退役锂离子动力电池储能系统风冷热管理仿真
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(1.南方电网调峰调频发电有限公司,广东 广州 510000;2.中国南方电网有限责任公司,广东 广州 510063; 3.中国科学院广州能源研究所, 广东 广州 510640)

作者简介:

李勇琦(1979—),男,本科,教授级高工,研究方向为电力储能系统的调控与管理;E-mail: csgpgc-lyq@139.com 郑耀东(1964—),男,本科,教授级高工,研究方向为电力储能系统运行方式、技术经济管理;E-mail: zhengyd@ csg.cn 董 缇(1989—),男,通信作者,博士,助理研究员,研究方向为锂离子电池的电、热及安全性管理。E-mail: dongti@ms.giec.ac.cn

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基金项目:

国家重点研发计划课题(2018YFB0905300,2018YFB0905303);广东省新能源和可再生能源研究开发与应用重点实验室基金(Y909jh1)


Wind cooling heat management simulation of a retired lithium ion battery energy storage system
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(1. China Southern Power Grid Power Generation Co., Ltd., Guangzhou 510000, China; 2. China Southern Power Grid Co., Ltd., Guangzhou 510063, China; 3. Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China)

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    摘要:

    为研究退役动力电池储能再利用过程的热管理方法和运行方案,基于退役锂离子动力电池储能系统,设计了风冷热管理的方案和运行策略。建立了舱内退役电池簇的数学物理模型。仿真了不同风量下磷酸铁锂(LFP)电池簇和三元镍钴锰(NCM)电池簇的温度分布,对比分析了有无风冷热管理时电池簇的热行为。结果表明:风冷热管理能满足适宜退役动力电池正常工作时的温度范围;对于磷酸铁锂电池簇和镍钴锰电池簇,增加风冷系统后,簇内电池最大温差可由无风冷时的10 K降低至4 K左右,电池的最大温升由30 K降低至10 K左右。该研究可为退役动力电池储能系统的高效热管理提供借鉴。

    Abstract:

    A scheme and operational strategy of wind cooling thermal management are designed to investigate the thermal management method and operational scheme of the retired power battery energy storage and reuse process. This is based on a retired lithium-ion power battery energy storage system. The mathematical and physical model of the retired battery cluster in the cabin is established. The temperature distribution of the LFP battery and NCM battery clusters under different wind rates is simulated, and the thermal behavior of the battery cluster with and without wind cooling strategy is compared and analyzed. The results show that wind cooling thermal management can meet the temperature range suitable for the normal operation of retired power batteries. For LFP and NCM battery clusters, the maximum temperature difference of batteries in the cluster can be reduced from 10 K to 4 K under the condition of without air cooling and with air cooling respectively, and the maximum temperature rise of batteries can be reduced from 30 K to 10 K. This study can provide a reference for the efficient thermal management of retired power battery energy storage systems. This work is supported by the National Key Research and Development Program of China (No. 2018YFB0905300 and No. 2018YFB0905303) and Guangdong Key Laboratory of New and Renewable Energy Research and Development (No. Y909jh1).

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李勇琦,郑耀东,董 缇,等.退役锂离子动力电池储能系统风冷热管理仿真[J].电力系统保护与控制,2021,49(12):8-15.[LI Yongqi, ZHENG Yaodong, DONG Ti, et al. Wind cooling heat management simulation of a retired lithium ion battery energy storage system[J]. Power System Protection and Control,2021,V49(12):8-15]

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  • 收稿日期:2020-10-14
  • 最后修改日期:2021-01-23
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  • 在线发布日期: 2021-06-17
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