Ultrafine Sb nanoparticles <i>in situ</i> confined in covalent organic frameworks for high-performance sodium-ion battery anodes
Minggang Xie, Chunguang Li, Siyuan Ren, Yue Ma, Xiaobo Chen, Xiaofeng Fan, Yu Han, Zhan Shi, Shouhua Feng
Abstract
Based on π-conjugated COFs, the in situ confinement method affords intimate electron interaction, thus facilitating fast charge transfer. Sb@NGA–CMP exhibits high performance even after 5000 long cycles.
Topics & Concepts
In situNanoparticleCovalent bondMaterials scienceConjugated systemIonCovalent organic frameworkAnodeNanotechnologySodium-ion batteryBattery (electricity)SodiumChemical engineeringChemistryElectrodePhysical chemistryMetallurgyOrganic chemistryPolymerPhysicsEngineeringComposite materialFaraday efficiencyQuantum mechanicsPower (physics)Advancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced battery technologies research