Research on Factors Affecting Leakage Current of Lithium Reserve Battery Packs
-
摘要: 运用等效电路仿真计算方法对锂贮备电池组共用电解液状态下的漏电流分布情况进行了研究。分析了串联单体数量、电解液电导率、注液管结构特征对漏电流的影响。组建了电池模组漏电流实验装置, 通过实测结果与仿真结果的对比, 确认了仿真计算方法的有效性。Abstract: The distribution of leakage current of lithium reserve battery packs where the battery cells are in a common electrolyte state was studied, using the equivalent circuit simulation calculation method. The effects of the series cells quantity, electrolyte conductivity, and the structural characteristics of the injection tube on the leakage current were analyzed. A leakage current experimental device for battery modules was established. By comparing the measured results with the simulation results, the validity of the simulation calculation method was confirmed.
-
Key words:
- Lithium reserve battery /
- Leakage current /
- Equivalent circuit simulation
-
图 3 串联单体数(2~10)对漏电电流分布影响
Figure 3. Effects of the series-connected cell quantity (2-10)on the distribution of leakage current
图 4 电解液电导率对漏电电流分布的影响
Figure 4. Effects of the electrolyte conductivity on the distribution of leakage current
图 5 总管长度对漏电电流分布的影响
Figure 5. Effects of the main pipe length on the distribution of leakage current
图 6 总管内径对漏电电流分布的影响
Figure 6. Effects of the main pipe ID on the distribution of leakage current
图 7 支管长度对漏电电流分布的影响
Figure 7. Effects of the branch pipe length on the distribution of leakage current
图 8 支管内径对漏电电流分布的影响
Figure 8. Effects of the branch pipe ID on the distribution of leakage current
图 9 5串电池模组漏电实验装置
Figure 9. A leakage current experimental device for battery modules with 5 series-connected cells
图 10 5串电池模组漏电电流对比
Figure 10. Comparison of leakage current of battery modules with 5 series-connected cells
表 1 电路仿真边界参数
Table 1. Circuit simulation boundary parameters
项目 基本参数 单体电压 E 4.2V 电解液电导率 κ 7.6 mS/cm 总管电阻 Rm 1215 Ω支管电阻 Rp 1245 Ω
下载: 导出CSV
-
[1] 谭思平. 高能量密度锂贮备电池关键材料改性及性能研究[D]. 哈尔滨: 哈尔滨工业大学, 2023: 1-6. [2] 杨芳凝, 王九洲, 刘雪省, 等. 锂铬基金属氧化物贮备式电池激活性能研究[J]. 电源技术, 2024, 48(11): 2280-2288. doi: 10.3969/j.issn.1002-087X.2024.11.023YANG F N, WANG J Z, LIU X S, et al. Study on activation performance of lithium chromium oxide reserve batteries[J]. Chinese Journal of Power Sources, 2024, 48(11): 2280-2288. doi: 10.3969/j.issn.1002-087X.2024.11.023 [3] 高新龙, 林沛, 贾宾, 等. 一种贮备式锂电池: 202311755331.1[P]. 2023-12-19: 4-9. [4] 高新龙, 王宇轩, 李学海. 从装备需求看鱼雷动力电池发展[J]. 鱼雷技术, 2016, 24(3): 206-210,234. doi: 10.11993/j.issn.1673-1948.2016.03.009GAO Xin-long, WANG Yu-xuan, LI Xue-hai, et al. The development trend of power source for Torpedo based on the equipment demand[J]. Torpedo Technology, 2016, 24(3): 206-210,234. doi: 10.11993/j.issn.1673-1948.2016.03.009 [5] 蒋洪一, 白瑞发, 房哲飞, 等. 鱼雷动力电池研究进展综述[J]. 船电技术, 2023, 43(5): 57-61. doi: 10.13632/j.meee.2023.05.009Jiang H Y, Bai R F, Fang Z F, et al. A review on development trend of power battery for torpedo[J]. Marine Electric & Electronic Engineering, 2023, 43(5): 57-61. doi: 10.13632/j.meee.2023.05.009 [6] 李学海, 王宇轩, 黄雯. 双极性电堆中漏电电流简化计算模型[J]. 电源技术, 2011, 35(9): 1082-1085.LI Xue-hai, WANG Yu-xuan, HUANG Wen, et al. A simplified model for leakage current in bipolar cell stacks[J]. Chinese Journal of Power Sources, 2011, 35(9): 1082-1085. [7] 蔡年生. 双极堆式电池中的漏电电流[J]. 电池, 1993(5): 234-237. [8] 孙昕昊, 韩超. 铝氧化银电池漏电电流计算[J]. 电气时代, 2016(8): 78-81. [9] 杨朝蓬, 陈永杰, 王兴贺, 等. 锌银一次电池横置激活漏电分析研究[J]. 电源技术, 2019, 43(11): 1860-1862,1900. doi: 10.3969/j.issn.1002-087X.2019.11.031YANG Zhao-peng, CHEN Yong-jie, WANG Xing-he, DUAN Zhi-yu, et al. Leakage analysis of Zn-AgO reserve batteries with horizontal activation[J]. Chinese Journal of Power Sources, 2019, 43(11): 1860-1862,1900. doi: 10.3969/j.issn.1002-087X.2019.11.031 [10] 吕志勇, 杨卫华. 铝燃料电池堆漏电电流的研究[J]. 电源技术, 2019, 43(3): 477-479.LV Zhi-yong, YANG Wei-hua. et al. Study on leakage current of aluminum fuel cell stack[J]. Chinese Journal of Power Sources, 2019, 43(3): 477-479. [11] 薛慧婷, 郑谦, 梁君, 等. 全钒氧化还原液流电池漏电电流影响因素的研究[J]. 东方汽轮机, 2012(4): 41-44,55. doi: 10.13808/j.cnki.issn1674-9987.2012.04.001Xue Huiting, Zheng Qian, Liang Jun, Yu Zhengguang, Zhang Jianpu, et al. Research on Influencing Factors of Leaked Current in All-vanadium Redox Flow Battery[J]. Dongfang Turbine, 2012(4): 41-44,55. doi: 10.13808/j.cnki.issn1674-9987.2012.04.001 [12] 尤东江, 张华民. 氧化还原电池组等效电路模型[J]. 电化学, 2014, 20(2): 156-163. doi: 10.13208/j.electrochem.130417 -
下载:
点击查看大图
计量
- 文章访问数: 15
- HTML全文浏览量: 7
- PDF下载量: 2
- 被引次数: 0
