Heterojunction interfacial promotion of fast and prolonged alkali-ion storage of urchin-like Nb<sub>2</sub>O<sub>5</sub>@C nanospheres
Zhipeng Zhao, Jingyun Cheng, Kai Li, Chuanqi Li, Shuo Zhang, Xiangdong Pei, Zhulin Niu, Zhongyi Liu, Yongzhu Fu, Dan Li
Abstract
The heterojunction interface presents strong electronic coupling interaction to boost the sodium/potassium ion diffusion and enrich the active sites for ion adsorption, which enables Nb 2 O 5 @C to achieve excellent electrochemical performances.
Topics & Concepts
HeterojunctionAlkali metalIonDiffusionMaterials scienceElectrochemistryCoupling (piping)SodiumAdsorptionInterface (matter)PotassiumOptoelectronicsInorganic chemistryChemistryPhysicsElectrodePhysical chemistryMetallurgyGibbs isothermOrganic chemistryThermodynamicsAdvancements in Battery MaterialsSupercapacitor Materials and FabricationSemiconductor materials and devices