Structural evolution of high energy density V<sup>3+</sup>/V<sup>4+</sup> mixed valent Na<sub>3</sub>V<sub>2</sub>O<sub>2x</sub>(PO<sub>4</sub>)<sub>2</sub>F<sub>3−2x</sub> (<i>x</i> = 0.8) sodium vanadium fluorophosphate using <i>in situ</i> synchrotron X-ray powder diffraction - Concepedia

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Structural evolution of high energy density V<sup>3+</sup>/V<sup>4+</sup> mixed valent Na<sub>3</sub>V<sub>2</sub>O<sub>2x</sub>(PO<sub>4</sub>)<sub>2</sub>F<sub>3−2x</sub> (<i>x</i> = 0.8) sodium vanadium fluorophosphate using <i>in situ</i> synchrotron X-ray powder diffraction

DOI Full Paper Access

61

Citations

16

References

2014

Year

Paula Serras, Verónica Palomares, Teófilo Rojo, Helen E. A. Brand, Neeraj Sharma

Journal of Materials Chemistry A

X-ray CrystallographyEngineeringSolid-state ChemistryChemistryInorganic MaterialSodium EvolutionStructural EvolutionSodium BatterySodium-ion BatteriesMaterials ScienceInorganic ChemistryElectrical EngineeringMaximum Sodium ExtractionBattery Electrode MaterialsAdvanced Electrode MaterialLithium-ion BatteriesEnergy StorageCrystallographyCrystal Structure DesignElectrochemistryLi-ion Battery MaterialsNatural SciencesX-ray DiffractionFunctioning Sodium-ion BatteryX-ray Powder DiffractionCathode MaterialsSodium Vanadium FluorophosphateElectrochemical Energy StorageBatteriesFunctional Materials

Abstract

The first time-resolved <italic>in situ</italic> synchrotron XRD study of a cathode in a functioning sodium-ion battery. We determine the reaction mechanism, lattice parameters, sodium evolution, and the maximum sodium extraction for the fresh and precycled cell.

References

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