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MSE PRO Sodium Ferric Sulfate NFS Sodium Ion Cathode Powder– MSE Supplies LLC

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MSE PRO Sodium Ferric Sulfate (Na<sub>2+2x</sub>Fe<sub>2-x</sub>(SO<sub>4</sub>)<sub>3</sub>, -0.1≤x≤0.4) NFS Cathode Powder for Sodium Ion Batteries - MSE Supplies LLC

MSE PRO Sodium Ferric Sulfate (Na2+2xFe2-x(SO4)3, -0.1≤x≤0.4) NFS Cathode Powder for Sodium Ion Batteries

SKU: PO0250

  • $ 27995

MSE PRO™ Sodium Ferric Sulfate (Na2+2xFe2-x(SO4)3, -0.1≤x≤0.4) NFS Cathode Powder for Sodium Ion Batteries

Sodium Ferric Sulfate (Na2+2xFe2-x(SO4)3, -0.1≤x≤0.4) NFS is a poly-anionic cathode material used in sodium-ion batteries, known for its abundant crustal reserves, low cost, high working voltage, and excellent long-term cycling performance. Thanks to the strong induction effect of sulfate ions, it exhibits the highest Fe3+/Fe2+ redox potential among existing cathode materials, partially compensating for the low energy density. Additionally the three-dimensional framework structure of sodium iron sulfate maintains stability during sodium ion migration, resulting in good cycling performance. As a result, it is primarily applied in the fields of electric bicycles, tricycles, low-speed vehicles, and energy storage.

Specifications

SKU

PO0250 (500g)

PO0251 (1kg)
Appearance Black powder
Molecular Formula Na2+2xFe2-x(SO4)3, -0.1≤x≤0.4
D50 (um) 3-7
Tap Density (g/cm3) ≥0.9
Specific Surface Area (m2/g) 4-7
Carbon Content (%) 1.5-3%
Discharge Capacity at 0.1C (mAh/g) ≥87 (2-4.5V)
First Cycle Efficiency (%) ≥95%

 

References:

[1]  Wang, Wei. Liu, Xiaohao. Xu, Qunjie et al. A high voltage cathode of Na2+2xFe2−x(SO4)3 intensively protected by nitrogen-doped graphene with improved electrochemical performance of sodium storage, Materials Chemistry A, 6, 10. 

[2] Shishkin, Maxim. Sato, Hirofumi. Challenges in computational evaluation of redox and magnetic properties of Fe-based sulfate cathode materials of Li- and Na-ion batteries, Physics: Condensed Matter, 2017/04/20, 215701(29).