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Submitted July 24, 2024
Published 2024-07-25

Artículos

Vol. 26 No. 2 (2024): Tecnociencia

SIMPLE AND LOW-COST SYNTHESIS OF LI2FESIO4 CATHODE MATERIALS BY MECHANICAL ACTIVATION USING A Fe3+ PRECURSOR


DOI https://doi.org/10.48204/j.tecno.v26n2.a5405

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References
DOI: 10.48204/j.tecno.v26n2.a5405

Published: 2024-07-25

How to Cite

Jaén , J. A., Mendoza, I. and Chung , E. (2024) “SIMPLE AND LOW-COST SYNTHESIS OF LI2FESIO4 CATHODE MATERIALS BY MECHANICAL ACTIVATION USING A Fe3+ PRECURSOR”, Tecnociencia, 26(2), pp. 110–125. doi: 10.48204/j.tecno.v26n2.a5405.

Abstract

An easy and low-cost synthesis of monoclinic Li2FeSiO4 based on a carbothermal process and a short-time preliminary milling of a reactant mixture in a planetary mill was investigated.  Monoclinic Li2FeSiO4/C is prepared using Fe3+ (Fe2O3) as a precursor. For this purpose, commercial hematite and one obtained through a green route were used. This material is studied and compared with Li2FeSiO4 obtained using Fe2+ (FeC2O4·2H2O) as a precursor. In all cases, citric acid was used as a reducing agent and as an in situ conductive additive. Mössbauer spectroscopy was used as the central technique in this study.

 

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