电化学储能系统电池柜散热的影响因素分析*

doi:10.11985/2022.01.028

电气工程学报 ›› 2022, Vol. 17 ›› Issue (1): 225-233.doi: 10.11985/2022.01.028

• 新能源发电与电能存储 • 上一篇下一篇

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电化学储能系统电池柜散热的影响因素分析^*

王雅博¹(), 朱信霖¹(), 李雪强¹(), 刘圣春¹(), 李海龙²(), 熊瑞³()

1.天津商业大学机械工程学院天津 300134
2.梅拉达伦大学能源学院韦斯特罗斯 72123 瑞典
3.北京理工大学机械与车辆学院北京 100081

收稿日期:2021-11-01 修回日期:2022-01-20 出版日期:2022-03-25 发布日期:2022-04-06
通讯作者: 熊瑞 E-mail:wang_yabo@tjcu.edu.cn;xinlinzhu@126.com;xqli@tjcu.edu.cn;liushengchun@tjcu.edu.cn;hailong.li@mdh.se;rxiong@bit.edu.cn
作者简介:王雅博,女,1984年生,博士,副教授。主要研究方向为生物传热和电池热管理。E-mail： wang_yabo@tjcu.edu.cn;
朱信霖,男,1997年生,硕士。主要研究方向为电池热管理。E-mail： xinlinzhu@126.com;
李雪强,男,1989年生,博士,讲师。主要研究方向为强化换热。E-mail： xqli@tjcu.edu.cn;
刘圣春,男,1979年生,博士,教授。主要研究方向为制冷系统节能、自然工质替代技术和相变储能。E-mail： liushengchun@tjcu.edu.cn;
李海龙,男,1976年生,博士,教授。主要研究方向为低碳排放能源技术和二氧化碳捕集与存储。E-mail： hailong.li@mdh.se
基金资助:
*国家自然科学基金优秀青年基金资助项目(51922006)

Analysis of Influencing Factors of Battery Cabinet Heat Dissipation in Electrochemical Energy Storage System

WANG Yabo¹(), ZHU Xinlin¹(), LI Xueqiang¹(), LIU Shengchun¹(), LI Hailong²(), XIONG Rui³()

1. College of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134
2. School of Business, Society and Technology, Mälardalen University, Vasteras 72123 Sweden
3. School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081

Received:2021-11-01 Revised:2022-01-20 Online:2022-03-25 Published:2022-04-06
Contact: XIONG Rui E-mail:wang_yabo@tjcu.edu.cn;xinlinzhu@126.com;xqli@tjcu.edu.cn;liushengchun@tjcu.edu.cn;hailong.li@mdh.se;rxiong@bit.edu.cn

摘要/Abstract

摘要：

电化学储能系统是“双碳”目标实现的有利抓手,安全是电化学储能系统发展的生命线。由于大量电池存放于储能电池柜,因此对其散热性能的研究具有重要的意义。针对磷酸铁锂锂离子电池系统机柜：构建了电池系统数值模型,获得了电池柜内的温度场和气流组织,试验结果验证了模型的合理性;研究了进口风速、单体电池间距以及电池组间距对电池柜散热性能的影响规律,支撑储能机柜的设计和运维管理;结果表明,电池柜在低倍率运行情况下可采用自然对流冷却,高倍率运行情况下需要强制风冷策略;机柜最高温度和最大温差都随着单体间距增加呈现先减小后增大的趋势;电池组间距对电池柜散热性能影响不显著,因此可通过减小电池组间距来节省安装空间。

关键词: 电化学储能系统, 安全性, 锂离子电池, 数值模拟, 散热性能

Abstract:

Abstract: The electrochemical energy storage system is an important grasp to realize the goal of double carbon. Safety is the lifeline of the development of electrochemical energy storage system. Since a large number of batteries are stored in the energy storage battery cabinet, the research on their heat dissipation performance is of great significance. For the lithium iron phosphate lithium ion battery system cabinet: A numerical model of the battery system is constructed and the temperature field and airflow organization in the battery cabinet are obtained, the experimental results verify the rationality of the model; The influences of inlet velocity, single battery spacing and battery pack spacing on the heat dissipation performance of the battery cabinet are studied, the results can support the design, operation and management of the energy storage cabinet; The results show that the battery cabinet can be cooled by natural convection under low-rate operation, and forced air cooling is required under high-rate operation; the maximum temperature and maximum temperature difference of the cabinet show a trend of first decreasing and then increasing with the increase of the battery spacing; the battery pack spacing does not have a significant impact on the heat dissipation performance of the battery cabinet, so the installation space can be saved by reducing the battery pack spacing.

Key words: Electrochemical energy storage system, safety, lithium ion battery, numerical simulation, heat dissipating performance

中图分类号:

TM912

王雅博, 朱信霖, 李雪强, 刘圣春, 李海龙, 熊瑞. 电化学储能系统电池柜散热的影响因素分析^*[J]. 电气工程学报, 2022, 17(1): 225-233.

WANG Yabo, ZHU Xinlin, LI Xueqiang, LIU Shengchun, LI Hailong, XIONG Rui. Analysis of Influencing Factors of Battery Cabinet Heat Dissipation in Electrochemical Energy Storage System[J]. Journal of Electrical Engineering, 2022, 17(1): 225-233.

图/表 15

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风速/(m/s)	T1			T2			T3			T4
风速/(m/s)	试验	模拟	误差	试验	模拟	误差	试验	模拟	误差	试验	模拟	误差
0 1 2 3	32.9 29.7 27.4 26.1	32.1 29.1 27.9 26.9	0.8 0.6 0.5 0.8	33.1 29.8 27.3 26.1	32.1 28.9 27.4 26.4	1.0 0.9 0.1 0.3	33.2 28.5 26.6 25.8	32.1 28.8 27.3 26.3	1.1 0.3 0.7 0.5	33.4 28.2 26.4 25.4	32.1 28.9 27.6 26.6	1.3 0.7 1.2 1.2

风速/(m/s)	V1			V2
风速/(m/s)	试验	模拟	相对误差(%)	试验	模拟	相对误差(%)
2	1.822	1.729	5.1	1.618	1.691	4.5

电化学储能系统电池柜散热的影响因素分析^*

Analysis of Influencing Factors of Battery Cabinet Heat Dissipation in Electrochemical Energy Storage System

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