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[1]娄伟,李昌豪,潘敏,等.基于自产热量化的锂离子电池热失控传播触发机制研究*[J].中国安全生产科学技术,2026,22(5):134-140.[doi:10.11731/j.issn.1673-193x.2026.05.016]
　Lou Wei,Li Changhao,Pan Min,et al.Research on the triggering mechanism of thermal runaway propagation in lithium-ion batteries based on self-generated heat quantification[J].Journal of Safety Science and Technology,2026,22(5):134-140.[doi:10.11731/j.issn.1673-193x.2026.05.016]
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基于自产热量化的锂离子电池热失控传播触发机制研究*

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
22
期数:
2026年5期
页码:
134-140
栏目:
火灾与爆炸安全
出版日期:
2026-05-30

文章信息/Info

Title:
Research on the triggering mechanism of thermal runaway propagation in lithium-ion batteries based on self-generated heat quantification
文章编号:
1673-193X(2026)-05-0134-07
作者:
娄伟; 李昌豪; 潘敏; 汪书苹; 赵成; 黄宗侯
（1.国网安徽省电力有限公司，安徽 合肥 230022；
2.福州大学 环境与安全工程学院，福建 福州 350108）
Author(s):
Lou Wei;  Li Changhao;  Pan Min;  Wang Shuping;  Zhao Cheng;  Huang Zonghou
（1.State Grid Anhui Electric Power Co.,LTD.,Hefei Anhui 230022,China;
2.College of Environmental & Safety Engineering,Fuzhou University,Fuzhou Fujian 350108,China）
关键词:
锂离子电池安全; 热失控; 热失控传播; 自产热贡献; 热安全设计
Keywords:
lithium-ion battery safety;  thermal runaway;  thermal runaway propagation;  self-generated heat contribution
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2026.05.016
文献标志码:
A
摘要:
为揭示方形锂离子电池模组热失控传播的内在机制并为热安全设计提供支撑，开展系统的热失控传播实验。以经过特殊处理、无自产热能力的失效电池为参比，提出量化模组热失控传播过程中电池自产热量及其贡献占比的实验与计算方法。通过对不同荷电状态（SOC）模组及多组重复实验的测试，探讨模组热失控传播过程中的温度分布、电压响应及能量传递规律。研究结果表明：热失控在模组中的传播由相邻电池间剧烈的外部壳体传热与电池内部被触发的自产热耦合驱动；外部传热是启动和维持传播的主导因素，贡献占比约80%，而电池自产热贡献比例稳定在（20.68±1.96）%~（22.33±0.39）%（平均值±标准差）范围内，是完成热失控触发的必要内部条件。研究结果可为方形锂离子电池模组的热安全设计、热失控传播抑制策略及热管理系统优化提供定量化的理论依据与数据支撑。
Abstract:
In order to elucidate the internal mechanisms of thermal runaway propagation in large-capacity prismatic lithium-ion battery modules and to provide support for thermal safety design,systematic thermal runaway propagation experiments were conducted.A specially treated,non-self-heating battery was introduced as a reference,and an experimental and computational methodology was proposed to quantify the self-generated heat and its contribution ratio during the propagation process.The temperature distribution,voltage response,and energy transfer characteristics during module thermal runaway propagation were investigated through tests conducted on modules with varying states of charge (SOC) and multiple repeated trials.The results indicate that thermal runaway propagation in the module is driven by the coupling of intense external heat transfer through the casing between adjacent cells and the triggered internal self-generated heat of the cells.External heat transfer was identified as the dominant factor,accounting for approximately 80% of the heat contribution,while the self-generated heat contribution remained stable within the range of (20.68±1.96)% to (22.33±0.39)%,constituting a necessary internal condition for the completion of thermal runaway initiation.The research results can provide quantitative theoretical basis and data support for the thermal safety design,thermal runaway propagation suppression strategies,and thermal management system optimization of prismatic lithium-ion battery modules.

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备注/Memo

备注/Memo:
收稿日期： 2025-12-30；修回日期：2026-03-16
* 基金项目： 国网安徽省电力有限公司科技项目（B3120525001R）
作者简介： 娄伟，博士，高级工程师，主要研究方向为配网透明化与智慧配电网。
通信作者： 李昌豪，硕士，工程师，主要研究方向为储能安全防护技术。
更新日期/Last Update: 2026-06-03