In recent years, China has vigorously developed new energy vehicles and formulated corresponding policies, production of new energy vehicles exceeded 3.5 million in 2021. As a fundamental part of new energy vehicles, batteries are extremely important, and there are already hundreds of companies producing and supplying power batteries in China. With the progress of new energy vehicle technology, the products are more abundant and diversified. Chinese new energy vehicles mainly include four categories: hybrid electric vehicles (HEV), pure electric vehicles (PEV), fuel cell electric vehicles (FCEV), and other new energy vehicles.

