Controllable synthesis of a Na-enriched Na<sub>4</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> cathode for high-energy sodium-ion batteries: a redox-potential-matched chemical sodiation approach
Mingli Xu, Fengxue Zhang, Yanhui Zhang, Chen Wu, Xue Zhou, Xinping Ai, Jiangfeng Qian
Abstract
A phenazine-mediated ambient chemical sodiation strategy is first proposed to controllably synthesize a Na-enriched Na 4 V 2 (PO 4 ) 3 cathode, which serves as an endogenous Na + reservoir to compensate for irreversible sodium loss of sodium-ion full cells.
Topics & Concepts
AnodeSodiumCathodeRedoxChemistryReagentIonStoichiometryEnergy storageInorganic chemistryChemical engineeringMaterials scienceElectrodePhysical chemistryOrganic chemistryThermodynamicsEngineeringPower (physics)PhysicsAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced battery technologies research