THERMAL SCIENCE

International Scientific Journal

Thermal Science - Online First

Authors of this Paper

External Links

Yang Liu

,

Jian-Ming Li

,

Qing Ma

,

Ya-Xiong Wang

online first only

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 enhancement 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 298.15K and wind speed of 13m/s, the maximum temperature of the battery module is 310.81K and the temperature difference is 4.59K under a 4C discharge rate. In additional, the temperature difference within the battery module reduces by 4.78% through optimizing the airflow 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
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Simulation and analysis of a noval thermal management system integrated with heat pipe radiators for 4680 battery module