Fig. 5: Operando structure analyses for NMF cathode during battery cycling at 0.5 to 2.2 V. | Nature Communications

Fig. 5: Operando structure analyses for NMF cathode during battery cycling at 0.5 to 2.2 V.

From: Alkaline-based aqueous sodium-ion batteries for large-scale energy storage

Fig. 5: Operando structure analyses for NMF cathode during battery cycling at 0.5 to 2.2 V.

a (200), (220) and (400) reflections of synchrotron operando XRPD pattern. b 2D contour plot for operando XRPD for the first 3 cycles. Structural and Rietveld refinements for NMF cathode following 1st cycle in (c) Alkaline electrolyte and (d) Alkaline electrolyte with Ni/C coating. Comparison of XRPD pattern following 1st cycle and 3rd cycle in (e) alkaline electrolyte and (f) alkaline electrolyte with Ni/C coating.

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