交错式半浸没型液冷板对锂电池散热性能的影响

季家东; 端诚挚; 孙海庭; 叶凡; 刘玉笼; 黄卫

doi:10.7652/xjtuxb202610012

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交错式半浸没型液冷板对锂电池散热性能的影响

专题新能源电动车辆热管理 | 更新时间：2026-09-29

- 交错式半浸没型液冷板对锂电池散热性能的影响
- Effects of a Staggered Semi-Immersed Liquid Cooling Plate on the Heat Dissipation Performance of Lithium Batteries
- 西安交通大学学报 2026年60卷第10期页码：137-147
- 作者机构：
  
  安徽理工大学机电工程学院，232001，安徽淮南
  安徽理工大学煤炭无人化开采数智技术全国重点实验室，232001，安徽淮南
- 作者简介：
  
  季家东（1982-），男，教授，硕士生导师。
- 基金信息：
  
  国家自然科学基金资助项目(52175070);安徽高校自然科学研究重大项目(2024AH040068)
- DOI：10.7652/xjtuxb202610012
  中图分类号： TM912
- 收稿：2026-01-29，
  
  网络首发：2026-04-14，
  
  纸质出版：2026-10-10
- 稿件说明：
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季家东, 端诚挚, 孙海庭, 等. 交错式半浸没型液冷板对锂电池散热性能的影响[J/OL]. 西安交通大学学报,2026,60 (10):137-147. https://doi.org/10.7652/xjtuxb202610012.

JI Jiadong, DUAN Chengzhi, SUN Haiting, et al. Effects of a Staggered Semi-Immersed Liquid Cooling Plate on the Heat Dissipation Performance of Lithium Batteries[J/OL]. Journal of Xi'an Jiaotong University,2026,60 (10):137-147. https://doi.org/10.7652/xjtuxb202610012.
季家东, 端诚挚, 孙海庭, 等. 交错式半浸没型液冷板对锂电池散热性能的影响[J/OL]. 西安交通大学学报,2026,60 (10):137-147. https://doi.org/10.7652/xjtuxb202610012. DOI：

JI Jiadong, DUAN Chengzhi, SUN Haiting, et al. Effects of a Staggered Semi-Immersed Liquid Cooling Plate on the Heat Dissipation Performance of Lithium Batteries[J/OL]. Journal of Xi'an Jiaotong University,2026,60 (10):137-147. https://doi.org/10.7652/xjtuxb202610012. DOI：

摘要

针对传统液冷板散热不均、流道阻力大，以及全浸没冷却对冷却液要求苛刻、易引发电池短路等问题，提出了一种新型交错式半浸没型液冷板结构。采用数值模拟方法，结合NTGK电化学模型与流体传热控制方程，系统分析了入口流速、通道角度和通道间距比（通道间距与通道宽度之比）对散热性能的影响；通过单电池产热实验及网格独立性分析，验证了模型可靠性。研究结果表明：增加入口流速可显著提升液冷板的散热性能并降低电池模组最高温度，相较于入口速度为1.50m/s工况，2.25m/s的入口速度可使液冷板的综合散热性能提升204.21%、电池模组最高温度降低0.27K；当通道角为45°时，液冷板的综合散热性能最佳，其综合散热能力相较于通道角为17°时提升了114.40%；当通道宽度为5mm时，通道间距比为5∶5下的液冷板综合散热性能较好；相较于传统板式结构，提出的半浸没式结构将综合散热性能提升了24.00%，将电池模组的最高温度降低了2.86K。该研究可为电池散热结构设计提供理论依据与技术参考。

Abstract

To address the issues of uneven heat dissipation and high flow channel resistance in traditional liquid cooling plates

as well as the stringent requirements for coolants and the risk of battery short circuits in full-immersion cooling

this study proposes a novel staggered semiimmersed liquid cooling plate structure. Using numerical simulations combined with the NTGK electrochemical model and the governing equations for fluid flow and heat transfer

the effects of inlet velocity

channel angle

and channel spacing ratio (the ratio of channel spacing to channel width) on the heat dissipation performance were systematically analyzed. The reliability of the model was verified through single-cell heat generation experiments and a grid independence analysis. The results indicate that increasing the inlet velocity significantly enhances the heat dissipation performance of the liquid cooling plate and reduces the maximum temperature of the battery module. Compared with the operating condition at an inlet velocity of 1.50m/s

an inlet velocity of 2.25m/s improves the comprehensive heat dissipation performance of the liquid cooling plate by 204.21% and reduces the maximum temperature of the battery module by 0.27K. When the channel angle is 45°

the comprehensive heat dissipation performance of the liquid cooling plate is optimal

and its comprehensive heat dissipation capacity is increased by 114.40% compared to that at a channel angle of 17°. When the channel width is 5mm

the liquid cooling plate with a channel spacing ratio of 5∶5exhibits better comprehensive heat dissipation performance. Furthermore

compared with the conventional plate structure

the proposed semi-immersed structure improves the comprehensive heat dissipation performance by 24.00% and reduces the maximum temperature of the battery module by 2.86K. This study provides a theoretical basis and technical reference for the design of battery heat dissipation structures.

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references

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