NFPP Polyanionic Sodium Ion Battery Cathode Material Sodium Iron Phosphate Pyrophosphate For Na Ion Batteries
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- Supplier: Shandong Yunji Energy Technology Co. Ltd.
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Description
NFPP Polyanionic Sodium Ion Battery Cathode Material Sodium Iron Phosphate Pyrophosphate For Na Ion Batteries
Name | Theoretical Capacity (mAh/g) | Discharge Voltage (V) | Diffusion Coefficient (cm2/s) |
NaFePO4 (olivine) | 150 | < 2.5 | 8.63*10-17 |
NaFePO4 (maricite) | 150 | < 2.5 | / |
Na2FeP2O7 | 97 | 3 | (2.79-8.45)*10-17 |
Na4Fe3(PO4)2(P2O7) | 129 | 3.1 | 10-11 |
Na2Fe2(SO4)3 | 120 | 3.8 | 8.63*10-7 |
Na3(VO)2(PO4)2F | 130 | 3.8 | (1-3)*10-10 |
Na3V2(PO4)3 | 118 | 3.4 | 4.59*10-13 – 2.45*10-10 |
Na3V2(PO4)2F3 | 128 | 3.4, 3.7, 4.2 | 2.68*10-12 |
Physical Property | Partical Size (μm) | D50 2.5-3.5 |
D99 < 35 | ||
BET Surface (cm2/g) | < 15 | |
Compact Density (g/cm3) |
> 2.1 | |
Electrochemical Property | 0.1C Charge Capacity (mAh/g) | 115-120 |
0.1C Discharge Capacity (mAh/g) | > 110 | |
Initial Coulombic Efficiency (%) | > 92% | |
pH | 7-10 | |
Residual Alkali | < 1% | |
Impurity Phase | No heterogenous peaks appear in XRD | |
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