A bifunctional Na-deficient strategy induced pure phase Na<sub>4−<i>x</i></sub>Fe<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>P<sub>2</sub>O<sub>7</sub> cathode with high capacity for sodium-ion batteries
Rongze Ma, Jiaqi Meng, Xuping Su, Qidi Wang, Yunfei Li, Qihang Zeng, Yawei Jing, Long Li, Shujiang Ding
Abstract
This study proposes a Na-deficient strategy for the structural modulation of NFPP, successfully synthesizing pure-phase Na 4− x Fe 3 (PO 4 ) 2 (P 2 O 7 ) with a near-theoretical specific capacity of 127.2 mA h g −1 at 0.1C.
Topics & Concepts
BifunctionalSodiumCathodePhase (matter)IonMaterials scienceChemical engineeringChemistryCatalysisMetallurgyEngineeringPhysical chemistryOrganic chemistryAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesSemiconductor materials and interfaces