The precursor powder was uniformly mixed by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC magnetic method. The precursor powder was placed in a Muffle furnace and subjected to 15l/min air heat treatment for 15h at 900℃. The precursor powder after heat treatment was ground to obtain the layered oxide material.
The properties of sodium ion cathode materials prepared by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC were tested. Scanning images were used to observe and characterize the morphology of the sodium ion cathode material, the length and thickness of the flake particles, and the spheroid long axis and short axis tests were directly calibrated after testing. The particle size distribution of dv90, dv50 and dv10 was tested by Malvern particle size analyzer. The shading rate was 60-80%, the refractive index was 2.0, and the dispersing medium was water.
The electrochemical properties of cathode materials prepared by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC field were evaluated by button half battery. The specific methods are as follows: Sodium ion cathode material, conductive carbon black super p and polyvinylidene fluoride (pvdf) were weighed according to the mass ratio of 90:5:5, and N-methylpyrrolidone (nmp) was added according to the solid content of 50%. The slurry was prepared by a high-speed disperser and evenly coated on aluminum foil with a scraper. After drying in an oven at 100℃, a dry positive electrode sheet was obtained.
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