高容量软包锂离子电池产热性能原位测量

doi:10.3969/j.issn.1674-8484.2026.02.007

汽车安全与节能学报 ›› 2026, Vol. 17 ›› Issue (2): 218-224.DOI: 10.3969/j.issn.1674-8484.2026.02.007

高容量软包锂离子电池产热性能原位测量

张晓军¹(), 王杰¹, 盛雷²^,^*(), 张焕娟¹, 兰怀雨², 周钦健², 王骞², 史峻铭², 孙旭辉²

¹ 山西潞安太行润滑科技股份有限公司研发中心，长治 311816，中国
² 上海理工大学机械工程学院，上海 200093，中国

收稿日期:2025-11-13 修回日期:2026-01-15 出版日期:2026-04-30 发布日期:2026-04-30
通讯作者: *盛雷，副教授。E-mail： shenglei369@163.com。
作者简介:张晓军（1987—），男（汉），山西，高级工程师。E-mail：2201116736@qq.com。
基金资助:
国家自然科学基金资助项目(52206267)

In-situ measurement of heat generation performance of a high-capacity pouch lithium-ion battery

ZHANG Xiaojun¹(), WANG Jie¹, SHENG Lei²^,^*(), ZHANG Huanjvan¹, LAN Huaiyu², ZHOU Qinjian², WANG Jian², SHI Junming², SUN Xuhui²

¹ Shanxi Lu’an Taihang Lubrication Technology Co., Ltd, Changzhi 046000, China
² School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

Received:2025-11-13 Revised:2026-01-15 Online:2026-04-30 Published:2026-04-30

摘要/Abstract

摘要：

提出了一种考虑热量损失因素的热补偿原位测量方法，用来研究在无强制风冷且保温环境和在有强制风冷的2种工况下，高容量软包锂离子电池充放电时的产热性能。结果表明：在保温工况下，电池产热率曲线呈现出“高—低—高”的U型样式；在强制风冷工况下，产热率曲线呈现出“快—慢—快”的递增趋势；相较于未考虑热量损失工况，考虑热损后的测量精度达93.5%；在无强制风冷且保温工况下，电池以0.7 C、1.0 C、1.2 C 放电时所对应的产热量分别较有强制风冷工况增多4.74%、11.56%、16.25%。从而，本方法可表征充放电时的软包电池在保温工况或强制风冷工况下的产热性能。

关键词: 软包锂离子电池, 产热性能, 热补偿法, 保温工况或强制风冷工况

Abstract:

An in-situ measurement method with heat-compensated was proposed considering heat loss factors to investigate the heat generation performances of the high-capacity pouch lithium-ion batteries under two charging and discharging conditions, the one without forced air cooling and thermal insulation, and the other with forced air cooling. The results show that the battery heat generation rate curves exhibit a U-shaped pattern of “high-low-high” under the heat preservation conditions; The heat generation rate curve shows an in-creasing trend of “fast-slow-fast” under the forced air-cooling conditions; The meas-urement accuracy considering heat loss reaches 93.5% compared to the conditions considering no heat loss; The heat generated under the conditions with no forced air cooling and heat preservation, increases by 4.74%, 11.56%, and 16.25% respectively when battery discharging at 0.7 C, 1.0 C, and 1.2 C, compared to the forced air-cooling conditions. Therefore, this method can provide a reference for the accurate characteri-zation of the heat generation performances of pouch batteries under the charging and discharging conditions of heat preservation and forced air-cooling.

Key words: pouch lithium-ion batteries, heat generation performances, thermal compensation method, heat preservation conditions and forced air-cooling conditions

中图分类号:

TM912

张晓军, 王杰, 盛雷, 张焕娟, 兰怀雨, 周钦健, 王骞, 史峻铭, 孙旭辉. 高容量软包锂离子电池产热性能原位测量[J]. 汽车安全与节能学报, 2026, 17(2): 218-224.

ZHANG Xiaojun, WANG Jie, SHENG Lei, ZHANG Huanjvan, LAN Huaiyu, ZHOU Qinjian, WANG Jian, SHI Junming, SUN Xuhui. In-situ measurement of heat generation performance of a high-capacity pouch lithium-ion battery[J]. Journal of Automotive Safety and Energy, 2026, 17(2): 218-224.

图/表 9

图1 保温工况试验布置

图2 强制风冷工况电池冷却试验布置

图3 电池表面对流换热系数的测定（环境温度25 ℃）

图4 保温工况下电池的温度变化与表面热流密度

图5 保温工况下的电池放电产热速率

图6 强制风冷工况下电池的温度变化与表面热流密度

图7 强制风冷工况下的电池产热率

图8 保温、强制风冷工况下的电池产热率比较

器材	误差	不确定度/ %
数据采集仪	±0.3%	0.6
热电偶	国家Ⅰ级精度±0.4%	0.8
热流传感器	±2.0%	4.0

表1 试验器材的误差、不确定度

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高容量软包锂离子电池产热性能原位测量

In-situ measurement of heat generation performance of a high-capacity pouch lithium-ion battery

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