Manganese tetroxide
Both trimanganese tetroxide and lithium manganate have a spinel structure, which can greatly improve the electrochemical performance of lithium manganate cathode materials. Battery-grade manganese tetroxide is a precursor developed by our company for lithium manganate, a cathode material for lithium-ion batteries.
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Manganese tetroxide
Both trimanganese tetroxide and lithium manganate have a spinel structure, which can greatly improve the electrochemical performance of lithium manganate cathode materials. Battery-grade trimanganese tetroxide is a precursor developed by our company for lithium manganese oxide, a cathode material for lithium-ion batteries. It has the following advantages:
(1) The product has high purity (Mn3O4%≧99.0%) and low impurity content (Fe%≦200ppm, and exists as oxides);
(2) The specific surface area is small (the specific surface area is less than 2m2/g);
(3) Large tap density (up to 2.3g/cm3);
(4) It has a spherical morphology.
|
Project |
Range value |
Typical value |
Test method |
|
|
Physical indicators |
D50 |
10.0~15.0 |
12 |
Laser particle size analyzer |
|
BET(m2/g) |
≤2.00 |
1.56 |
Specific surface tester |
|
|
Tap density |
≥2.00 |
2.1 |
|
|
|
Chemical indicators |
Main content |
≥99.0 |
|
Calculated value |
|
Mn(%) |
71.0~71.5 |
71.4 |
Volume method |
|
|
H2O(%) |
≤0.50 |
0.30 |
Weight method |
|
|
SO42-(%) |
≤ |
|
Combustion method |
|
|
Fe(ppm) |
≤200 |
96 |
Photometric method |
|
|
K2O(ppm) |
≤10 |
1 |
Atomic absorption method |
|
|
Na2O(ppm) |
≤20 |
9 |
Atomic absorption method |
|
|
CaO(ppm) |
≤10 |
5 |
Atomic absorption method |
|
|
MgO(ppm) |
≤20 |
13 |
Atomic absorption method |
|
|
Cr2O3(ppm) |
≤20 |
12 |
Photometric method |
|
|
Ni(ppm) |
≤20 |
18 |
ICP |
|
|
Co(ppm) |
≤20 |
13 |
ICP |
|
|
Pb(ppm) |
≤15 |
12 |
ICP |
|
|
Cu(ppm) |
≤50 |
20 |
ICP |
|
|
Zn(ppm) |
N.D. |
N.D. |
ICP |
|
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