NASICON-type Na3V2(PO4)3
TLDR
Single crystals of the title compound, trisodium divanadium(III) tris(orthophosphate), were grown from a self-flux in the system Na4P2O7–NaVP2O8 and found that the two independent Na+ cations are located in channels with two different oxygen environments.Abstract:
Single crystals of the title compound, trisodium divanadium(III) tris(orthophosphate), were grown from a self-flux in the system Na4P2O7–NaVP2O7. Na3V2(PO4)3 belongs to the family of NASICON-related structures and is built up from isolated [VO6] octahedra (3. symmetry) and [PO4] tetrahedra (.2 symmetry) interlinked via corners to establish the framework anion [V2(PO4)3]3−. The two independent Na+ cations are partially occupied [site-occupancy factors = 0.805 (18) and 0.731 (7)] and are located in channels with two different oxygen environments, viz sixfold coordination for the first (\overline{3}. symmetry) and eightfold for the second (.2 symmetry) Na+ cation.read more
Citations
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Na-ion batteries, recent advances and present challenges to become low cost energy storage systems
Verónica Palomares,Paula Serras,Irune Villaluenga,Karina B. Hueso,Javier Carretero-González,Teófilo Rojo +5 more
TL;DR: In this paper, a review of Na-ion battery materials is presented, with the aim of providing a wide view of the systems that have already been explored and a starting point for the new research on this battery technology.
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Carbon coated Na3V2(PO4)3 as novel electrode material for sodium ion batteries
TL;DR: A Na 3 V 2 (PO 4 ) 3 /C sample coated uniformly with a layer of 6-nm carbon has been successfully synthesized by a one-step solid state reaction as discussed by the authors.
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The First Report on Excellent Cycling Stability and Superior Rate Capability of Na3V2(PO4)3 for Sodium Ion Batteries
TL;DR: Porous Na3V2(PO4)3/C was synthesized using a novel solution-based approach in this paper, which is capable of delivering an energy storage capacity of ∼400 mWh/g vs. sodium metal.
Journal ArticleDOI
An Advanced Sodium‐Ion Battery Composed of Carbon Coated Na3V2(PO4)3 in a Porous Graphene Network
TL;DR: A 3D hierarchical meso- and macroporous Na3V2(PO4)3-based hybrid cathode with connected Na ion/electron pathways is developed for ultra-fast charge and discharge sodium-ion batteries, indicating its superiority in practical applications.
References
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