Figure 2: Electrochemical properties of Li1.3Nb0.3Me0.4O2 in Li cells.

(a) Galvanostatic oxidation/reduction curves of Li1.3Nb0.3Me0.4O2 (Me=Fe3+, Mn3+ and V3+) samples in Li cells at 10 mA g−1 at 50 °C. Quasi open circuit voltage (QOCV) of the samples measured by galvanostatic intermittent titration technique (GITT) is also plotted in (b); charge for 1 h at 10 mA g−1 at room temperature and 50 °C and rest for 5 h.