After mixing the resulting material with the modifying agent titanium dioxide, modified by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC in a closed environment of 0.01~0.1mpa and room temperature; graphitization: the modified material is graphitized at 2500 under the atmosphere protected by inert gas;
Screening: the graphitized material is screened in the high frequency vibrating screen, so that the powder particles of the graphite cathode material prepared by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC are in a loose state to avoid the agglomeration of the particles. Break roller crusher. Pmill is mill for crushing. The sorter is the frequency conversion wind sorter.
The magnetic separator is the permanent magnet PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC. After graded mixing, the obtained materials are transported to the magnetic separator for magnetic separation to remove the material itself and ferromagnetic impurities that may be introduced during production treatment; the amount of modifier titanium dioxide is 0.1 ‰ of the value of the material mass to be treated. Titanium dioxide makes the prepared artificial graphite anode material present a certain mesoporous structure, so as to have better particle adsorption performance and electrical performance, but also improve the production efficiency of graphitization.
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