Item

Stand

Test result

Appearance

Black powder

Black powder

Specific area (m2/g)

0.2~0.5

0.21

Tap density (g/cm3)

≥2.8

3.282

Chemical component

Co

59~61

59.6

Na

0.002~0.005

0.004

Cu

0.0005~0.001

0.0008

Ca

0.002~0.005

0.003

Li

6.9~7.1

7.01

Moisture (%)

≤0.1

0.05

PH

9~11

10.14

Coin cell capacity(mAh/g)

1C(3.0-4.3V)

≥151

153.61

Particle

size distribution

D10

≥5.5

6.438

D50

9.5~11

10.507

D90

≤20

16.722

Dmax

≤45

30.200