On-board state of health estimation of LiFePO4 battery pack through differential voltage analysis
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- 作者：Limei Wanga ; wanglimei@mail.ujs.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Chaofeng Pana ; Liang Liua ; Yong Chengb ; Xiuliang Zhaob
- 关键词：State of health ; On-board estimation ; Differential voltage analysis ; LiFePO4 battery ; Electric vehicle
- 刊名：Applied Energy
- 出版年：2016
- 出版时间：15 April 2016
- 年：2016
- 卷：168
- 期：Complete
- 页码：465-472
- 全文大小：3022 K
文摘
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An on-board SOH monitoring algorithm is proposed by using partially data.
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Improved center least squares method is used to obtain the differential curves.
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Two inflection points location interval is used to represent battery SOH.
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First inflection point location can eliminate the charged capacity cumulative error.
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Establish a quantitative correlation between transformation parameter and battery SOH.