Details
The material needs to be vacuum sealed for storage
The material is prone to water absorption, and humidity control is required throughout the entire production process
The electrolyte used during testing is 5V high-voltage electrolyte (KLD-5V06)
Baking conditions for polarizer: Bake at 85 ℃ for 4 hours
Lithium ion cathode electrode material has the characteristics of high energy density and wide voltage range
Physical and chemical properties
|
Test Items |
Unit |
Specilication |
Measured Result |
Test Method or |
|
|
Chemical |
Li |
(wt%) |
9.0±1.0 |
9.55 |
ICP |
|
Me |
(wt%) |
53.0±1.0 |
53.1 |
Me represents the total metallic content of nickel, cobalt, and manganese; the specific nickel-cobalt-manganese ratio is unknown and subject to technical confidentiality. |
|
|
Na |
(ppm) |
≤300 |
182.0 |
ICP |
|
|
Ca |
(ppm) |
≤150 |
62.2 |
||
|
Fe |
(ppm) |
≤50 |
28.6 |
||
|
Cu |
(ppm) |
≤25 |
6.2 |
||
|
Zn |
(ppm) |
≤25 |
2.1 |
||
|
S |
(ppm) |
≤3000 |
2012.8 |
||
|
Magnetic |
(ppb) |
≤50 |
14.8 |
||
|
Physical |
D10 |
(μm) |
≥3.0 |
6.622 |
Laser particle size analyzer |
|
D50 |
(μm) |
7.0+1.4 |
7.082 |
||
|
D90 |
(μm) |
≤18.0 |
14.325 |
||
|
BET |
(m2/g) |
1.0±0.5 |
1.05 |
Automatic specific surface |
|
|
TD |
（g/cm3） |
≥1.4 |
1.62 |
Tap density meter |
|
|
PH |
/ |
<12.0 |
11.62 |
pH meter |
|
|
Moisture |
(ppm) |
≤800 |
402.0 |
Moisture analyzer |
|
|
Elecuochemical |
Iitial |
(mAh/g) |
≥230.0 |
250.0 |
CR2032 |
|
Initial efficiency |
(%) |
≥78.0 |
80.0 |
||
Half battery test
SEM：
