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The effect of fluorine doping on the electrochemical performance of LiFePO4/C cathode material is investigated. The stoichiometric proportion of LiFe(PO4)1−xF3x/C (x = 0.01, 0.05, 0.1, 0.2) materials was synthesized by a solid-state carbothermal reduction route at 650 °C using NH4F as dopant. X-ray diffraction, scanning electron microscope, energy-dispersive X-ray, and X-ray photoelectron spectroscopy...
The characterization of lignin char and its reactivity towards the formation of polycyclic aromatic hydrocarbons (PAHs) were studied. The char was prepared by pyrolyzing lignin at atmospheric pressure and temperatures ranging from 150 to 550 o C under both pyrolytic and oxidative (5% oxygen in helium) atmospheres. The chemical composition of char was characterized by Fourier transform infrared...
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