新能源汽车电池管理方法综述

Research on Battery Management System of New Energy Vehicles

电池管理系统作为电动汽车的重要组成部分,其中准确估测荷电状态(SOC)和电池均衡管理是电池管理系统的核心功能,也是优化系统能量管理,提高动力电池的使用效率,延长电池使用寿命的关键,对电池的储能至关重要。详细介绍主要SOC的估测方法和电池均衡管理方法,并对其优劣性进行分析与阐述,通过文献综述与对比分析为电池组在使用时提出理论依据与维护措施,为未来的研究提供便捷研究方法。

Battery management system is an important part of electric vehicles.Therefore,it is crucial to obtain an accurate estimation of state of charge(SOC)and an efficient battery balance management,since they are the core functions of battery management system.Moreover,they are very important to the battery energy storage,and also the key elements to optimize the system energy management and improve the efficiency of power battery so as to extend the service life of battery.The main SOC estimation methods and battery balanced management methods are introduced in detail,and their advantages and disadvantages are analyzed and elaborated through literature review and comparative analysis.Besides the theoretical basis and maintenance measures are put forward for the battery pack in use,which provides convenient research methods for future research.