摘要
为研发车用燃料电池动力系统,对国产与国外主要车企产品进行对比。存在主要差距有:1)国产燃料电池动力系统的输出功率和效率偏低;2)电堆功率密度不高;3)空压机的开发不足。因而,国产化燃料电池动力系统的研发方向包括:提高燃料电池的功率输出和空压机的性能,使燃料电池动力系统工作在高效区,以提高整车性能;改进操作条件和材料,提高电堆电池反应面积和单位面积上的电压,以提高电堆功率密度;实现空压机的低载低压和高载高压,扩展空压机的喘振线范围,以实现高速高效。
The fuel cell stacks from domestic suppliers and international suppliers were compared to develop a durable and reliable fuel cell system for domestic fuel cell car. The main disadvantages of the fuel cell system from domestic suppliers were summarized as following： 1） fuel cell system having lower output power with lower efficiency; 2） Fuel cell stack having lower power density; and 3） Air compressor development lag behind. Therefore, research and development work for domestic fuel cell system should be focused on the following aspects： 1） to enhance the fuel cell stack power output and the performance of the air compressor to greatly improve vehicle performances by operating the fuel cell system in the high efficiency area; 2） to optimize the system operation condition and the material properties of key components to greatly improve the stack power density; 3） to realize operating air compressor under low pressure for low power output, and high pressure for high power output; 4） to elevate the air compressor surge line to operate the air compressor with high efficiency and high rotation speed.
出处
《汽车安全与节能学报》
CAS
CSCD
2015年第3期286-290,共5页
Journal of Automotive Safety and Energy
关键词
燃料电池动力系统
国产化
电堆
功率密度
空压机
fuel cell power system
domestic manufacturing
fuel cell stack
power density
air compressor
