A positive electrode MATERIAL with PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC method meets the following characteristics (1) ~ (2) : (1)0.65≤α≤1.25, where α = (dv90-dv10)/dv50; dv90, dv10 and dv50 are the particle size distribution parameters of the positive electrode material, respectively. (2)1≤β≤1.1, where β is the average value of the ratio of the long axis length to the short axis length of the positive electrode material within the size distribution range of dv50. In the embodiment, α = (dv90-dv10)/dv50, in which dv50 is usually considered the standard particle size,
When the ratio of (DV90-DV10)/dv50 is near 1, it means that dv10 is very small and close to zero. At the same time, it means that dv90 is close to dv50, it means that the particle size of positive electrode materials in the dv90 range is close to the standard particle size, and a small number of positive electrode materials have very small particle size. PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC field after iron removal, the particle size distribution of the cathode material is concentrated and uniform, and contains fewer small particle size particles.
β is the average value of the ratio of the long axis length to the short axis length of the spheroids in the size distribution range of dv50. When β is close to 1, it indicates that the spheroids in the size distribution range of PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC field are close to the spheroids except for iron dv50. The positive material is basically a sphere of regular shape,
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