电池电化学阻抗谱分析[J].时代汽车,2021(5). |
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| 作者姓名： | 胡浪 乔俊叁 |
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| 作者单位： | 常德职业技术学院 |
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| 摘 要： | 当前电动汽车车载电池均采用到锂电池,其电化学阻抗谱(EIS,Electrochemical Impedance Spectroscopy)是目前一种相对新颖的电化学测量技术。EIS能够为电动汽车锂电池组的电化学系统施加一个频率不同、振幅偏小且交流正弦的电势波,对于测量交流电势与电流信号阻抗比值方面具有良效。文章中简单分析了锂离子电池的电化学阻抗谱相关理论基础内容,然后对锂电池中电池电极电化学的阻抗谱特征进行了深度分析。
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| 关 键 词： | 电化学阻抗 锂电池 理论基础 阻抗谱特征 |
Electrochemical Impedance Spectroscopy Analysis of Lithium Battery |
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| Authors: | Hu Lang Qiao Junsan |
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| Abstract: | At present,lithium batteries are used in electric vehicle batteries.Electrochemical Impedance Spectroscopy(EIS)is a relatively novel electrochemical measurement technology.EIS can apply a different frequency,small amplitude and alternating sine potential wave to the electrochemical system of the lithium battery pack of electric vehicles,which is effective for measuring the ratio of alternating current potential to the impedance of the current signal.The article briefly analyzes the relevant theoretical basic content of electrochemical impedance spectroscopy of lithium-ion batteries,and then conducts an in-depth analysis of the characteristics of electrochemical impedance spectroscopy of battery electrodes in lithium batteries. |
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| Keywords: | electrochemical impedance lithium battery theoretical basis impedance spectrum characteristics |
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