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INVESTIGATE THE STRUCTURAL AND ELECTROCHEMICAL PROPERTIES OF CARBON DOPED LiFePO4 PREPARED BY USING CAROXYLON IMBRICATUM FORSSK EXTRACT AS A DOPING AGENT
INVESTIGACIÓN DE LAS PROPIEDADES ESTRUCTURALES Y ELECTROQUÍMICAS DE LiFePO4 RECUBIERTO DE CARBONO PREPARADO UTILIZANDO EXTRACTO DE CAROXYLON IMBRICATUM FORSSK COMO AGENTE DE RECUBRIMIENTO
Keywords:
conductivity, caroxylon Imbricatum, carbon coated LiFePO4, extract, electrochemical, nanoparticle (en)conductividad, caroxylon imbricatum, extracto, electroquímica, LiFePO4 recubierto de carbono, nanopartículas (es)
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This work evaluates the electrochemical performance of carbon-coated LiFePO4 (LiFePO4/C) using a plant extract of Caroxylon Imbricatum Forssk via a green synthesis route. The obtained samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Raman spectroscopy and cyclic voltammetry to investigate the phase, crystalline structure, morphology and electrochemical performance. Both samples, LiFePO4 and LiFePO4/C, exhibited an olivine LiFePO4 structure and the obtained particle sizes were in the nanoscale. The effects of the carbon coating improved the electrochemical performances of carbon-coated LiFePO4 via enhancing rate capability and electronic conductivity.
Este trabajo evalúa el rendimiento electroquímico del LiFePO4 (LiFePO4/C) recubierto de carbono mediante un extracto vegetal de Caroxylon Imbricatum Forssk mediante una ruta de síntesis ecológica. Las muestras obtenidas se caracterizaron mediante difracción de rayos X (DRX), microscopía electrónica de barrido (MEB), espectroscopía Raman y voltamperometría cíclica para investigar la fase, la estructura cristalina, la morfología y el rendimiento electroquímico. Ambas muestras, LiFePO4 y LiFePO4/C, presentaron una estructura de LiFePO4 de olivino y los tamaños de partícula obtenidos fueron a escala nanométrica. Los efectos del recubrimiento de carbono mejoraron el rendimiento electroquímico del LiFePO4 recubierto de carbono al aumentar su capacidad de velocidad y la conductividad eléctrica.
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