Preparation of Carbon Aerogel Coated LiFePO₄ Microspheres with Different Ultrasonic Powers

Abstract

Carbon-coated lithium iron phosphate cathode material (LiFePO₄/C) was synthesized through an ultrasonic-assisted process, utilizing carbon aerogel as the carbon source and employing the hydrothermal method. The optimal synthesis process for LiFePO₄/C was determined by adjusting parameters such as ultrasonic time, ultrasonic power, hydrothermal conditions, and calcination conditions. Material Studio simulation, X-ray powder diffraction, scanning electron microscopy with energy-dispersive spectroscopy (SEM-EDS), and laser particle size analysis were employed to characterize the crystal structure, morphology, and particle size of the material. The experimental results demonstrate the feasibility of preparing a carbon-coated lithium iron phosphate cathode material with superior morphology and uniform coating using ultrasonic assistance.

Keywords

lithium iron phosphate / carbon aerogel / ultrasonic assistance / nanomaterials / hydrothermal process

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Wuhan University of Technology and Springer-Verlag GmbH Germany, Part of Springer Nature