Customization: | Available |
---|---|
Type: | Li-ion Battery |
Cathode Material: | NCM |
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Item |
Standard |
Results |
Analysis methods and instruments |
Element content(wt%) |
|||
Ni+Mn+Co |
≥57.5 |
58.25 |
Refer to GB/T15899-1995,HG/T4020-2008, HG/T2631-2005: Volumetric method |
Li |
7.0~8.0 |
7.4 |
Refer to JY/T015-1996; General rules for inductively coupled plasma atomic emission spectrometry |
Na |
≤0.030 |
0.0142 |
|
Fe |
≤0.010 |
0.0021 |
|
Cu |
≤0.005 |
N.D. |
|
H2O |
≤0.050 |
0.013 |
Refer to GB/T606-2003: ATF Karl Fischer Coulometer |
Particle size distribution(um) |
|||
D(10) |
≥5.0 |
5.16 |
Refer to GB/T19077.1-2008: Master sizer 3000 laser particle size analyzer |
D(50) |
9.0~12.0 |
9.12 |
|
D(90) |
≤20.0 |
15.07 |
|
Electrical properties |
|||
Effectiveness(%) |
≥85.0 |
87.24 |
Reference YS/T798-2012: Button half battery 0.2C, 4.2V-2.7V |
Gram capacity(mAh/g) |
≥145.0 |
145.4~145.7 |
|
Physical properties |
|||
BET(m2/g) |
0.2~0.4 |
0.246 |
Refer to GBT 13390-2008: NOVA2000c specific surface area meter |
TD(g/cm3) |
≥2.3 |
2.6 |
Refer to GB/T5162-2006: FZS4-4B type tap density meter |
PH value |
≤11.0 |
10.59 |
Refer to GB/T1717-1986: METTLER pH meter |