Gallozzo-Cárdenas, Moisés M.

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Material para catodo con alta energia para baterias recargables en ion-litio
(2018) Gallozzo-Cárdenas, Moisés M.; Rúa-de la Asunción, Armando; College of Arts and Sciences – Sciences; Fernández, Félix E.; Jiménez González, Héctor J.; Department of Physics; Suárez, O. Marcelo
Particles consisting of sulfur and carbon were synthesized and structurally characterized by means of X-Ray Diffraction and a scanning electron microscope. The results show a trigonal crystal structure with the sulfur particles dispersed on a carbon surface, with a variety of sizes ranging between 2-5 μm. The resulting material was tested as a cathode in Lithium-ion batteries. Coin cell batteries were fabricated to study the electrochemical behavior using the synthesized material as a cathode. 1M of LiCF3SO3 dissolved in 1,3-Dioxane (DOL) and Dimethoxymethane (DME), on a 1:1 ratio, was used for the electrolyte and Lithium was used as an anode. The batteries were electronically characterized by discharging and re-charging techniques, the results showed a high specific capacity of 900 mAh/g without an attenuation for up to 80 cycles.