Items

Specification

Typical value

Remark

Appearance

Gray-black powder, color

uniform, no caking

Gray-black powder, color

uniform, no caking

Visual inspection

Tap density

g/cm3

>1.2

1.42

Tap density tester

 Particle size 

(um)

D10

>0.8

1.8

Omega laser particle size analyzer

D50

3.0-6.5

4.2

D90

<15.0

9.0

First discharge specific capacity

（mAh/g）

>125

133.7

0.1C coin cellVS.Li

(3.5V-4.95V)

First efficiency

>90%

92.90%

0.1C coin cellVS.Li

Compaction density

（g/cm3）

>2.9

3.0

Full battery test