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Characterization of Magnesium Doped Lithium Iron Silicate

Juan A. Jaén orcid id ; Departamento de Química Física, CITEN, Edificio de Laboratorios Científicos-VIP, Universidad de Panamá, Panamá
Josefina Iglesias ; Laboratorio de Análisis Industriales y Ciencias Ambientales, Universidad Tecnológica de Panamá, Panamá
Alcides Muñoz ; Departamento de Física, Universidad de Panamá, Panamá
Jesús A. Tabares ; Departamento de Física, Universidad del Valle, AA 25360, Cali, Colombia
Germán A. Pérez Alcázar

Puni tekst: engleski pdf 1.960 Kb

str. 487-493

preuzimanja: 1.323



The synthesis of Mg doped Li2Fe1–xMgxSiO4 (x = 0, 0.10 and 0.15) via solid-state reaction is reported. The product was characterized by Mössbauer spectroscopy (MS), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), magnetic measurements and scanning electron microscopy (SEM). The structures of the reaction products were confirmed to be the monoclinic structure P21/n, but impurities were detected in them. In the undoped sample small amounts of lithium iron oxide or lithiated magnetite was obtained, whereas a magnetic phase was found in samples with more than 10 % (mole fraction) of Mg doping.

Ključne riječi

lithium iron silicate; cathode material; Mg doping; Mössbauer spectroscopy

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