Carbon quantum dot modified Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F<sub>3</sub>as a high-performance cathode material for sodium-ion batteries
Shengyuan Liu, Xinxin Cao, Yangpu Zhang, Ke Wang, Qiong Su, Jing Chen, Qiong He, Shuquan Liang, Guozhong Cao, Anqiang Pan
Abstract
We fabricate carbon quantum dot-modified Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F<sub>3</sub>hierarchical microspheres, which exhibit outstanding high-rate and ultralong-life performance as a half-cell cathode. A Na-ion full-cell (with a hard carbon anode) delivers high cell voltage and good cycling stability.
Topics & Concepts
Materials scienceCathodeCarbon fibersQuantum dotIonAnodeAnalytical Chemistry (journal)NanotechnologyPhysical chemistryChemistryElectrodeOrganic chemistryChromatographyComposite materialComposite numberAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesSupercapacitor Materials and Fabrication