A high-performance Na-storage cathode enabled by layered P2-type K<sub><i>x</i></sub>MnO<sub>2</sub> with enlarged interlayer spacing and fast diffusion channels for sodium-ion batteries
Ningbo Liu, Xiaoying Zhao, Bin Qin, Dongdong Zhao, Huanhuan Dong, Mande Qiu, Liubin Wang
Abstract
The K + -pre-intercalated Mn-based layered oxides with enlarged interlayer spacing ensure the expansion of diffusion channels enabling fast and stable Na + diffusion and show good electrochemical performance for SIBs.
Topics & Concepts
DiffusionCathodeElectrochemistryMaterials scienceSodiumIonChemistryElectrodeThermodynamicsMetallurgyPhysical chemistryPhysicsOrganic chemistryAdvancements in Battery MaterialsSupercapacitor Materials and FabricationTransition Metal Oxide Nanomaterials