我國(guó)電動(dòng)汽車的能效與經(jīng)濟(jì)性分析

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摘 要：本文通過(guò)對(duì)比電動(dòng)汽車和內(nèi)燃機(jī)汽油車的熱效率及能耗，得出電動(dòng)汽車的熱效率及能耗明顯優(yōu)于內(nèi)燃機(jī)汽油車的結(jié)論，明確了電動(dòng)汽車的特點(diǎn)、作用等，以期為該領(lǐng)域提供一定參考。

關(guān)鍵詞：電動(dòng)汽車 能效 經(jīng)濟(jì)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

電動(dòng)汽車和內(nèi)燃機(jī)汽車最大的區(qū)別在于它們的動(dòng)力系統(tǒng)不同，電動(dòng)汽車的動(dòng)力系統(tǒng)主要由電池、電機(jī)、個(gè)別品牌的電動(dòng)汽車還有變速器等高壓系統(tǒng)所組成[1]。（剩余4229字）