Synchrotron-Radiation X-Ray Investigation of Li+/Na+ Intercalation into Prussian Blue Analogues
Figure 12
(a) Discharge curve, (b) lattice constant (a), (c) Co valence, and (d) Fe valence of NCF90 against . Open (filled) marks in (b), (c), and (d) mean that the data are obtained in the charge (discharge) run (cited from [20]).