NMC Powder

SPECIFICATIONS

Item

Standard

Test result

The analytical methods and instruments

Element content（wt%）

Ni+Mn+Co

≥58.0

58.31

ConsultGB/T15899-1995,HG/T4020

-2008,HG/T2631-2005;Volumetry

Li

7.0~8.0

7.52

Consult

JY/T 015-1996: Inductively coupled plasma atomic emission spectrometry

Na

≤0.03

0.0095

Fe

≤0.01

0.0029

Cu

≤0.005

0.0002

H2O

≤0.05

0.0144

Consult. GB/T 606-2003 C30;Carle Fischer coulometric instrument

Distribution of grain size（μm）

D(10)

≥5.0

6.8

Consult.GB/T19077.1-2008                Mastersizer2000 laser particle analyzer

D(50)

10~14.0

11.72

D(90)

≤25.0

20.076

Electrochemical performance

First discharge efficiency(%)

≥85

86.8

ConsultYS/T798-2012; Button half cell 0.2C,4.2V-2.7V

First discharge capacity(mAh/g)

≥153

154.1-155.1

Physical property

BET(m²/g)

0.2~0.4

0.29

Consult GBT 13390-2008;TriStarⅡspecific surface area

TD（g/cm³）

≥2.3

2.46

Consult GB/T5162-2006;FZS4-4B
Jolt density meter

PH

≤11.5

10.81

Consult GB/T1717-1986;DELTA320PH

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%