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TOB NEW ENERGYitem no.:
TOB-NVPorder(moq):
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XIAMENCarbon-Coated Sodium Vanadium Phosphate Powder [Na3V2 (PO4)3] for Sodium Ion Battery Cathode Materials
SPECIFICATIONS
Model:TOB-NVP
Item | Unit | Specification | Test method/Machine | ||
Chemical properties | (Na)Sodium | % | 16.0 ± 1.5 | Standard curve method | |
(V)Vanadium | % | 21.0 ± 2.0 | |||
( P)Phosphorus | % | 19.5 ± 2.0 | |||
(C)Carbon | % | 2.5±1 | Carbon and sulfur analyzer | ||
Moisture | ppm | <1000 | GB/T 6284-2006 | ||
pH | / | 6.0~9.0 | 10% Suspension, PH meter | ||
Physical characteristics | Appearance | / | Dark gray powder, color uniform,non-caking | visual | |
Particle size | D10 | μm | ≥0.4 | laser particle analyzer | |
D50 | 5.0±2.0 | ||||
D90 | ≤20.0 | ||||
Bulk density | g/cm3 | ≥0.4 | tapping apparatus | ||
Tap density | g/cm3 | ≥0.7 | |||
Compaction density | g/cm3 | ≥1.8 | / | ||
SSA | m2/g | 25±5 | GB/T 6284-2006 | ||
Crystal structure | / | Monoclinic system | XRD | ||
Morphology | / | Submicron to Nano Secondary particle aggregates | SEM | ||
Electrical conductivity | S/cm | ≥1.0×10-3 | conductivitymeter | ||
Electrochemical characteristics | discharge specific capacity(0.1C) | mAh/g | ≥112 | Button cell 2.5-4.3V | |
discharge specific capacity(0.2C) | ≥110 | ||||
discharge specific capacity(1C) | ≥108 | ||||
The first coulombic efficiency(0.2C) | % | ≥95 |
Package: Vacuum package, no damage, no leakage.
Shelflife: 12 months
Storage Environment: Kept under seal, isolation with strong oxidizing agents, Strictly prohibited in wet storage at high temperature.
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