The Journal of Physical Chemistry C · 2007 · 78 citations · 19 references
Natural SciencesMaterials EngineeringMaterials ScienceElectrochemistryEnergy MaterialsMaterials ChemistryBattery MaterialsBattery TechnologyCathode MaterialsElectrochemical CellsElectrode MaterialsEnergy Storage MaterialsConductivityDischarge CapacityElectrochemical ConductivityElectronic ConductivityLithium-ion Battery Cathode MaterialsLithium-ion Battery MaterialsVoltammetryX-ray Diffraction Analysis
Compounds of LiFePO 4 -based materials with the addition of Li 3 V 2 (PO 4 ) 3 were simply prepared by a rheological phase reaction method. Differential scanning calorimetry, thermogravimetric analysis, X-ray diffraction, scanning electron microscopy, transmission electron microscopy, cyclic voltammetry, alternating current impedance, and charge−discharge cycles were used to evaluate the LiFePO 4 −Li 3 V 2 (PO 4 ) 3 compound powders. Phase analysis showed that no new phase formed in these compounds. The electronic conductivity and electrochemical performance of the LiFePO 4 -based compounds were improved by the addition of Li 3 V 2 (PO 4 ) 3 composites. High rate discharge capacity was developed for LiFePO 4 −Li 3 V 2 (PO 4 ) 3 as cathode material.
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