1.Consumer electronics: Lithium-ion batteries are widely used in portable devices such as smartphones, laptops, tablets, and wireless headphones to meet the needs of high energy density and lightness. 2.Electric vehicles: Lithium-ion batteries are the core power source of electric vehicles, and their high energy density and long endurance have promoted the popularization of new energy vehicles. 3.Energy storage systems: Lithium-ion batteries are used for home energy storage, grid peak shaving, and renewable energy storage to help 4.balance power supply and demand Industrial equipment: Fields such as drones, power tools, and medical devices also rely on lithium-ion batteries for efficient energy.