电动汽车毫无疑问具有节能环保、降低油耗等优点。电动汽车从油井到车轮的效率是普通内燃机汽车的3倍。随着锂电池的性能提升和成本下降,电动汽车市场具有了更大潜力。国际汽车巨头以及我国一些汽车企业也纷纷推出纯电动汽车或插电式电动汽车:如通用的沃蓝达(Volt),日产的聆风(Leaf),比亚迪的E6,力帆LF620EV等。目前电动汽车的普及主要面临成本、可靠性、续驶里程等方面的问题。 There is no doubt that electric vehicles with energy saving, lower fuel consumption and other advantages. Electric cars from the well to the wheel efficiency is three times the normal internal combustion engine car. With the lithium battery performance improvement and cost reduction, the electric car market has greater potential. International auto giants and some Chinese auto companies have also launched pure electric vehicles or plug-in electric vehicles such as GM Volt, Nissan Leaf, BYD E6, Lifan LF620EV and so on. At present, the popularity of electric vehicles mainly faces the cost, reliability, driving range and other issues.