Sodium‐Ion Batteries: Isostructural and Multivalent Anion Substitution toward Improved Phosphate Cathode Materials for Sodium‐Ion Batteries (Small 16/2020)

In article number 1907645, Xing-Long Wu and co-workers propose and develop an advanced strategy (isostructural and multivalent anion substitution strategy) to significantly enhance the electrochemical properties of Na-super-ionic conductor-type phosphate cathode (from Na3V2(PO4)3 to Na3.1V2(PO4)2.9(SiO4)0.1) for sodium-ion batteries. In addition, theoretical calculation and experimental analyses reveal the anionic manipulation and improvement mechanism.