| 电动汽车动力电池低温性能研究与应用 |
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| 作者姓名： | 陈永胜 乔延涛 裴小娟 孟祥宇 周琪 |
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| 作者单位： | 中国第一汽车股份有限公司新能源开发院;汽车振动噪声与安全控制综合技术国家重点实验室 |
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| 摘 要： | 电动汽车锂离子动力电池在低温条件下工作时,电池的内阻明显升高、功率和能量急剧下降,导致整车低温下动力性能不足、续驶里程不足、充电受限等问题。通过试验进行了动力电池的低温特性研究,提出了适合整车低温工作的解决方案,通过实车验证,达到了很好的效果。
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| 关 键 词： | 电动汽车 低温 动力电池 内阻 SOC 续驶里程 |
Low Temperature Performance Research and Application on Traction Battery of Electric Vehicles |
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| Institution: | (New Energy Vehicle Development Institute,China FAW Corporation Limited,Changchun 130013;State Key Laboratory of Comprehensive Technology on Automobile Vibration and Noise&Safety Control,Changchun 130013) |
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| Abstract: | When electric vehicles work under low temperature,the traction battery’s internal resistance increases obviously and capacity reduces sharply,which leads to vehicles’poor dynamic performance,driving range shortage and charging performance limitation.In this paper,through the research on low temperature performance of the traction battery,a low temperature solution of the traction battery is proposed,which is validated on electric vehicles and achieved good results. |
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| Keywords: | EV Low temperature Traction battery Internal resistance SOC Driving range |
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