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HEV lithium-ion battery testing and driving cycle analysis in a heavy-duty truck field study

机译:重型卡车实地研究中的混合动力汽车锂离子电池测试和行驶周期分析

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This paper presents early results from an ongoing field test of HEV batteries on heavy-duty trucks. The presented results focus on the parameters that can affect ageing, such as SOC and power. The goal with this study is to correlate battery ageing to battery usage. Commercial LMO/LTO lithium-ion battery cells were tested onboard four Scania trucks. The test equipment was designed for this type of HEV battery testing on conventional vehicles by emulating an HEV environment. This concept allows unobtrusive and low cost testing of battery cells under realistic conditions. Each truck is equipped with test equipment containing one cycled battery cell and one calendar aged cell. The hybrid strategy used in this test allows battery power and SOC to vary depending on drive pattern within certain limits. Battery capacity and resistance is measured periodically and this makes it possible to receive information about battery ageing without bringing the cells to the lab.
机译:本文介绍了正在进行的重型卡车混合动力汽车电池现场测试的早期结果。呈现的结果集中于会影响老化的参数,例如SOC和功率。这项研究的目的是将电池老化与电池使用量相关联。商业LMO / LTO锂离子电池在四辆Scania卡车上进行了测试。该测试设备通过模拟HEV环境而设计用于常规车辆上的这类HEV电池测试。该概念允许在实际条件下对电池进行不干扰和低成本的测试。每辆卡车都配备了测试设备,其中包含一个循环电池和一个日历老化电池。此测试中使用的混合策略允许电池功率和SOC根据特定范围内的驱动模式而变化。定期测量电池容量和电阻,这使得无需将电池带到实验室就可以接收有关电池老化的信息。

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  • 来源
  • 会议地点 Boston MA(US)
  • 作者单位

    School of Chemical Science and Engineering, Department of Chemical Engineering and Technology, Applied Electrochemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden,Scania CV AB, SE-151 87 Sodertalje,Stockholm, Sweden;

    Scania CV AB, SE-151 87 Sodertalje,Stockholm, Sweden;

    School of Chemical Science and Engineering, Department of Chemical Engineering and Technology, Applied Electrochemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden;

    School of Chemical Science and Engineering, Department of Chemical Engineering and Technology, Applied Electrochemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden;

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  • 正文语种 eng
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