Method and device for automatically identifying electrochemical model parameters and storage medium

The invention discloses an electrochemical model parameter automatic identification method and device, and a storage medium. The method comprises the following steps: acquiring electrochemical model parameters of a reference cell; the reference cell and the target cell belong to the same type; adjusting the identification range of the electrochemical model parameters of the target cell according to the electrochemical model parameters and the capacity parameters of the reference cell; the capacity parameter comprises a nominal capacity or a state of charge; and based on the identification range, performing parameter identification on the electrochemical model by adopting a preset identification algorithm to obtain electrochemical model parameters of the target cell. The identification range of the electrochemical model parameters of the target cell can be automatically adjusted, and the parameter identification efficiency is improved. 本申请公开了一种电化学模型参数自动辨识的方法及装置、存储介质，方法包括：获取基准电芯的电化学模型参数；所述基准电芯与目标电芯属于同一类型；根据所述基准