▎ 摘　　要

NOVELTY - Preparing high voltage lithium ion battery collecting body, comprises (i) dispersing carbon-based material into the dispersant-alcohol solution and ultrasonically mixing to obtain a carbon-based material mixture according to the mass ratio of 1: (100-500); (ii) adding a slurry solvent to the carbon substrate mixture according to the mass ratio of 1: (10-70), heating and evaporating the solvent to obtain carbon-based slurry; and (iii)compounding the carbon-based slurry on the anode current collector, and thermally annealing to obtain a high-voltage lithium ion battery current collector with a protective layer attached to the anode current collector. USE - The collecting body is useful for high voltage lithium ion battery anode material, preferably LiNi0.5Mn1.5O4, lithium cobalt oxide, lithium iron phosphate battery, lithium-rich (LixMnyOz) or lithium vanadium phosphate (claimed). ADVANTAGE - The method enables to prepare high voltage lithium ion battery that has excellent electrochemical stability of carbon, prevents corrosion of the current collector, and provides stable operation of the battery. The carbon-based slurry has uniform coating carbon material of the positive current collector surface, which is good for blocking the entering of the hydrofluoric acid, so as to prevent the corrosion of current collector. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for high-voltage lithium-ion battery current collector.