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Keywords:

  • Solid-oxide fuel-cell cathodes;
  • Ba0.5Sr0.5Co0.8Fe0.2O3-δ;
  • Thin films;
  • Pulsed laser deposition
Thumbnail image of graphical abstract

Ba0.5Sr0.5Co0.8Fe0.2O3-δ (BSCF) cathodes are prepared on NiO-yttria-stabilized zirconia (YSZ)/YSZ composite substrates using pulsed laser deposition (PLD) and the screen-printing method. The cathode by PLD outperforms that by screen-printing, with an enhancement of over 150% in the maximum power, which can be attributed to the PLD-enabled smaller internal resistance within the cathode and the reduced interfacial resistance between the cathode and the electrolyte.