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| Study on Optimization Design of the Cooling System of Lithium-Ion Battery on Electric Vehicles |
| Zeng Jianhong1, 2, Wang Lifang1, Liao chenglin1 |
1. Key Laboratory of Power Electronics & Electric Drives, Institute of Electrical Engineering Chinese Academy of Science Beijing 100190 China;
2. University of Chinese Academy of Sciences Beijing 100190 China |
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Abstract In order to explore a good thermal management solution, the internal structure of a lithium-ion battery module which shape is a regular cube is optimization designed. Three optimization methods are proposed by changing the descending mode of the ventilation slots of the plate which is in the wind zone at the top of the box, changing the inclination angle of the plate and changing the position of the export. The 3-D model of the box is established and meshed by Gambit, and the CFD simulation is completed with Fluent. The temperature contours and the maximum temperature of the center-section of the batteries are showed. The comparison and evaluation indicate that the methods of changing the descending mode of the plate and changing the position of the export can reduce the temperature gradient of the box, which can improve the uniformity of the temperature of the batteries. While there is obvious effect of reducing the maximum temperature of the batteries by changing the inclination angle of the plate.
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Received: 20 September 2012
Published: 12 December 2013
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2013, Vol. 28 
