我国电动汽车的能效与经济性分析

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摘 要：本文通过对比电动汽车和内燃机汽油车的热效率及能耗，得出电动汽车的热效率及能耗明显优于内燃机汽油车的结论，明确了电动汽车的特点、作用等，以期为该领域提供一定参考。

关键词：电动汽车 能效 经济性

Abstract：By comparing the thermal efficiency and energy consumption of electric vehicles and internal combustion engine gasoline vehicles， this paper concludes that the thermal efficiency and energy consumption of electric vehicles are significantly better than those of internal combustion engine gasoline vehicles， and clarifies the characteristics and functions of electric vehicles， to provide some reference for this field.

Key words：electric vehicles， energy efficiency， economy

电动汽车和内燃机汽车最大的区别在于它们的动力系统不同，电动汽车的动力系统主要由电池、电机、个别品牌的电动汽车还有变速器等高压系统所组成[1]。（剩余4229字）