Spherical graphite

micro-spherical-graphite

Spherical graphiteSpherical graphite also known as battery-grade graphite, is the product that is consumed as an anode in lithium-ion batteries. Flake graphite concentrate is processed into ultra-high-purity (>99.95% C), microscopic (15 to 5 microns) spheres, which are used as a battery anode material.

This decreases the surface area, to allow more graphite into a smaller volume thus creating a smaller, lighter, more efficient anode product for the battery. It also increases the rate at which the cell can be charged.

Spherical graphite specification:

distribution of particle size um

carbon content moisture tap density specific area

iron

content

D10 D50 D90 ≥% ≤% ≥g/ml ≤m2/g ≤ppm
BWG12 ≥8 11-13 ≤19 99.95 0.1 0.9 7.5 50
BWG15 ≥9 14-16 ≤26 99.95 0.1 1 6.8 50
BWG17 ≥10 16-18 ≤29 99.95 0.1 1 6.5 50
BWG18 ≥11 17-19 ≤31 99.95 0.1 1 6 50
BWG20 ≥12 19-23 ≤35 99.95 0.1 0.98 5 50
BWG25 ≥14 24-28 ≤39 99.95 0.1 0.95 4.5 50

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