Variation in the iron oxidation states of magnetite nanocrystals as a function of crystallite size: The impact on electrochemical capacity

We have investigated magnetite (Fe3O4) as an electroactive battery electrode material, where a linear relationship was observed between Fe3O4 crystallite size and capacity, with a negative slope. In order to better understand this novel relationship, we report here the Rietveld refinement and X-ray...

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Veröffentlicht in:	Electrochimica acta 2013-04, Vol.94, p.320-326
Hauptverfasser:	Menard, Melissa C., Marschilok, Amy C., Takeuchi, Kenneth J., Takeuchi, Esther S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Crystallite size Crystallites Iron Magnetite Nanocomposites Nanomaterials Nanostructure Rietveld Valence X-ray absorption near edge structure X-ray absorption spectroscopy X-rays
Online-Zugang:	Volltext
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