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2025 02 v.41 173-182
储能电池模组风冷和液冷换热特性对比
基金项目(Foundation): 国家自然科学基金项目(12072071); 福建龙净环保股份有限公司科技基金开发项目(202404-1)
邮箱(Email): fj_zcc@163.com;csu.biao@163.com;13850659031@139.com;
DOI: 10.19944/j.eptep.1674-8069.2025.02.001
中文作者单位:

福建龙净环保股份有限公司;东北大学冶金学院;福建龙净蜂巢储能科技有限公司;

摘要(Abstract):

【目的】锂离子储能电池在工作过程中会产生大量热量,温度过高会导致热失控,影响电池安全,而热管理系统是影响锂离子储能电池稳定性和效率的关键因素。【方法】本文基于数值模拟方法,从定量上对比讨论了并联式风冷和液冷电池模组的换热性能、流阻性能、流动换热综合性能及环境温度的影响等换热特性。【结果】研究表明:当考虑电池模组最高温度、最大温差时,风冷和液冷方式的选择会存在一个冷却介质进出口温差的分界点;液冷方式的整体温度均匀性优于风冷,各电芯间的温差仅为0.5℃,风冷方式则为6.1℃;液冷方式的换热性能优于风冷,而液冷方式的流阻性能劣于风冷。总体上,液冷方式的流动换热综合性能优于风冷,且性能优势随着冷却介质流量的增大而逐渐增强;在0~30℃环境温度变动下,液冷方式比风冷具有更强的环境温度变化适应能力,其换热性能受环境温度影响较小,最高温度涨幅仅为1.1℃。【结论】本文所述研究方法及结果可为相关研究提供参考,有利于储能冷却方式的进一步优化。

关键词(KeyWords): 电池模组;风冷;液冷;换热特性;数值模拟
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基本信息:

DOI:10.19944/j.eptep.1674-8069.2025.02.001

中图分类号:TM912;TK124

引用信息:

[1]叶兴联,钟志韬,张楚城等.储能电池模组风冷和液冷换热特性对比[J].电力科技与环保,2025,41(02):173-182.DOI:10.19944/j.eptep.1674-8069.2025.02.001.

基金信息:

国家自然科学基金项目(12072071); 福建龙净环保股份有限公司科技基金开发项目(202404-1)

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