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Article
Assessment of prospective cathodes based on (1-x)Ca3Co4O9+δ-xBaCe0.5Zr0.3Y0.1Yb0.1O3-δ composites for protonic ceramic electrochemical cells
This work presents investigation of novel composite electrodes comprising misfit layered oxide Ca3Co4O9+δ and protonic conductor BaCe0.5Zr0.3Y0.1Yb0.1O3-δ. Materials for the study were synthesized by the pyrolysi...
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Article
Oxygen isotope exchange in praseodymium nickelate
Oxygen surface exchange kinetics and diffusion were studied in Pr2NiO4 + δ (PNO) by the isotope exchange method with gas phase equilibration in the temperature range of 600–800 °C and oxygen pressure range of 0.3...
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Article
Transport features in layered nickelates: correlation between structure, oxygen diffusion, electrical and electrochemical properties
Oxygen migration is increasingly acknowledged as playing an important role in the ionic transport in mixed conductors and influencing the electrode electrochemical performance. The aim of this work was to esta...
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Article
Gd-doped SrTi0.5Fe0.5O3–δ mixed ionic-electronic conductors: structural, thermal, and electrical properties
The effect of Sr by Gd substitution on the structural, thermomechanical, electrical, and electrochemical properties of SrTi0.5Fe0.5O3–δ was investigated in the present work. The powders were synthesized by a soli...