Thermal performance of a hybrid thermal management system that couples PCM with liquid cooling for cylindrical lithium-ion battery

IF 6.1 2区工程技术 Q2 ENERGY & FUELS

Applied Thermal Engineering Pub Date : 2025-05-05 DOI:10.1016/j.applthermaleng.2025.126736

Haobing Zhou , Weifeng Li , Dayu Gong , Chenhang Xue , Xiaofeng Guo , Zebin Song

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引用次数: 0

Abstract

Battery thermal management systems (BTMS) are crucial for ensuring the safety and performance of Lithium-ion batteries (LIBs). This study proposes a novel hybrid BTMS that integrates phase change materials (PCM) and liquid cooling through honeycomb-shaped cold plates (LCPs) to achieve enhanced temperature uniformity. The system employs direct thermal energy storage via PCM and indirect cooling through LCPs within a module comprising twelve cylindrical LIBs of the 18,650 type. Numerical simulations are conducted to investigate the cooling performance under a 3C discharge rate, examining the effects of LCPs quantity (1–4), BTMS shape, inlet velocity (0.05–0.2 m/s), and reciprocating cycle period (140-560 s). The results demonstrate that increasing the number of LCPs significantly improved thermal management performance, while reducing BTMS volume by 49 % maintains cooling effectiveness. The hybrid system exhibits superior performance in both low-temperature warm-up and high-temperature thermal regulation operations. Response surface approximation modeling optimizes the design parameters. At an inlet temperature of 27 °C, an inlet velocity of 0.15 m/s, and a reciprocating cycle period of 200 s, the maximum battery temperature and temperature difference reach 29.6 °C and 2.0 °C, respectively. This innovative design provides valuable insights for BTMS designers.

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圆柱形锂离子电池耦合PCM与液体冷却的混合热管理系统的热性能

电池热管理系统（BTMS）对于确保锂离子电池（lib）的安全性和性能至关重要。本研究提出了一种新型混合BTMS，通过蜂窝状冷板（lcp）集成相变材料（PCM）和液体冷却，以提高温度均匀性。该系统通过PCM直接储存热能，并通过lcp间接冷却，该模块由12个18650型圆柱形lib组成。通过数值模拟研究了在3C流量下lcp数量（1 ~ 4）、BTMS形状、进口速度（0.05 ~ 0.2 m/s）和往复循环周期（140 ~ 560 s）对冷却性能的影响。结果表明，增加lcp的数量可以显著提高热管理性能，同时减少49%的BTMS体积保持冷却效果。混合系统在低温预热和高温热调节操作中均表现出优异的性能。响应面近似建模优化了设计参数。在进口温度为27℃，进口速度为0.15 m/s，往复循环周期为200 s时，电池最高温度和温差分别达到29.6℃和2.0℃。这种创新的设计为BTMS设计师提供了有价值的见解。

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

Applied Thermal Engineering 工程技术-工程：机械

CiteScore

11.30

自引率

15.60%

发文量

1474

审稿时长

57 days

期刊介绍： Applied Thermal Engineering disseminates novel research related to the design, development and demonstration of components, devices, equipment, technologies and systems involving thermal processes for the production, storage, utilization and conservation of energy, with a focus on engineering application. The journal publishes high-quality and high-impact Original Research Articles, Review Articles, Short Communications and Letters to the Editor on cutting-edge innovations in research, and recent advances or issues of interest to the thermal engineering community.