The negative electrode of lithium-ion battery generally uses graphite MATERIAL, the use of PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC for iron removal, good electrical conductivity, the high power density, high rate discharge performance is mainly limited by the positive electrode material, positive electrode material good conductivity, large specific surface area, The electrode deembedding reaction speed is fast, so the high rate discharge performance of lithium battery will be greatly improved.
The mass specific content of each raw material in the preparation method of graphite material is as follows: positive active material 91.5%, conductive agent 6.5%, binder 2%; The amount of solvent is 105% ~ 115% of the total mass of multiple components. The conductive agent is a slurry, which is composed of a mass ratio of 1:3:5:1 conductive graphite, carbon nanotubes and methylated pyrolytic mixture, mixed evenly and sealed. Graphite materials can be removed from iron using PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC.
The positive active material is the binary material in which the meter is drilled out of the acid, and the molar ratio of the binary material is 1:1: Io
Preferably, the PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC active material for iron removal is roasted by vacuum at 120°C before mixing. During the preparation process, if the slurry temperature is higher than 60°C, the cooling water should be turned on for circulation cooling.
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