▎ 摘　　要

NOVELTY - Fast-charging lithium-ion battery comprises battery negative electrode sheet, battery positive electrode sheet, battery diaphragm, battery casing inside and battery electrolyte, where the battery negative electrode sheet, battery positive electrode sheet and battery separator are stacked or wound, packaged in battery case, and battery electrolyte is contained in the battery case, the battery negative electrode sheet comprises middle copper foil layer, first negative electrode active powder layer, super conductive agent layer and second negative electrode active powder layer, the upper surface and the lower surface of the middle copper foil layer are symmetrically provided with first negative electrode active powder layer, super conductive agent layer and second negative electrode active powder layer, and the super conductive agent layer is located between the first negative electrode active powder material layer and the second negative electrode active powder material layer. USE - As fast-charging lithium-ion battery. ADVANTAGE - The battery uses super conductive agent layer and second negative electrode active powder layer to improve rate performance and cycle performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for manufacturing a negative electrode sheet of battery, involving (i) using copper foil layer as intermediate layer, and coating first negative electrode slurry on upper surface and lower surface of copper foil layer, (ii) coating super conductive slurry on surface of first negative electrode slurry on upper surface of copper foil layer, and coating super conductive slurry on surface of first negative electrode slurry on lower surface of copper foil layer, (iii) coating second negative electrode slurry on surface of super conductive slurry far from the copper foil layer to obtain a negative electrode sheet, and (iv) rolling, slitting, winding, assembling, injecting, and forming the negative electrode sheet into a battery negative sheet.