【摘要】 动力电池的安全性是新能源电动汽车研究领域的一个重要研究课题,其严格的工作过程和运行状态对动力电池性能和寿命的影响至关重要。介绍了新能源电动汽车的混合动力系统,阐述了目前动力电池的性能,分析了动力电池的数学建模和安全性问题,并建立了基于工作机理的动力电池的压力模型。研究结果为动力电池长期稳定工作的安全性提供了一个实际工程应用模型。更多还原

【Abstract】 Safety of power battery is an important topic in the research of new energy electric vehicle.The strict operating process and running status greatly influence the performance and lifespan.To deal with this problem,a hybrid power system of new energy electric vehicle is introduced,and performance of the power battery studied.Mathematical modeling and safety of the power battery are analyzed.A pressure model of the power battery based on working mechanisms is established.The results provide a suitable engineering model of power battery safety in view of application.更多还原