Experimental Study of Lithium-Ion Battery Thermal Behaviour for Electric and Hybrid Electric Vehicles

2014 IEEE Vehicle Power and Propulsion Conference (VPPC) Pub Date : 2014-10-01 DOI:10.1109/VPPC.2014.7007069

Z. H. Che Daud, D. Chrenko, E. Aglzim, A. Kéromnès, L. Le Moyne

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引用次数: 5

Abstract

An experimental study of lithium-ion battery thermal behaviour for automotive applications is presented. Experiments are conducted for a pack of three battery cells which encounter a series of different discharge and cooling conditions. Results show the different temperature distribution on different locations of the battery cell surface with the highest temperature increase near the positive and negative electrode. The temperature increases sharply if the state of charge (SOC) is too small (less then 20%). Higher discharge rate contributes to higher temperature increase and bigger maximum and minimum temperature difference. Higher cooling air velocity helps to decrease the overall temperature and create better cell surface temperature distribution. Battery utilisation under real vehicle driving conditions is simulated using NEDC and Artemis rural driving cycle with different cooling strategies. Various information collected throughout this project are important in understanding the battery thermal behaviour and help in the design of better cooling systems and strategies for a better used of lithium-ion batteries in automotive applications.

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电动及混合动力汽车锂离子电池热性能实验研究

介绍了汽车用锂离子电池热性能的实验研究。在不同的放电和冷却条件下，对三组电池进行了实验。结果表明，电池表面不同位置的温度分布不同，在正负极附近温度升高最高。如果荷电状态(SOC)过小(小于20%)，温度会急剧升高。放电速率越高，温升越高，最大最小温差越大。较高的冷却风速有助于降低整体温度，并创造更好的电池表面温度分布。采用NEDC和Artemis两种不同冷却策略的乡村行驶工况，模拟了真实车辆行驶条件下的电池利用率。在整个项目中收集的各种信息对于理解电池的热行为非常重要，有助于设计更好的冷却系统和策略，以便更好地在汽车应用中使用锂离子电池。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 IEEE Vehicle Power and Propulsion Conference (VPPC)

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