Direct hydrofluorothermal synthesis of sodium transition metal fluorosulfates as possible Na-ion battery cathode materials

Direct hydrofluorothermal synthesis of sodium transition metal fluorosulfates as possible Na-ion battery cathode materials

Synthesis under hydrofluorothermal conditions produces new iron, manganese and vanadium fluorosulfates; these include the isomorphous Na(3)M(III)F(2)(SO(4))(2), M = V, Mn, Fe, with a sheet-like structure formed of linked M(III)F(2)O(4) and SO(4) polyhedra separated by sodium ions which may be extrac...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2013-03, Vol.49 (21), p.2121-2123
Hauptverfasser: Wang, Qianlong, Madsen, Alex, Owen, John R, Weller, Mark T
Format: Artikel
Sprache:eng
Schlagworte:
Electric batteries
Iron
Manganese
Polyhedrons
Sodium
Synthesis
Transition metals
Vanadium
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Zusammenfassung:Synthesis under hydrofluorothermal conditions produces new iron, manganese and vanadium fluorosulfates; these include the isomorphous Na(3)M(III)F(2)(SO(4))(2), M = V, Mn, Fe, with a sheet-like structure formed of linked M(III)F(2)O(4) and SO(4) polyhedra separated by sodium ions which may be extracted electrochemically at potentials of >3.5 V.
ISSN:1359-7345
1364-548X
DOI:10.1039/c3cc38897b