某电动车用软包单体锂离子电池特性实验及仿真
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摘要
本文详细介绍了锂离子电池的结构以及工作原理,并借助相关实验设备,以某电芯厂生产的50Ah软包锂离子电池为研究对象,在高低温环境下研究了该该锂离子单体电池不同充放电倍率下内阻特性和温升特性;并基于这些特性建立了锂离子单体电池的生热模型和仿真模型,然后利用STAR-CCM+软件进行了仿真对比,研究发现仿真与实验结果误差在5%以内,验证了电池的生热模型和仿真模拟时各物性参数设置的合理性。
The article introduced the structure and principles of lithium-ion battery;based on sample 50 Ah soft-package lithium-ion batteries with corresponding experimental equipments,the resistance characteristics and temperature rise characteristics of lithium-ion battery is studied under different charge and discharge rates and different environment temperatures,heat generation model and simulation model of the lithium ion single cell are established with these characteristics;then the simulation is done with software STAR-CCM+,and simulation results are within5% deviation compared with experimental results;consequently physical property parameters of the battery's heat generation model and simulation model are verified.
The article introduced the structure and principles of lithium-ion battery;based on sample 50 Ah soft-package lithium-ion batteries with corresponding experimental equipments,the resistance characteristics and temperature rise characteristics of lithium-ion battery is studied under different charge and discharge rates and different environment temperatures,heat generation model and simulation model of the lithium ion single cell are established with these characteristics;then the simulation is done with software STAR-CCM+,and simulation results are within5% deviation compared with experimental results;consequently physical property parameters of the battery's heat generation model and simulation model are verified.
引文
[1] 常明飞,侯月朋,郅晓科等.锂离子电池安全性能测试及其影响因素分析[J].电源技术,2018,42(09):1307-1309.
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[4] 欧阳陈志.锂离子动力电池热分析及优化[D].长沙理工大学,2013.
[5] Ling Z,Wang F,Fang X,et al.A hybrid thermal management system for lithium ion batteries combining phase change materials with forced-air cooling[J].Applied Energy,2015,148:403-409.
[6] adrc Y,zkazanY.Microcontroller based online state of charge estimator for sealed lead acid batteries[J].Journal of Power Sources,2004,129:330-342.
[7] 何志超,杨耕,卢兰光,吴海桑.基于恒流外特性和SOC的电池直流内阻测试方法[J].清华大学学报(自然科学版),2015,55(05):532-537.
[8] 赵镇南.传热学[M].北京:高等教育出版社,2002.
[9] Stuart T A,Hande A.HEV battery heating using AC currents[J].Journal of Power Sources,2004,129(2):368-378.
[10]王珍珍,郭密,唐世弟,彭家新.锂离子电池超低温放电性能的影响因素[J].电池,2018,48(04):262-266.
[11]李士强,肖昌润,曹植珺.基于STAR-CCM+的潜艇尾流场及水动力数值分析[J].中国舰船研究,2018,13(S1):29-35.
[2] Nelson P,Dees D,Amine K,et al.Modeling thermal management of lithium-ion PNGV batteries[J].Journal of Power Sources,2002,110(2):349-356.
[3] Klein H P,Groll M.Heat transfer characteristics of expanded graphite matrices in metal hydride beds[J].International Journal of Hydrogen Energy,2004,29(14):1503-1511.
[4] 欧阳陈志.锂离子动力电池热分析及优化[D].长沙理工大学,2013.
[5] Ling Z,Wang F,Fang X,et al.A hybrid thermal management system for lithium ion batteries combining phase change materials with forced-air cooling[J].Applied Energy,2015,148:403-409.
[6] adrc Y,zkazanY.Microcontroller based online state of charge estimator for sealed lead acid batteries[J].Journal of Power Sources,2004,129:330-342.
[7] 何志超,杨耕,卢兰光,吴海桑.基于恒流外特性和SOC的电池直流内阻测试方法[J].清华大学学报(自然科学版),2015,55(05):532-537.
[8] 赵镇南.传热学[M].北京:高等教育出版社,2002.
[9] Stuart T A,Hande A.HEV battery heating using AC currents[J].Journal of Power Sources,2004,129(2):368-378.
[10]王珍珍,郭密,唐世弟,彭家新.锂离子电池超低温放电性能的影响因素[J].电池,2018,48(04):262-266.
[11]李士强,肖昌润,曹植珺.基于STAR-CCM+的潜艇尾流场及水动力数值分析[J].中国舰船研究,2018,13(S1):29-35.