Energy Material Advances / 2021 / Article / Fig 5

Research Article

Efficient Stabilization of Na Storage Reversibility by Ti Integration into O3-Type NaMnO2

Figure 5

(a) Changes in XANES spectra of the sample of on charge/discharge processes and (b) in situ XRD patterns of the sample for the second charge process at 5 mA g–1. The cell was discharged to 1.2 V at 5 mA g–1 and then charged to 4.4 V. Each XRD data has been collected for 1 h on charge.