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Publishing Language: Chinese | Open Access

Power output characteristics of high-rate pulse-discharged lithium battery

Shaoguang JIAO1, Yingquan LIU2( ), Junyong LU2
Teaching and Research Support Center, Naval University of Engineering, Wuhan 430033, China
National Key Laboratory of Electromagnetic Energy, Naval University of Engineering, Wuhan 430033, China
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Abstract

Due to the existence of internal resistance and polarization, there will be a large voltage drop at the discharging moment of the lithium battery, especially the high-rate pulse-discharged lithium battery. The power characteristics of high-rate pulse-discharged lithium battery were studied, as well as the influence rules of temperature, state of charge and aging on battery power performance. The power characteristic curve of lithium battery was defined, a high-rate battery test plat-form was built, and experimental research was carried out from three impedance sensitive factors: temperature, state of charge and aging. The research methods and conclusions are of certain significance for the peak power evaluation and power curve prediction of lithium battery system.

Keywords

high-ratepulse-dischargedvoltage droppower characteristicsbattery aging
CLC number: TM912 Document code: A Article ID: 1001-2486(2023)06-150-07

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Journal of National University of Defense Technology
Volume 45 Issue 6,
December 2023
Pages 150-156
DOI: 10.11887/j.cn.202306017

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Cite this article:
JIAO S, LIU Y, LU J. Power output characteristics of high-rate pulse-discharged lithium battery. Journal of National University of Defense Technology, 2023, 45(6): 150-156. https://doi.org/10.11887/j.cn.202306017

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Received: 26 September 2021
Published: 01 December 2023
© 2023 Journal of National University of Defense Technology

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).