The aggravation of environmental problems caused by vehicle emissions and the global energy crisis are gathering more and more attention around the world. China’s State Council issued Made in China 2025, proposing NEV as a key area of development and clearly continuing to support the development of electric vehicles, to grasp the development strategy of low carbon vehicles, information, and intelligent core technology. Other countries like Germany, Britain and France have announced to ban the selling of steam diesel vehicles. Meanwhile, Some OEM giants like BMW, Volkswagen, Volvo and General Motors also have proposed their NEV strategies. Electrified, intelligent & connected and lightweight vehicle has become the main trend for automotive development and experienced explosive growth in recent years.