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The reduction of La 0.7 Sr 0.3 Co 0.8 Fe 0.2 O 3−δ (LSCF7382) by heat-treatment in H 2 atmosphere or by electrochemical polarization has been followed by X-ray diffraction and Raman spectroscopy. The transition from perovskite ABO 3 to brownmillerite A 2 B 2 O 5 occurs at 250–300°C in 10% H 2 atmosphere and is...
The oxido-reduction of La 0.7 Sr 0.3 Co 0.8 Fe 0.2 O 3−δ (LSCF7382) perovskite oxide catalyst was studied using O 2 thermodesorption and H 2 temperature-programmed reduction techniques as well as cyclic voltammetry performed on LSCF7382 thin film deposited on gadolinia doped ceria solid electrolyte. The O 2 -TPD profile of the attrited...
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