Abstract
Solid oxide fuel cell single cells based on Ni-Ce0.9Gd0.1O2-d or Ni Zr0.92Y0.08O2-d supporting anodes, bi-layered Zr0.92Y0.08O2-d | Ce0.9Gd0.1O2-d or Zr0.9Sc0.1O2-d | Ce0.9Gd0.1O2-d electrolytes and micro-meso-porous La0.6Sr0.4CoO3-d, Gd0.6Sr0.4CoO3-d or Pr0.6Sr0.4CoO3-d cathodes prepared from nano-micro-powders at different sintering temperatures and pore former additions in the raw cathode and anode pastes have been studied using XRD, FIB-SEM, AFM, BET, cyclic voltammetry, chronoamperometry and electrochemical impedance methods. Influence of the anode and cathode porosity, depending on the electrode preparation methods, and also of the bi-layered electrolyte properties (chemical composition, thickness, etc.) on the power density of the single cells has been shown and discussed.
Published Version
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