Customization: | Available |
---|---|
Cathode Materials: | Nca |
Type: | Electrolyte |
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No. | Item | Unit | Standard | Value | OK/NG | Testing method | |
1 | Appearance | N.A | Black powder | Black powder | OK | Through eye | |
2 | Tap density | g/cm3 | ≥2.4 | 2.73 | OK | MicromeriticsGeoPyc 1360 | |
3 | Compaction density | g/cm3 | ≥3.5 | 3.62 | OK | Carver | |
4 | Moisture | ppm | ≤600 | 424.9 | OK | Metrohm 830-860 (250ºC) | |
5. | particle size | D10 | um | 5.5±2.0 | 6.09 | OK | Malvern Instrumnts Ltd MASTERSIZER2000 |
D50 | um | 11.5±2.0 | 11.75 | OK | |||
D90 | um | 21.0±4.0 | 21.38 | OK | |||
6 | pH | N.A | ≤11.7 | 11.34 | OK | METTLER TOLEDO FE30 | |
7 | specific surface area | m2/g | 2.2±0.5 | 1.78 | OK | MicromeriticsTristar 3000 | |
8 | Total magnetic substance | ppb | ≤100 | 46 | OK | ICP | |
9 | efficiency | % | ≥87 | 89.65 | OK | CR2016 Coin Cell Evaluating (0.1C/0.1C. 3.0-4.3V vs Li+/Li) |
|
Capacity | mAh/g | ≥200 | 204.7 | OK | |||
10 | Ni+Co+Al | Wt% | 59±1.0 | 59.01 | OK | AAS+ICP | |
11 | Al | Wt% | 0.9±0.3 | 0.99 | OK | ICP | |
12 | Li | Wt% | 7.1±0.3 | 7.14 | OK | AAS | |
13 | Fe | ppm | ≤50 | 16.23 | OK | ICP |
|
14 | Na | ppm | ≤200 | 41.05 | OK | ||
15 | Ca | ppm | ≤200 | 44.22 | OK | ||
16 | Cu | ppm | ≤50 | 6.74 | OK | ||
17 | S | ppm | ≤1500 | 85.65 | OK | ||
18 | Net weight per box | Kg | 25±0.02 | 25 | OK | Electronic Scale |