Characterization of mixtures of sodium iron (II)/iron (III) phosphate as cathodes for sodium batteries

Author

Prosini, P.P. ; Masci, A. ; Cento, C. ; Carewska, M.

Author_Institution

Tech. Unit for Renewable Energy Sources (UTRINN), ENEA Casaccia Res. Centre, Rome, Italy

fYear

2015

fDate

10-13 June 2015

Firstpage

707

Lastpage

712

Abstract

Sodium iron (II) phosphate/iron (III) phosphate mixtures with different Fe(II)/Fe(III) ratio were synthesized. X-ray diffraction, scanning electron micrographs, and thermal analysis were employed to characterize the samples. The electrochemical properties of electrodes prepared by using the samples as the active material were evaluated in lithium cells. One of the samples was electrochemical tested in sodium cells. The cell cyclability was evaluated as a function of the discharge rate. The values of capacity and voltage were employed for the calculation of the specific discharge energy and power.

Keywords

X-ray diffraction; electrochemical electrodes; iron compounds; secondary cells; sodium compounds; thermal analysis; NaFe-FePO₄; X-ray diffraction; lithium cells; scanning electron micrographs; sodium battery cathodes; sodium iron-iron phosphate; thermal analysis; Batteries; Discharges (electric); Electrodes; Heating; Iron; Lithium; X-ray scattering; X-ray diffraction; differential scanning calorimetry; electrochemistry; electron microscopy; energy storage; lithium battery; nanomaterials; sol-gel chemistry;

fLanguage

English

Publisher

ieee

Conference_Titel

Environment and Electrical Engineering (EEEIC), 2015 IEEE 15th International Conference on

Conference_Location

Rome

Print_ISBN

978-1-4799-7992-9

Type

conf

DOI

10.1109/EEEIC.2015.7165251

Filename

7165251