Numerical investigation on the cooling performance of lithium-ion battery using liquid cooled-plate with integrated grooves and secondary microchannel structures

IF 4.9 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Thermal Sciences Pub Date : 2025-06-20 DOI:10.1016/j.ijthermalsci.2025.110094

Yiyang Lai , Junling Ding , Lijun Liu

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Abstract

An efficient battery thermal management system serves as a critical safeguard for preserving the operational efficiency, reliability, and safety of lithium-ion battery, especially within elevated thermal environments. This study introduces an innovative liquid cooled-plate design that combines groove and secondary microchannel, and employs three-dimensional numerical simulation techniques to structurally optimize the cooled-plate structure to enhance the thermal regulation efficacy for lithium-ion battery. Initially, by evaluating the performance of various groove configurations, we found that rectangular groove exhibits excellent heat transfer capability. Furthermore, secondary microchannels were integrated between the rectangular grooves to enhance the heat transfer capacity. Numerical results indicate that a microchannel with 0.5 mm width is the optimal choice. Ultimately, the impact of structural optimization on the thermal regulation performance of the system was evaluated. The results illustrate that under the condition of a mass flow rate of 25 g/s, the proposed geometry can increase overall heat transfer performance by 57.1 % and reduce the maximum battery temperature by 0.59 K relative to conventional straight-channel design. This work provides new ideas and perspectives regarding the design of liquid cooled-plate for battery thermal management system.

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采用集成沟槽和二次微通道结构的液冷板对锂离子电池冷却性能进行数值研究

高效的电池热管理系统是保证锂离子电池运行效率、可靠性和安全性的关键保障，特别是在高温环境下。本研究提出了一种创新的槽型和二次微通道相结合的液冷板设计，并采用三维数值模拟技术对液冷板结构进行结构优化，以提高锂离子电池的热调节效率。首先，通过对不同槽型的性能进行评价，我们发现矩形槽具有较好的换热性能。此外，在矩形凹槽之间集成了二次微通道，以提高传热能力。数值结果表明，宽度为0.5 mm的微通道是最优选择。最后，对结构优化对系统热调节性能的影响进行了评价。结果表明，在质量流率为25 g/s的条件下，与传统的直通道设计相比，所提出的几何结构可使整体传热性能提高57.1%，并使电池最高温度降低0.59 K。本研究为电池热管理系统液冷板的设计提供了新的思路和视角。

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 Thermal Sciences 工程技术-工程：机械

CiteScore

8.10

自引率

11.10%

发文量

531

审稿时长

55 days

期刊介绍： The International Journal of Thermal Sciences is a journal devoted to the publication of fundamental studies on the physics of transfer processes in general, with an emphasis on thermal aspects and also applied research on various processes, energy systems and the environment. Articles are published in English and French, and are subject to peer review. The fundamental subjects considered within the scope of the journal are: * Heat and relevant mass transfer at all scales (nano, micro and macro) and in all types of material (heterogeneous, composites, biological,...) and fluid flow * Forced, natural or mixed convection in reactive or non-reactive media * Single or multi–phase fluid flow with or without phase change * Near–and far–field radiative heat transfer * Combined modes of heat transfer in complex systems (for example, plasmas, biological, geological,...) * Multiscale modelling The applied research topics include: * Heat exchangers, heat pipes, cooling processes * Transport phenomena taking place in industrial processes (chemical, food and agricultural, metallurgical, space and aeronautical, automobile industries) * Nano–and micro–technology for energy, space, biosystems and devices * Heat transport analysis in advanced systems * Impact of energy–related processes on environment, and emerging energy systems The study of thermophysical properties of materials and fluids, thermal measurement techniques, inverse methods, and the developments of experimental methods are within the scope of the International Journal of Thermal Sciences which also covers the modelling, and numerical methods applied to thermal transfer.