Once the third solution and the first solution are mixed, a coprecipitation reaction begins, The temperature of the reaction solution, the stirring rate, the concentration of each reactant, the relative injection rate of the first solution and the third solution can be controlled by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC field to control the co-precipitation reaction speed and the morphology and size of the product nickel-iron-manganese based precursor.
The first solution and the third solution can be injected into the reaction vessel at the same time, or the third solution can be injected into the PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC reaction vessel first, and then gradually injected into the first solution under stirring conditions, or the first solution can be injected into the reaction vessel first. Then the third solution is gradually injected under stirring conditions. The temperature range of the reaction solution is 50℃ ~ 60℃.
The stirring rate of the reaction solution ranges from 400rpm to 900rpm. The particle size of the Ni-Fe-Mn base precursor precipitates is 5μm ~ 11μm, and the particle size range of the sodium ion cathode MATERIAL is controlled by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC. First, the third solution is injected into the reaction vessel, and then the first solution is gradually injected into the reaction vessel, and the injection rate of the first solution is to fill the reaction vessel within 10h-15h.
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