Understanding Air Sensitivity and Deterioration Mechanism of Na4Fe3(PO4)2P2O7 Cathode for Na-Ion Battery

The air stability of electrode materials is a crucial factor for their practical application in rechargeable batteries. Na 4 Fe 3 (PO 4 ) 2 P 2 O 7 (NFPP) is a cathode material for sodium-ion batteries that has garnered increasing...