纯电动汽车的优缺点及发展制约

纯电动汽车以电动机代替内燃机，噪声低、无污染，使用单一的电能源，而电能来源广泛。但是由于技术、电池、能源以及配套设施等方面制约，文章认为纯电动汽车的发展还需要一段很长的路要走。

Advantages and disadvantages, development constraints of pure electric vehicles

Electric motor is instead of internal combustion engine in pure electric vehicles, with the advantages as low noise, no pollution and using single electric energy which sources is widely. However, due to the constraints of technology, battery, energy, supporting facilities and etc., the author believe that development of pure electric vehicles need a very long way to go.