Charge-Discharge Data:
First Discharge Capacity: 127 mAh/g (4.0-2.0 V, 0.1C)
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Initial Coulombic Efficiency: ≥ 80%
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Specific Capacity:
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Charge/Discharge Rate Capability:
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At 0.1C: 155-160 mAh/g
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At 1C: 130-140 mAh/g
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At 5C: 90-100 mAh/g
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Cycling Stability: Less than 10% capacity fade over 100 cycles at 0.5C
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Voltage Window: 2.0V to 3.8V (vs. Na/Na⁺)
Additional Data:
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XRD Patterns: Show well-defined peaks corresponding to the layered structure.
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SEM: Indicates a homogeneous particle distribution.
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EIS: Reflects low charge transfer resistance.
Tape Density |
1.34 g/cm3 |
Size Distribution |
D10: 3.45 um; D50: 7.64 um; D90: 17.03 um |
|
 |
Powder Color |
Black |
pH |
12.82 |
Specific Surface Area (BET) |
0.68 m2/g |
Chemical Composition |
Na: 20.72 (wt%) |
Ni+Fe+Mn: 50.63 (wt%) [mole ratio for Ni:Fe:Mn =1:1:1] |