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Lifetime simulation of different lithium-ion batteries for vehicle-to-grid application

机译:车联网应用中不同锂离子电池的寿命仿真

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This work presents an electrical equivalent circuit model for plug-in (hybrid) electric vehicles. The model features ageing dependent parameter adaption to facilitate the simulation of ageing influences on batteries. An ageing approach based on Arrhenius' law for the standstill time and a cubic equation for transfered charge was used for making the model capable of vehicle simulations with high percentages of idle phases during their lifetime. In this case, the additional ageing through vehicle to grid use of the battery is investigated. Therefore, the model was parameterized with the data from two off-the-shelf large scale automotive cells and one generic value cell based on warranty data of commercial vehicles for comparison. Five different energy-intensive user scenarios are simulated giving lifetime values for applications with and without three different vehicle to grid modes. The cost resulting through the reduced lifetime is calculated and the first cost for the regulating energy is derived from these values.
机译:这项工作提出了一种用于插电式(混合动力)电动汽车的等效电路模型。该模型具有与老化有关的参数自适应功能,以简化对电池老化影响的仿真。使用基于阿伦尼乌斯(Arrhenius)律的停顿时间和转移电荷的三次方程式的老化方法,使该模型能够在车辆生命周期中以高百分比的空载阶段进行车辆仿真。在这种情况下,研究了车辆因使用电池到电网而造成的额外老化。因此,该模型使用来自两个现成的大型汽车电池和一个通用价值电池的数据进行参数化,该数据基于商用车的保修数据进行比较。模拟了五种不同的能源密集型用户场景,为有和没有三种不同的车辆到电网模式的应用提供了使用寿命值。计算出由于寿命缩短而产生的成本,并从这些值中得出调节能量的第一成本。

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