Ion exchange to construct a high-performance core–shell MnFe-PB@CuFe-PB cathode material for sodium ion batteries
Hongyu Cheng, Yinuo Liu, Yinuo Liu, Zhuo-Er Yu, Yingying Song, Yinping Qin, Maomao Zhang, Riming Chen, Jingjing Zhou, Yang Liu, Yang Liu, Bingkun Guo
Abstract
A CuFe-PB coating film is formed via ion exchange on MnFe-PB, which effectively improves the structural stability and electrochemical performance of the sodium ion battery cathode material and inhibits Mn dissolution caused by the Jahn–Teller effect.
Topics & Concepts
Materials scienceCathodeElectrochemistryIonDissolutionCoatingSodiumIon exchangeChemical engineeringCore (optical fiber)Battery (electricity)Shell (structure)Composite materialInorganic chemistryElectrodeMetallurgyPhysical chemistryThermodynamicsChemistryPhysicsPower (physics)EngineeringOrganic chemistryAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesSemiconductor materials and devices