THERMAL SCIENCE

International Scientific Journal

Authors of this Paper

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Yang Liu

,

Jian-Ming Li

,

Qing Ma

,

Ya-Xiong Wang

SIMULATION AND ANALYSIS OF A NOVAL THERMAL MANAGEMENT SYSTEM INTEGRATED WITH HEAT PIPE RADIATORS FOR 4680 BATTERY MODULE

ABSTRACT
In order to enhance the safety and service life of automotive 4680 cylindrical batteries during high current discharge state, based on theoretical analysis and numerical simulation, a novel air cooling thermal management system that is integrated with finned heat pipe radiators has been developed and studied in this paper. A triangular heat conduction area was developed by leveraging the gaps within an equilateral triangular arrangement of cylindrical batteries to enhance¬ment heat transfer and improve energy density, and heat exchange between finned heat pipes and cold air is facilitated by varying numbers of fins. Simulation results indicates that with the ambient temperature of 298.15 K and wind speed of 13 m/s, the maximum temperature of the battery module is 310.81 K and the temperature difference is 4.59 K under a 4C discharge rate. In additional, the temperature difference within the battery module reduces by 4.78% through optimizing the air-flow duct and structure parameters of fins, which offering insights and references for the optimization and application of thermal management of automotive battery modules in the future.
KEYWORDS
Battery thermal management, air cooling, Heat pipe radiators, numerical simulation, temperature uniformity
PAPER SUBMITTED: 2024-02-01
PAPER REVISED: 2024-04-09
PAPER ACCEPTED: 2024-04-12
PUBLISHED ONLINE: 2024-06-22
DOI REFERENCE: https://doi.org/10.2298/TSCI240201137L
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2024, VOLUME 28, ISSUE Issue 6, PAGES [4617 - 4635]
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Simulation and analysis of a noval thermal management system integrated with heat pipe radiators for 4680 battery module

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence