Integrated pulsed cooling with non-uniform channel liquid plate and phase change material for high-energy-density battery thermal management

IF 5 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Heat and Mass Transfer Pub Date : 2025-05-06 DOI:10.1016/j.ijheatmasstransfer.2025.127191

Tingting Wu, Zhihui Zhang, Yuanyuan Xie, Changhong Wang, Yanxin Hu, Jiaxin Liu, Shuting Cai

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Abstract

The battery thermal management system with liquid cooling plates provides excellent cooling performance. However, its uniform channel designs hinder heat dissipation efficiency. In this work, a liquid cooling plate designed with non-uniform channel widths is presented to address issues of uneven coolant distribution and significant local hotspots within battery modules. To address the high energy consumption associated with active liquid cooling technologies, a combination of liquid cooling plates with phase change material hybrid liquid cooling technology and a pulsed cooling mode is proposed. The design of non-uniform channels effectively addresses flow distribution issues commonly associated with uniform parallel channel liquid cooling plates. This enhancement significantly reduces localized hotspots from heat sources. With only a 6% increase in power consumption, the maximum battery temperature and maximum temperature difference can be lowered by 0.43°C and 0.3°C, respectively. Furthermore, compared to continuous cooling modes, employing a pulsating cooling mode in hybrid liquid cooling plates results in a maximum increase in battery temperature of 1.32°C. Nonetheless, it keeps the battery temperature within a safe range while reducing pump power consumption by 50%. This finding illustrates an effective balance between temperature control capabilities and energy savings.

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非均匀通道液板和相变材料集成脉冲冷却高能量密度电池热管理

采用液冷板的电池热管理系统，冷却性能优异。然而，它的均匀通道设计阻碍了散热效率。本文提出了一种非均匀通道宽度的液冷板设计，以解决电池模块内冷却剂分布不均匀和局部热点突出的问题。针对主动液冷技术能耗高的问题，提出了一种将液冷板与相变材料混合液冷技术与脉冲冷却方式相结合的方案。非均匀通道的设计有效地解决了通常与均匀平行通道液冷板相关的流量分布问题。这种增强显著地减少了来自热源的局部热点。仅增加6%的功耗，电池最高温度和最大温差可分别降低0.43°C和0.3°C。此外，与连续冷却方式相比，在混合液冷板中采用脉动冷却方式可使电池温度最大提高1.32°C。尽管如此，它使电池温度保持在安全范围内，同时将泵的功耗降低了50%。这一发现说明了温度控制能力和节能之间的有效平衡。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Heat and Mass Transfer 工程技术-工程：机械

CiteScore

10.30

自引率

13.50%

发文量

1319

审稿时长

41 days

期刊介绍： International Journal of Heat and Mass Transfer is the vehicle for the exchange of basic ideas in heat and mass transfer between research workers and engineers throughout the world. It focuses on both analytical and experimental research, with an emphasis on contributions which increase the basic understanding of transfer processes and their application to engineering problems. Topics include: -New methods of measuring and/or correlating transport-property data -Energy engineering -Environmental applications of heat and/or mass transfer