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Sodium‐Ion Batteries
Cathode materials are decisive for the development of sodium‐ion batteries (SIBs). In article number 2110108, Xing‐Long Wu and co‐workers present a high‐entropy Na3V2(PO4)2F3‐based cathode for advanced SIBs. The high‐entropy effect endows this cathode material with a lowered Na+ migration barrier and enhanced electronic conductivity, which jointly promote charge transport and...
Impossible voltage plateau regulation for the cathode materials with fixed active elemental center is a pressing issue hindering the development of Na‐superionic‐conductor (NASICON)‐type Na3V2(PO4)2F3 (NVPF) cathodes in sodium‐ion batteries (SIBs). Herein, a high‐entropy substitution strategy, to alter the detailed crystal structure of NVPF without changing the central active V atom, is pioneeringly...
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