Preparation of thickening agent solution PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC: the thickening agent sodium carboxymethyl cellulose (CMC) was added to deionized water solvent in a certain proportion, dissolved evenly with a blender, and removed for use, the time was 60~100 minutes; Dispersion powder: the graphite and conductive agent are added to the stirring bucket in proportion to stir and disperse, the time is 30 to 40 minutes, and at the end of 1/2 of the time, scrape the powder on the stirring paddle and the barrel;
High viscosity stirring: Add 55%~60% of the total amount of PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC thickener solution to the stirred powder, stir and disperse, the time is 60~70 minutes, and scrape the slurry on the mixing paddle and barrel at the end of 1/3, 2/3 and 2/3 of the time. Slurry temperature control between 25~35°C; Low viscosity mixing: add 35~30% of the total thickener solution to the slurry after high viscosity mixing, stirring and dispersing, the time is 60~70 minutes.
At the end of 1/3, 2/3 and the end of the time, scrape the slurry on the mixing paddle and the barrel body, and the temperature of the slurry for iron removal is controlled between 25 and 35°C; Viscosity test: test the viscosity of the slurry with low viscosity mixing in the above steps, such as in the normal range of 2000~ 5000Mpa, directly enter the next step;
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