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Hierarchical Carbon Framework Wrapped Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> as a Superior High‐Rate and Extended Lifespan Cathode for Sodium‐Ion Batteries
528
Citations
41
References
2015
Year
EngineeringElectrode-electrolyte InterfaceSodium‐ion BatteriesChemistryHierarchical Carbon FrameworkChemical EngineeringNa3 V2Sodium BatterySodium-ion BatteriesMaterials ScienceSuperior High‐rateBattery Electrode MaterialsExtended Lifespan CathodeElectrochemical Power SourceAdvanced Electrode MaterialEnergy StorageElectrochemical ProcessElectrochemistryLi-ion Battery MaterialsCathode MaterialsElectrochemical Energy StorageBatteriesAnode MaterialsChemical Vapor Deposition
Hierarchical carbon framework wrapped Na3 V2 (PO4 )3 (HCF-NVP) is successfully synthesized through chemical vapor deposition on pure Na3 V2 (PO4 )3 particles. Electrochemical experiments show that the HCF-NVP electrode can deliver a large reversible capacity (115 mA h g(-1) at 0.2 C), superior high-rate rate capability (38 mA h g(-1) at 500 C), and ultra-long cycling stability (54% capacity retention after 20 000 cycles).
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