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This paper reports the synthesis and characterization of an oxide type La0.8Sr0.2MnO3, using a wet chemistry route, which allows to obtain a ceramic material with physicochemical properties and structural characteristics of relevant importance for application as an electrode component for use in solid oxide fuel cells devices (SOFC). The synthesized material was characterized by X-ray diffraction (XRD), obtaining a material with perovskite structure. Results from High-resolution transmission electron microscopy (HRTEM), confirm the synthesis of a solid with regular morphology preferentially oriented in the (1 1 2) plane, with d spacing calculated of about 0.25 nm based on the results of HRTEM and XRD. The La0.8Sr0.2MnO3 composition was determined by X-ray microanalysis by energy dispersive (EDX), indicating a good agreement between the proposed and obtained composition. Surface area and pore volume measured by BET method would suggest that the material maintain their textural and surface characteristics depending on the synthesis method used.

Síntesis y caracterización del sistema La0,8Sr0,2MnO3