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차량용 리튬이온 배터리 모듈의 간접 공랭식 시스템 냉각 특성 분석A Study on the Characteristics of the Indirect Air Cooling System of a Lithium-ion Battery Module for Vehicle

Other Titles
A Study on the Characteristics of the Indirect Air Cooling System of a Lithium-ion Battery Module for Vehicle
Authors
류민열김태우박성수이종석박성진
Issue Date
2018
Publisher
한국자동차공학회
Keywords
Battery cooling(배터리 냉각); Thermal modeling(열적 모델링); Lithium ion battery(리튬이온 배터리); Thermal management(열관리); Heat transfer characteristics(열전달 특성); Cooling performance(냉각 성능)
Citation
한국자동차공학회 논문집, v.26, no.5, pp.663 - 675
Journal Title
한국자동차공학회 논문집
Volume
26
Number
5
Start Page
663
End Page
675
URI
https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/4299
DOI
10.7467/KSAE.2018.26.5.663
ISSN
1225-6382
Abstract
In electrified vehicles, large lithium ion batteries are typically used because of their high charge and discharge efficiency, high power density, wide range of SOC operation, longer shelf life, and lower self-discharge rate. However, such type of batteries should be kept at the proper operating temperature to extend their battery life and avoid explosion. Therefore, a battery cooling system is an essential sub system for electrified vehicles. In this study, the multi-dimensional battery heat transfer model was developed by using Matlab/Simulink, and validated with CFD simulation results. Based on the Matlab/Simulink model, the cell maximum temperature, cell maximum temperature deviation, and distribution were tested. The model is then used to estimate the effect of ambient temperature, cooling air temperature and flow rates, heat generation, and the design of the cooling fin on temperature distribution and maximum temperature change in the battery module.
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