Preparation method of ternary nickel cobalt manganese anode material precursor capable of changing stacking mode of microcrystalline particle
A technology of particle accumulation and positive electrode material is applied in the field of preparation of ternary nickel-cobalt-manganese positive electrode material precursor, which can solve the problems of complicated operation, difficult to meet the existing production and high cost, and achieve high battery capacity, low cost, and guaranteed products. quality effect
Active Publication Date: 2019-03-15
HUAYOU NEW ENERGY TECH (QUZHOU) CO LTD +1
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The invention belongs to the technical field of preparation of anode materials for lithium ion batteries, and particularly relates to a preparation method of a ternary nickel cobalt manganese anode material precursor. The preparation method aims at overcoming the defect of the prior art, and provides the preparation method of the ternary nickel cobalt manganese anode material precursor capable ofchanging the stacking mode of a microcrystalline particle, the precursor prepared according to the method has a regularly arranged ordered structure, and a special inner structure of arranging outwards radially from the center of the particle is formed. A paddle structure of a reaction kettle is mainly improved, the local mixing effect is improved by regulating the form, the diameter, and the number of layers of paddles of the reaction kettle, the number of paddles on each layer, and the distance between the layers, the axial circulating and radial shearing capabilities are strengthened, the degree of supersaturation of the local area is reduced, the microcrystalline is arranged directionally, so that the structure stability of the material is improved, the diffusion rate of the lithium ion is increased, the mixed arrangement of the cation is reduced, and the rate capability and the cycling stability of the anode material are better.
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