Name

LITHIUM MANGANESE OXIDE 

CAS No.

Formula

LiMn₂O₄

Molecular Weight

180.81

Structure

Density

4.1g/cm³

Melting point

400

Appearance

(Blue-black powder,no lumps, debris)

Chemical properties

,3.54.3 V,148 mAh/g,110 mAh/g,4.28 g/cm3,/0.450.5

a=0.492nm,b=0.8526nm,c=0.9606nm,120mAh/g(Be spinel phase under normal circumstances.Operating 

Voltage is 3.5 ~ 4.3 V,Theoretical specific capacity is148 mA  

h / g while the actual capacity is approximately110 mA  h / g.

Cathode density is 4.28 g/cm3,The lithium /manganese molar 

ratio is0.45to 0.5.

Lattice constant a = 0.492nm, b = 0.8526nm, c = 0.9606nm.Lithium-ion batteries are used in the anode active material.Specific capacity  

120mA  h/g)

(Usage)

(High-performance lithium-ion battery cathode materials)

(Composition)

Content Indicators

Mn(The content of Mn )%

55.6~59.0

The impurity content is not more than)%

Fe

0.010

Cu

0.001

Mg

0.030

Si

0.007

Cd

0.007

Pb

0.007

Na

0.320

H20

0.1

(Particle size distribution)mm

D10

>5.7

D50

15~20

D90

<35

(Tap density)

g/cm3

>2

PH(PH value)

/

<10

(Electrochemical performance )

(Specific capacity)1C(Discharge)

mAh/g

>107

(Compaction density)

G/cm2

>2.90

1C/0.2C

%

>95

(High current efficiency)1C/0.2C(1c discharge/0.2 charge)

%

>95

(Discharge platform)

min

>50

(Normal- temperature cycling performance)

50(weeks)

(Capacity retention rate)93%

100(weeks)

(Capacity retention rate)90%

150(weeks)

(Capacity retention rate)80%