| abstract |
The invention belongs to the technical field of lithium ion battery electrode material, it is related to a kind of method that use ultrasonic atomization technology prepares the spherical tertiary cathode material of porous hollow, this method is first by water-soluble lithium source, nickel source, cobalt source, manganese source and metal-chelator are dissolved in deionized water according to certain ratio, then obtained mixed solution is atomized into droplet using ultrasonic atomizatio instrument, droplet is loaded into high temperature furnace under the auxiliary of pumped vacuum systems, droplet is set to become precursor powder, finally calcined in the atmosphere of air or oxygen, obtain the spherical tertiary cathode material powder of porous hollow.The spherical tertiary cathode material tap density of porous hollow prepared by the present invention is high, and even particle size distribution, excellent electrochemical performance is adapted to industrialized production. |