全氟己酮及细水雾灭火装置对大容量三元锂离子电池的灭火实验

doi:10.19799/j.cnki.2095-4239.2021.0402

储能科学与技术 ›› 2022, Vol. 11 ›› Issue (2): 652-659.doi: 10.19799/j.cnki.2095-4239.2021.0402

全氟己酮及细水雾灭火装置对大容量三元锂离子电池的灭火实验

谢卓衡¹(), 王子阳²(), 张刚¹, 辜振宁¹, 石晓龙³, 姚斌²()

^1.海南省消防救援总队，海南海口 571100
^2.中国科学技术大学火灾科学国家重点实验室，安徽合肥 230026
^3.合肥科大立安安全技术有限责任公司，安徽合肥 230088

收稿日期:2021-08-03 修回日期:2021-08-26 出版日期:2022-02-05 发布日期:2022-02-08
通讯作者: 姚斌 E-mail:371762339@qq.com;wangzy97@mail.ustc.edu.cn;binyao@ustc.edu.cn
作者简介:谢卓衡（1986—），男，大学本科，主要从事消防救援、火灾防控，E-mail：371762339@qq.com|王子阳（1997—），男，硕士研究生，主要从事锂离子电池灭火技术研究，E-mail：wangzy97@mail.ustc.edu.cn；
基金资助:
“中央高校基本科研业务费专项资金资助”项目(wk2320000053)

Experimental study on fire extinguishing of large-capacity ternary lithium-ion battery by perfluorohexanone and water mist fire extinguishing device

Zhuoheng XIE¹(), Ziyang WANG²(), Gang ZHANG¹, Zhenning GU¹, Xiaolong SHI³, Bin YAO²()

^1.Hainan General Fire Brigade, Haikou 571100, Hainan, China
^2.State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026, Anhui, China
^3.Hefei KedaLi'an Safety Technology Co. , Ltd. , Hefei 230088, Anhui, China

Received:2021-08-03 Revised:2021-08-26 Online:2022-02-05 Published:2022-02-08
Contact: Bin YAO E-mail:371762339@qq.com;wangzy97@mail.ustc.edu.cn;binyao@ustc.edu.cn

摘要/Abstract

摘要：

本工作搭建了锂电池燃烧-抑制实验平台，以额定容量为150 A·h的三元铝壳动力锂离子电池单体为研究对象，采用电加热方法诱导其发生热失控，研究全氟己酮及细水雾灭火装置对热失控锂离子电池的灭火降温效果，测试了不同工况下的灭火时间、最高温度、质量损失、灭火效率。实验结果表明：标准设计下的全氟己酮灭火装置能够快速灭火，最大降温速率为-15.4 ℃/s，但随着实验箱内灭火剂浓度下降，灭火后60 s锂离子电池发生了复燃；细水雾灭火装置可以有效灭火，在喷雾后锂离子电池温度降至78.8 ℃左右，最大降温速率为-26.9 ℃/s，后续未发生复燃现象，但是其用水量较大，难以开展实际应用。本工作可以为三元锂离子电池进一步的灭火技术研究提供实验支撑。

关键词: 锂离子电池安全, 全氟己酮, 细水雾, 抑制效果

Abstract:

This work built a lithium-ion battery combustion-inhibition experimental platform, took a ternary aluminum shell power lithium-ion battery monomer with a rated capacity of 150 A·h as the research object, induced thermal runaway by electric heating, and studied the fire suppression and cooling effect of the perfluorohexanone and water mist extinguishing device on the thermal runaway lithium-ion battery. The fire extinguishing time, maximum temperature, quality loss, and fire extinguishing efficiency were measured under different working conditions. The experimental results show that the standard design of the perfluorophanketone fire extinguishing device can quickly extinguish the fire, with a maximum cooling rate of -15.4 ℃/s. However, as the concentration of the fire extinguishing agent in the test box decreases, the lithium-ion battery refires in 60 s after the fire extinguishing, and the water mist fire extinguishing device can effectively extinguish the fire. After the spray, the temperature of the lithium-ion battery drops to about 78.8 ℃?, and the maximum cooling rate is -26.9 ℃/s. However, it is difficult to carry out practical application because of its large water consumption. This experiment can provide experimental support for further research on fire suppression technology of ternary lithium-ion batteries.

Key words: lithium-ion battery safety, perfluorohexanone, water mist, suppression effect

中图分类号:

TM 911.3

谢卓衡, 王子阳, 张刚, 辜振宁, 石晓龙, 姚斌. 全氟己酮及细水雾灭火装置对大容量三元锂离子电池的灭火实验[J]. 储能科学与技术, 2022, 11(2): 652-659.

Zhuoheng XIE, Ziyang WANG, Gang ZHANG, Zhenning GU, Xiaolong SHI, Bin YAO. Experimental study on fire extinguishing of large-capacity ternary lithium-ion battery by perfluorohexanone and water mist fire extinguishing device[J]. Energy Storage Science and Technology, 2022, 11(2): 652-659.

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全氟己酮及细水雾灭火装置对大容量三元锂离子电池的灭火实验

Experimental study on fire extinguishing of large-capacity ternary lithium-ion battery by perfluorohexanone and water mist fire extinguishing device

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