FIELD: chemistry.
SUBSTANCE: invention relates to production of materials for electrochemical devices, in particular to solid oxide electrode materials based on praseodymium-barium ferrite, which can be used as material of electrodes of solid oxide fuel cells (SOFC) and proton-ceramic fuel cells (PCFC). Copper-doped praseodymium-barium ferrite-based solid oxide electrode material has the composition Pr0.6Ba0.4Fe0.9Cu0.1O3–δ.
EFFECT: reduced values of polarization resistance of electrodes in atmosphere of air and moist hydrogen.
1 cl, 3 dwg
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