The invention relates to the technical field of battery thermal state estimation, in particular to a power battery temperature prediction method and device, a vehicle and a storage medium, and the method comprises the steps: obtaining the current battery parameters of a power battery; performing simulation according to the current battery parameters to obtain a battery model of the power battery, and identifying a relation coefficient related to the temperature in the model parameters of the battery model; and predicting the temperature of the power battery at the estimation moment according to the relation coefficient and the current battery parameter. Therefore, the problems that in the prior art, the working condition of a battery management system algorithm is not considered to be more complex, and part of thermal parameters cannot be simply calculated when a battery is integrated into a battery pack are solved.
本申请涉及电池热学状态估计技术领域,特别涉及一种动力电池温度预测方法、装置、车辆及存储介质,其中,方法包括:获取动力电池的当前电池参数;根据当前电池参数进行仿真得到动力电池的电池模型,并辨识电池模型的模型参数中与温度相关的关系系数;根据关系系数和当前电池参数预测动力电池在预估时刻的温度。由此,解决了现有技术中未考虑到电池管理系统算法面临的工况更加复杂,电池集成为电池包时部分热学参数无法简单计算等问题。
Power battery temperature prediction method and device, vehicle and storage medium
动力电池温度预测方法、装置、车辆及存储介质
2023-09-19
Patent
Electronic Resource
Chinese
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