Manipulation of Na3V2(PO4)2F3 via aluminum doping to alter local electron states toward an advanced cathode for sodium-ion batteries

With its unique 3D skeleton structure and exceptional cyclic stability, the Na + superionic conductor (NASICON)-type Na 3 V 2 (PO 4 ) 2 F 3 (NVPF) has been considered as a competitive cathode material for advanced Na-ion batteries. However, the release of fluorine during the heat treatment leads to...

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