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The major challenge in advanced sodium‐ion batteries (SIBs) is to find appropriate electrode materials with high capacity and good reversibility. On page 696 X.‐Q. Yang, F. Cosandey, K.‐W. Nam, and colleagues report a FeO0.7F1.3/C nano‐composite as a new cathode material for SIBs, which shows a high reversible capacity and excellent cycling stability, enabled by the mechanism of both Na‐intercalation...
Searching high capacity cathode materials is one of the most important fields of the research and development of sodium‐ion batteries (SIBs). Here, we report a FeO0.7F1.3/C nanocomposite synthesized via a solution process as a new cathode material for SIBs. This material exhibits a high initial discharge capacity of 496 mAh g−1 in a sodium cell at 50 °C. From the 3rd to 50th cycle, the capacity fading...
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