Abstract
Amorphous hydrated iron (III) phosphate nanoparticles with average particle size of 80 nm were synthesized by a facile coprecipitation method at ambient temperature. The obtained sample was characterized by X-ray powder diffraction (XRD), thermogravimetrical analysis (TGA), and scanning electron microscopy (SEM). The electrochemical performances of the samples as cathode active materials were investigated in the 3.8–2.0 V range at a current density of 0.4 mA cm −2. The results show that the obtained discharge capacity was improved for amorphous FePO 4·2H 2O.
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