Hot EV 280AH 304ah 320ah Cell Connector 3.2V LiFePo4 Battery Holder ABS Plastic Bracket for 12v 24v 48v Packs
1,99 $
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Project | Unit | Index | Value | Test method or instrument | ||||||
Exterior | / | Black Powder | / | Estimate range by eye | ||||||
Tap density | g/cm3 | ≥2.3 | 2.62 | AUTOTAP | ||||||
SSA | m2/g | ≤1.0 | 0.66 | Specific surface area meter | ||||||
H2O | wt% | ≤300 | 263 | KF moisture meter | ||||||
Dmin | μm | ≥1.50 | 2.53 | Malvin MS-2000 Laser Particle Sizer | ||||||
D10 | μm | ≥3.0 | 5.38 | |||||||
D50 | μm | 10.00±2.00 | 10.22 | |||||||
D90 | um | ≤20.0 | 17.69 | |||||||
Main chemical indexes | ||||||||||
Li | wt% | 7.20±0.30 | 7.16 | AAS | ||||||
Ni | mo1% | 90.0±1.0 | 83.11 | Potentiometric titration | ||||||
Co | mo1% | 6.0±1.0 | 11.85 | |||||||
Mn | mo1% | 4.0±1.0 | 5.04 | |||||||
Al | mo1% | ≤1.00 | 0.45 | |||||||
Na | wt% | ≤0.0500 | 0.035 | ICP test | ||||||
Ca | wt% | ≤0.0300 | 0.0035 | |||||||
Cu | wt% | ≤0.050 | 0.0002 | |||||||
Fe | wt% | ≤0.0100 | 0.0006 | |||||||
Cr | wt% | ≤0.0050 | 0.0003 | |||||||
LiOH | wt% | ≤0.40 | 0.35 | Potentiometric titration | ||||||
Li2CO3 | wt% | ≤0.30 | 0.15 | Potentiometric titration | ||||||
PH | / | ≤12.0 | 11.64 | Ph meter | ||||||
ROHS | / | EU standards | Third party testing | |||||||
Magnetic foreign body | ppb | <30 | 21 | ICP test | ||||||
Crystalline structure | ||||||||||
Particle morphology | / | Polycrystalline | / | Hitachi SU8000 scanning electron microscope (SEM) | ||||||
Crystal structure | / | no impurity peak | / | X-ray diffractometer (XRD) | ||||||
Electrochemical performance | ||||||||||
Gram capacity | mAh/g | ≥230 | 236.12 | vs.Li,0.2C,2.5-4.25V | ||||||
mAh/g | ≥208.0 | 211.8 | vs.Li,0.2C,2.5-4.25V | |||||||
First efficiency | / | ≥88.0% | 89.7 | vs.Li,0.2C,2.5-4.25V |
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