Exposing the (002) active facet by reducing surface energy for a high-performance Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F<sub>3</sub> cathode
Zhuangzhi Li, Lang Qiu, Ping Li, Hao Liu, Dong Wang, Weibo Hua, Ting Chen, Yang Song, Fang Wan, Benhe Zhong, Zhenguo Wu, Xiaodong Guo
Abstract
Carbon additives regulate Na 3 V 2 (PO 4 ) 2 F 3 crystal growth, achieving 82% exposure of the (002) active facet. The exposed (002) facet offers stable Na + -storage sites, lower diffusion barriers, and enhanced kinetics/stability.
Topics & Concepts
Facet (psychology)DiffusionMaterials scienceKineticsCrystal growthCrystallographyCarbon fibersChemistryAnalytical Chemistry (journal)PhysicsThermodynamicsComposite materialBig Five personality traitsChromatographyQuantum mechanicsSocial psychologyPersonalityComposite numberPsychologyAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesTransition Metal Oxide Nanomaterials