The sodium ion cathode MATERIAL prepared by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC technology is spheroid. Because the flake particles formed by agglomeration are uniform in size, the spheroid shape is regular (the range of sphericity regularity β is 1≤β≤1.1). The size is uniform (the range of particle size distribution concentration α is 0.65≤α≤1.25),
Therefore, compared with the sodium ion cathode MATERIAL with irregular shape and wide particle size distribution of the existing PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC technology, it has higher specific surface area, lower vibration density and better processing performance. Another embodiment of a positive electrode material comprises a plurality of lamellar particles whose orientation distribution consistency parameter γ ranges from 0.73≤γ < 1.
Where, n is the number of sheet particles on the positive electrode MATERIAL with PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC field selected for calculation within the size distribution range of dv50, n≥10; θi is the anti-clockwise Angle between the length direction of the selected i flake particle and the set horizontal axis, and δ is the rotation Angle relative to the set horizontal axis when the set horizontal axis is rotated within the range [-π/2,π/2].
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