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Journals / International Journal of Automotive Science and Technology / 2026 / Volume: 10 Issue: 3

Thermal Performance of a Honeycomb-Inspired Liquid Cooling Plate for Lithium-ion Battery Cooling

Ali Cem Yakaryılmaz(CUKUROVA UNIVERSITY)0000-0001-7977-2959
Mustafa İlteriş Bıçak(CUKUROVA UNIVERSITY)0000-0002-6732-6078
Buğra Bolat(CUKUROVA UNIVERSITY)0009-0001-1272-0086
Emre Demir(CUKUROVA UNIVERSITY)0009-0003-2882-5266
Sinan Keyinci(CUKUROVA UNIVERSITY)0000-0003-2948-3846
Erdi Tosun(CUKUROVA UNIVERSITY)0000-0001-5733-2047
Pages
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Publication Date
2026-08-19
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results show that the proposed HC-S LCP can effectively maintain the battery temperature within the optimum operating range of 15-35 °C and improve the thermal safety of LiB.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Temperature control has a crucial effect on the efficiency, safety, and lifetime of lithium-ion batteries (LiBs).
📊
Key Findings & Data:The LCP was produced from Aluminum 6061-T6 using Computer Numerical Control (CNC) machining and experimentally tested under a constant 1C discharge rate.
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Conclusion & Impact:The results show that the proposed HC-S LCP can effectively maintain the battery temperature within the optimum operating range of 15-35 °C and improve the thermal safety of LiB.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Cooling · Electric vehicle · Lithium-ion battery

Abstract

Temperature control has a crucial effect on the efficiency, safety, and lifetime of lithium-ion batteries (LiBs). For this reason, developing effective cooling solutions remains an active area of battery thermal management research. In this study, a honeycomb-shaped (HC-S) liquid cooling plate (LCP) was designed and manufactured for the thermal management of a pouch-type LiB. Although biomimetic and HC-S cooling structures have been investigated in battery thermal management studies, experimental evaluations of honeycomb-inspired LCPs for pouch-type LiBs with different coolant media are still limited. Therefore, this study contributes to the literature by experimentally assessing HC-S LCP and directly comparing various coolant circulation under the same discharge condition. The LCP was produced from Aluminum 6061-T6 using Computer Numerical Control (CNC) machining and experimentally tested under a constant 1C discharge rate. Pure water and a 50% pure water-50% monoethylene glycol (MEG)-based coolant mixture were circulated through the plate to evaluate their cooling performance. Among the tested cooling scenarios, the best thermal performance was obtained with 100% pure water circulation. In this case, the maximum temperature (Tmax) on the battery surface decreased from 42.595 °C to 28.939 °C, corresponding to a 32.06% reduction compared with the uncooled condition. The average temperature (Tavg) on surface was also reduced by 29.12%, from 38.935 °C to 27.598 °C. In addition, pure water circulation improved temperature uniformity by lowering the maximum temperature difference (∆Tmax) on the battery surface to approximately 2 °C. The results show that the proposed HC-S LCP can effectively maintain the battery temperature within the optimum operating range of 15-35 °C and improve the thermal safety of LiB.

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Cite This Article

Yakaryılmaz, A. C., Bıçak, M. İ., Bolat, B., Demir, E., Keyinci, S., Tosun, E. (2026). Thermal Performance of a Honeycomb-Inspired Liquid Cooling Plate for Lithium-ion Battery Cooling. International Journal of Automotive Science and Technology, Volume: 10 Issue: 3. https://doi.org/10.30939/ijastech..1962114

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