Battery Cathode Material NMC 811

SPECIFICATIONS

Item

Unit

Standard

Value

Chemical composition

Co+Ni+Mn

wt%

57.00-59.50

58.73

Li

wt%

7.30-7.65

7.4

Fe

wt%

≤0.0050

0.0020

Cu

wt%

≤0.0050

0.0009

Ca

wt%

≤0.0200

0.0017

Na

wt%

≤0.0300

0.0129

Zn

wt%

≤0.0200

0.0004

PH

-

11.40-12.00

11.80

H2O

wt%

≤0.0400

0.0200

Physical indicators

Tap density

g/cm3

≥2.2

2.45

Bulk Density

g/cm3

≥1.2

1.40

Specific surface area

m2/g

0.15-0.40

0.25

D10

um

≥5.00

7.01

D50

um

11.00-15.00

12.99

D90

um

≤40.00

24.22

Crystal structure

-

No impurity

ok

Micro topography

-

Class spherical

ok

Appearance

-

Gray-black

ok

Electrochemical performance

Coulomb efficiency (0.1C)

%

-

≥86%

0.1C

mAh/g

-

≥178

0.5C

mAh/g

-

≥172

1.0C

mAh/g

-

≥165

3.6V Platform

%

-

≥50%

100 cycle capacity remain rate

%

-

≥97%

200 cycle capacity remain rate

%

-

≥96%

300 cycle capacity remain rate

%

-

≥94%