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Study of the n=3 Ruddlesden-Popper phases LnSr3Fe1.5Co1.5O10−δ (Ln = La, Pr, Nd) as oxygen reduction electrodes by impedance spectroscopy
(Elsevier Science, 2018-11)
The polarization resistance (Rp) of the n = 3 Ruddlesden-Popper phases LnSr3Fe1.5Co1.5O10−δ with Ln = La, Nd and Pr has been studied by Electrochemical Impedance Spectroscopy as a function of both temperature and oxygen ...
High Temperature Crystal Chemistry and Oxygen Permeation Properties of the Mixed Ionic–Electronic Conductors LnBaCo2O5 + δ ( Ln = Lanthanide )
(Electrochemical Society, 2009-06)
The high temperature crystal chemistry and oxygen permeation properties of the cation-ordered LnBaCo2 O5+δ perovskite oxides [lanthanide (Ln)=Pr, Nd, and Sm] have been investigated in comparison with the cation-disordered ...
Neutron powder diffraction study at high temperature of the Ruddlesden-Popper phase Sr3Fe2O6 + δ
(Elsevier Science, 2007-01)
The crystal and oxygen defect structure of the n = 2 Ruddlesden-Popper phase Sr3Fe2O6 + δ have been studied by in situ high temperature neutron powder diffraction in the temperature range 20 ≤ T ≤ 900 °C in air. The analysis ...
Study of the electrode polarization resistance of cobaltites with high Ba content as cathode for IT-SOFC
(Electrochemical Society, 2017-05)
The phase relationships and the electrochemical behavior of cobaltites with high content of Ba, such as, La1-xBaxCoO3-δ with x = 0.5, 0.7 and 1.0, Ba0.5Sr0.5Co0.8Fe0.2O3-δ (BSCF) and BaCo0.7Fe0.2Nb0.1O3-δ (BCFN), were ...
Dual oxygen defects in layered La1.2Sr0.8-xBaxInO4+δ (x = 0.2, 0.3) oxide-Ion conductors: A neutron diffraction study
(Molecular Diversity Preservation International, 2019-05)
The title compounds exhibit a K2NiF4-type layered perovskite structure; they are based on the La1.2Sr0.8InO4+δ oxide, which was found to exhibit excellent features as fast oxide-ion conductor via an interstitial oxygen ...
Stabilization of the cubic perovskite in the system La1-xBa xCo1-yFeyO3-δ (0.7 ≤ x ≤ 0.9) and its electrochemical performance as cathode materials for intermediate-temperature solid oxide fuel cells
(Elsevier Science, 2014-02-01)
The effects of the substitution of Co by Fe on the crystal chemistry and electrode reaction of the system La1-xBaxCo 1-yFeyO3-δ (0.7 ≤ x ≤ 0.9), are investigated. The incorporation of Fe stabilizes the cubic perovskite and ...
The influence of transition metal oxides type M+/M++ on the vanadium-tellurite glasses electrical behavior
(Elsevier Science, 2015-11)
In this work, the electrical behavior and structural features of the system xCu2O (1-x) (0.5V2O5·0.5MoO3) 2TeO2 compared to xAg2O (1-x) (0.5V2O5·0.5MoO3) 2TeO2 (which was already studied) are explored. The main goal is to ...
Effects of Ga substitution on the high temperature properties of the n = 3 Ruddlesden Popper system LaSr3Fe1.5 - X/2Co1.5 - x/2GaxO 10 - δ (0 ≤ x ≤ 0.8)
(Elsevier Science, 2011-06)
The effects of the Ga incorporation on the crystal chemistry and high temperature properties of the n = 3 Ruddlesden Popper system LaSr 3Fe1.5 - x/2Co1.5 - x/2GaxO10 - δ (0 ≤ x ≤ 0.8) have been investigated. As the Ga ...