▎ 摘　　要

NOVELTY - A high-nickel cathode-lithium carbon anode lithium-ion battery comprises positive electrode sheet, negative electrode sheet, ceramic separator, electrolyte comprising lithium salt and organic solvent, and battery shell. The lithium-ion battery is made by placing dry battery core into the battery shell and injecting electrolyte to form opening, sealing and dividing volume. The positive electrode sheet is multi-element high-nickel positive electrode plate and the negative electrode sheet is lithium-carbon composite negative electrode plate. The positive electrode sheet is provided with positive electrode plate reserved lug on both sides, and the negative electrode sheet is provided with negative plate reserved lug on both sides. The electrolyte is prepared by mixing lithium salt solution and organic solvent, and the organic solvent is carbonate or carboxylate. The ceramic separator is nano-microporous ceramic separator having high mechanical strength, high porosity and high wettability. USE - High-nickel cathode-lithium carbon anode lithium-ion battery for 3C capacity battery and power and energy storage applications. ADVANTAGE - The lithium-ion battery has mass energy density of up to more than 350 W.hour/kg. DETAILED DESCRIPTION - A high-nickel cathode-lithium carbon anode lithium-ion battery comprises positive electrode sheet, negative electrode sheet, ceramic separator, electrolyte and battery shell. The positive electrode sheet, ceramic separator, negative electrode sheet and ceramic separator are repeatedly stacked in order to form dry battery core. The lithium-ion battery is made by placing dry battery core into the battery shell and injecting electrolyte to form opening, sealing and dividing volume. The positive electrode sheet is multi-element high-nickel positive electrode plate and the negative electrode sheet is lithium-carbon composite negative electrode plate. The positive electrode sheet is provided with positive electrode plate reserved lug on both sides, and the negative electrode sheet is provided with negative plate reserved lug on both sides. The dry battery core comprises positive electrode tab and negative electrode tab, when several of positive electrode sheet are stacked, the positive electrode reserved lugs are aligned with each other and form the multiple positive electrode tab, the multiple positive electrode tab and flat metal foil current collector are welded to form positive electrode tabs. When several of negative electrode sheets are stacked, the negative electrode reserved lugs are aligned with each other and formed into the multiple negative electrode tab, the multiple negative electrode tab and flat metal foil current collector are welded to form negative electrode tabs. The ceramic separator is nano-microporous ceramic separator having high mechanical strength, high porosity and high wettability. The electrolyte is prepared by mixing 0.7-2 mol lithium salt solution and organic solvent, and the organic solvent is carbonate or carboxylate solvent, and the both ends of battery shell are respectively provided with shell positive current collector and shell negative current collector. The positive electrode tabs and negative electrode tabs are respectively connected to shell positive current collector and shell negative current collector. An INDEPENDENT CLAIM is included for preparation of the high-nickel cathode-lithium carbon anode lithium-ion battery, which involves using positive electrode sheet comprising 85-98 %mass positive electrode material, 1-10 %mass conductive agent, 1-15 %mass binder, current collector aluminum mesh, current collector copper mesh, negative electrode sheet comprising 85-98 %mass lithium-carbon composite material, 1-10 %mass conductive agent and 1-15 %mass binder, ceramic separator, electrolyte and battery shell. The positive electrode material comprises lithium-nickel-cobalt manganate, lithium-nickel-cobalt aluminate, and lithium-nickel-manganese aluminate.