▎ 摘　　要

NOVELTY - The method involves adding the prepared material slurry positive electrode negative electrode slurry into the slurry groove of the coating machine. The degreased and impurity is removed by the ultrasonic flow field after the surface of the aluminum foil is cleaned. The aluminum foil is drilled with a laser beam to form a copper (Cu)-three-dimensional (3DF) negative electrode current collector substrate with a uniform pore size distribution. A layer of compact and smooth positive electrode smooth electrode material layer or negative electrode layer is coated on the surface of the aluminum (Al)-3DF or the copper foil. A layer is formed. A layer of positive electrode material slurry or negative electrode material slurry is coated on the two surfaces of the 3DF positive and negative electrode sheets that have been coated in the first stage. The required 3DF positive and negative electrode pole pieces are made after being compacted by a pole piece film tying machine. USE - Method for preparing lithium ion battery electrode pole portion. Uses include but are not limited to video camera, digital camera, mobile phone, notebook computer, electric automobile, space technology and national defense industry. ADVANTAGE - The method is capable of optimizing lithium ion battery performance and improving the market competitiveness. The lithium ion power battery completely solves the problem of fast charging and discharging and battery heating, it can realize charging speed of the battery in 6 minutes, and greatly enhance the consistency and stability and service life of battery, the production cost is reduced by about 30 %. The method reduces the dosage of conductive agent and adhesive in the slurry, increase the utilization rate of the electrode active material, reduce the internal resistance of battery and relatively reduce the production raw material cost of battery. Thus, the direct material can be reduced by 10% and the production costs are reduced by 20% and high reliability is improved. DESCRIPTION OF DRAWING(S) - The drawing shows the schematic diagram of the Al-3DF collecting substrate.