Silicon-based anode materials have a high theoretical gram capacity, but they are also easy to mix with iron impurities in the production process. The chemical properties of silicon-based materials are relatively active. In the process of PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC iron removal screening, the chemical reaction between iron removal equipment and silicon-based materials should be avoided. Some acidic iron removal reagents may react with silicon and so they cannot be used.
At the same time, the particle structure of silicon-based materials is relatively fragile, in the process of iron removal. Compared with carbon anode materials, the PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC iron removal screen of silicon-based anode materials requires more moderate and accurate methods. The mesphase carbon microspheres have a near spherical particle shape and have a relatively smooth surface. In the iron removal screening process, the iron impurities mainly attach to the surface.
Because of its relatively uniform particle size, the screening process is relatively simple. However, the density of the intermediate phase carbon microspheres may be close to the iron impurities, and the iron removal screen based solely on the density difference may not be effective, and the PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC iron removal method is needed.
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