Item Specification Typical Inspection methodTap Density(g/cm3) 1.2-1.5 1.3 Tapping apparatusAverage particle size (μm) D10 ≥0.5 0.6 Malvern Laser Diffraction Particle Analyzer D50 2.00-3.00 2.5 D90 ≤10 7.1 Specific surface area (SSA) (m2/g) 12-13 12 BETPlasmid Type Spherical Particle OK SEMC% 1.4-1.8 1.5 CalculationLi% 4.33-4.34 4.33 CalculationP% 19.33-19.35 19.33 CalculationFe% 34.87-34.91 34.88 CalculationWater content(%) ≤0.3 0.24 GB/6284-86Electrochemical Characteristics The maximum diacharge capacity of the three cycles ≥145mAh/g(28℃�℃) 145 Half cell Coulomblic effiency for the first time ≥95% 98% Half cell