NUMERICAL INVESTIGATION ON INCREASING COOLING EFFICIENCY FOR LI-ION BATTERY IN ELECTRIC VEHICLE

J.W. Kim

doi:10.6112/kscfe.2024.29.4.039

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2024 Vol.29, Issue 4 Preview Page Next Page

Original Article

NUMERICAL INVESTIGATION ON INCREASING COOLING EFFICIENCY FOR LI-ION BATTERY IN ELECTRIC VEHICLE 전기차용 리튬 이온 배터리의 냉각 효율 제고에 관한 전산해석적 연구

31 December 2024. pp. 39-50

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Abstract

Numerical investigation has been performed for the cooling efficiency of Lithium ion battery adopted in electric vehicles. Temperature of Li-ion cell should be controlled under rigorously restricted range for both the very safe from thermal runaway and normal driving of the electric vehicles. The electric cell is heat source during charging and discharging process of it and its temperature could increase up to the pre-assigned limits without proper cooling devices. The present work is looking for efficient cooling system for Li-ion battery which is large heat source for its operation in EV. Several cooling models are proposed to this research and its performance is revealed for each system. Five cooling models and the reference model from prior work are numerically examined for temperature control of the present Li-ion battery. The present investigation has been carried out with normal driving conditions of electric vehicles presented in market. Consequently, the model with improved outlet geometry shows enhanced cooling performance relative to other suggestions including the reference model which has been adopted in running EVs.

Keywords

Li-ion battery

CFD

Battery cooling

Electric vehicle

키워드

리튬이온 배터리

전산유체역학

배터리 냉각

전기차

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Information

Publisher :Korean Society for Computational Fluids Engineering
Publisher(Ko) :한국전산유체공학회
Journal Title :Journal of Computational Fluids Engineering
Journal Title(Ko) :한국전산유체공학회지
Volume : 29
No :4
Pages :39-50
Received Date : 2024-08-16
Revised Date : 2024-09-30
Accepted Date : 2024-10-21
DOI :https://doi.org/10.6112/kscfe.2024.29.4.039

Journal of Computational Fluids Engineering ISSN:1598-6071(Print) 3022-6252(Online) 한국전산유체공학회지

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