China is the leading force of new energy vehicles in the world. Power batteries are the "heart" of new energy vehicles. The ternary precursor is the energy source of power batteries, which directly determines the performance of power batteries. High-nickel ternary batteries are widely recognized as the main direction of new energy materials for new energy vehicles, mobile phones, computers, energy storage power stations and other fields due to their high energy density, good cycle performance, and relatively low price. .