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- W4377099611 abstract "In this research influence of chemical composition of A-site on electrical and electrochemical performance of Ln 0.2 Sr 0.7-x Ca x Ti 0.95 Fe 0.05 O 3-δ (Ln=La, Nd) (x=0.35, 0.45) (LSCTF-x, NSCTF-x) hydrogen electrode has been investigated. The crystal structure and microstructure have been studied using X-ray diffraction and SEM to confirm the phase purity and to visualize the microstructure of the studied electrode layers. To understand the influence of MIEC material composition on electrical conductivities of LSCFT and NSCTF, the DC four-probe conductivity measurements of porous electrode layers has been performed. Conductivities have been measured in two different atmospheres: 1% H 2 + 3% H 2 O + 96% Ar and 97% H 2 + 3% H 2 O. It has been shown that the both LSCTF and NSCTF materials behave like semiconductor and the conductivity is significantly dependent on the chemical composition. The maximal total electrical conductivity of porous electrode layers was 5.5 S cm − 1 and 4.8 S cm − 1 at 850 °C characteristic for the La 0.2 Sr 0.25 Ca 0.45 Ti 0.95 Fe 0.05 O 3-δ (LSCTF-45) and Nd 0.2 Sr 0.35 Ca 0.35 Ti 0.95 Fe 0.05 O 3-δ (NSCTF-35) materials, respectively, in 97% H 2 + 3% H 2 O atmosphere." @default.
- W4377099611 created "2023-05-20" @default.
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- W4377099611 date "2023-05-19" @default.
- W4377099611 modified "2023-09-29" @default.
- W4377099611 title "Influence of A-Site Modifications on the Electrical and Crystallographic Properties of Ln<sub>0.2</sub>Sr<sub>0.7-X</sub>Ca<sub>x</sub>Ti<sub>0.95</sub>Fe<sub>0.05</sub>O<sub>3-δ </sub>(Ln=La, Nd) Based Fuel Electrode for Solid Oxide Cell" @default.
- W4377099611 doi "https://doi.org/10.1149/11106.0571ecst" @default.
- W4377099611 hasPublicationYear "2023" @default.
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