The invention discloses a lithium battery-super capacitor composite range extending system and an energy management method, and relates to the field of new energy automobiles, in particular to a composite range extending system and an energy management method. The composite energy system is composed of a range extending system, a power battery system and a power system, the high energy density of a lithium battery and the high power density of a super capacitor are combined, an energy storage system capable of being compatible with the performance characteristics of the lithium battery and the super capacitor is built, the working mode of a range extender is planned as a whole, and an energy flowing structure of a range extending vehicle is designed; and better energy management is realized through a specified control strategy. Therefore, the purposes of prolonging the service life of the whole vehicle, improving the energy utilization rate, saving energy and protecting environment are achieved.
本发明公开了一种锂电池‑超级电容复合增程系统及能量管理方法,涉及新能源汽车领域,具体涉及一种考虑复合增程系统及能量管理方法。本发明所述的复合能量系统由增程系统、动力电池系统与动力系统,结合锂电池的高能量密度与超级电容的高功率密度,搭建能够兼容两者性能特点的储能系统,统筹增程器的工作方式,设计了增程式车辆的能量流动结构,并通过指定控制策略实现更优的能量管理。从而实现延长整车使用寿命、提升能源利用率、节能环保的目标。
Lithium battery-super capacitor composite range extending system and energy management method
一种锂电池-超级电容复合增程系统及能量管理方法
2024-08-23
Patent
Electronic Resource
Chinese
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