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- W2195688044 abstract "Conducting properties, thermal expansion, and chemical stability of La1.8−xPrxSr0.2CuO4−δ (x = 0.2; 0.4) related to the K2NiF4-type structure have been investigated in order to estimate their appropriateness to be used as a cathode material for solid oxide fuel cells. Electrical conductivity of La1.8−xPrxSr0.2CuO4−δ demonstrates metallic-like behavior in the temperature range of 100–900 °С at variable oxygen partial pressure (pO2 = 10−3–1 atm), and reaches 50 S/cm at 750 °C in air. The cuprates display thermal expansion coefficients (TECs) of about 14·10−6 K−1 that are compatible with La0.8Sr0.2Ga0.85Mg0.15O3−δ (LSGM) and Ce0.9Gd0.1O1.95 (GDC) solid electrolytes. The electrocatalytic activity study of La1.6Pr0.2Sr0.2CuO4−δ electrode deposited on GDC as well as LSGM shows that the lowest polarization resistance is achieved in case of deposition of the electrode on GDC electrolyte." @default.
- W2195688044 created "2016-06-24" @default.
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- W2195688044 date "2015-09-01" @default.
- W2195688044 modified "2023-10-01" @default.
- W2195688044 title "Evaluation of La1.8−xPrxSr0.2CuO4−δ oxides as cathode materials for IT-SOFCs" @default.
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- W2195688044 doi "https://doi.org/10.1016/j.matchemphys.2015.08.059" @default.
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