新能源汽车技术现状及发展趋势

Technology Status and Development Trend of New Energy Vehicle

文章针对国内外新能源汽车三大类型及其关键核心技术,总结了其研究现状和发展趋势。在纯电动汽车及其关键技术研究方面,进一步提高动力电池的功率密度、电池管理系统的响应性以及驱动电机的集成化;在混合动力系统研究方面,转矩耦合、功率耦合以及能量协同管理上需加快研究;在燃料电池汽车研究方面,电堆的高性能及长寿命、空气/氢气供给系统的关键零部件研发和散热系统的研究是其发展的重要方向。

According to the three types of new energy vehicles and their key core technologies at home and abroad,this paper summarizes their research status and development trend.In the research of pure electric vehicle and its key technologies,further improve the power density of power battery,the responsiveness of battery management system and the integration of drive motor.In the research of hybrid power system,the research on torque coupling,power coupling and energy synergy management needs to be accelerated.In the research of fuel cell vehicles,the high performance and long life of the stack,the research and development of the key components of the air/hydrogen supply system and the research of the cooling system are the primary tasks of its development.