锂离子电池SOH估算技术现状及发展趋势

2013 IEEE Vehicle Power and Propulsion Conference (VPPC) Pub Date : 2013-11-21 DOI:10.1109/VPPC.2013.6671719

Tiansi Wang, Chunbo Zhu, Lei Pei, Ren-gui Lu, Bingliang Xu

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引用次数: 9

摘要

锂离子电池健康状态评估是电池管理系统的核心技术，是保障系统安全可靠运行的基础。准确的SOH估计反映了在寿命结束前剩余的允许性能的当前比例。本文首先介绍了SOH的量化标准，并对解决SOH定义不一致的问题提出了一些建议。对电池老化现象进行了理论解释，分析了电池老化机理、老化过程中参数的变化以及加速老化的因素。其次，对几种主要的SOH估算方法进行了总结和比较。最后，介绍了SOH估计算法的发展趋势。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The State of Arts and Development Trend of SOH Estimation for Lithium-Ion Batteries

State of health (SOH) estimation for Lithium-ion batteries is a core technology of battery management systems, which is a foundation of ensuring system's safety and reliability. An accurate SOH estimation reflects the present fraction of allowable performance left before the end of life. In this paper, quantization standards of SOH are introduced firstly and some suggestions are proposed to solve the inconformity issue of SOH definitions. Then the battery aging phenomenon is interpreted theoretically, which contains the analyses of the aging mechanism, the changes of parameters during aging processes and the factors of accelerating aging. Next, some main methods of the SOH estimation are summarized and compared with each other. And finally, this paper describes the development trend of SOH estimation algorithm.

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2013 IEEE Vehicle Power and Propulsion Conference (VPPC)

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