Iron(III) sulfate 

Iron (III) sulfate is a stable rhombohedral NASICON compound. Iron (III) sulfate can serve as a sodium ion intercalation host, enabling sodium ion intercalation and deintercalation via a single-phase mechanism relying on the Fe²⁺/Fe³⁺ redox couple. Iron (III) sulfate exhibits reversible electrochemical behavior and moderate polarization in cyclic voltammetry tests, and its charge transfer resistance changes during charge-discharge cycles. Iron (III) sulfate possesses a high redox potential, excellent rate capability, and long-cycle stability^[1].

After chemical sodiation for 24 h, rhombohedral iron (III) sulfate can serve as a stable sodium-insertion electrode material with an average operating potential of 3.20 V and excellent rate performance at a current density as high as 130 mA g^-1[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

400.89

Fe₂O₁₂S₃

10028-22-5

Solid

[Fe][Fe]S(=O)(OOS(=O)(OOS(=O)(OO)=O)=O)=O

Room temperature in continental US; may vary elsewhere.

Store at room temperature, keep dry and cool

• [1]. Mason CW, et al. Iron(III) sulfate: a stable, cost effective electrode material for sodium ion batteries. Chem Commun (Camb). 2014;50(18):2249-2251.