Year 2024

• Additive manufacturing of Proton-Conducting Ceramics by robocasting with integrated laser postprocessing

  Publication

  • J. Pośpiech
  • M. Nadolska-Dawidowska
  • M. Cieślik
  • T. Sobczyk
  • M. Chmielewski
  • A. D. Mielewczyk-Gryń (formerly: A. Mielewczyk-Gryń)
  • R. Strandbakke
  • J. M. Serra
  • S. L. Wachowski (formerly: S. Wachowski)

  - Applied Materials Today - Year 2024

  A hybrid system combining robocasting and NIR laser postprocessing has been designed to fabricate layers of mixed proton-electron conducting Ba0.5La0.5Co1-xFexO3-δ ceramic. The proposed manufacturing technique allows for the control of the geometry and microstructure and shortens the fabrication time to a range of a few minutes. Using 5 W laser power and a scanning speed of 500 mm⋅s− 1, sintering of a round-shaped layer with an...

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• Physicochemical properties of La0.5Ba0.5Co1-xFexO3-δ (0≤x≤1) as positrode for proton ceramic electrochemical cells

  Publication

  • S. L. Wachowski (formerly: S. Wachowski)
  • I. Szpunar
  • J. Pośpiech
  • D. Balcerzak
  • A. D. Mielewczyk-Gryń (formerly: A. Mielewczyk-Gryń)
  • M. Balaguer
  • J. M. Serra
  • E. Vøllestad
  • M. Gazda
  • R. Strandbakke... and 2 others

  - ACTA MATERIALIA - Year 2024

  We report on essential properties of materials in the series La0.5Ba0.5Co1-xFexO3-δ as positrodes for proton ceramic electrochemical cells (PCECs). The unit cell and thermochemical expansion coefficient (TCEC) of these cubic perovskites decrease with iron content x, the TCEC of La0.5Ba0.5FeO3-δ going as low as 11·10-6 1/K. The materials behave as LaMO3 perovskites with small band gaps and Ba acting as acceptors compensated by electron...

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Year 2021

• Microstructural Design of Ba0.5La0.5Co0.5Fe0.5O3 Perovskite Ceramics

  Publication

  • D. Balcerzak (formerly: D. Gierszewska)
  • I. Szpunar
  • F. Oseko
  • J. Pośpiech
  • M. Nadolska-Dawidowska (formerly: M. Nadolska)
  • M. Pieragowska
  • K. Reniecka
  • K. Waniek
  • K. Leszczyński
  • A. D. Mielewczyk-Gryń (formerly: A. Mielewczyk-Gryń)... and 2 others

  - Materials - Year 2021

  Ba0.5La0.5Co0.5Fe0.5O3 was synthesized in the solid-state reaction route. The influence of ball milling parameters (such as milling media size, angular velocity, and time), pelletizing pressure, and annealing parameters on the microstructure was studied. The grain size distribution and density or specific surface area changes were investigated in each approach while the individual parameters were changed. The evaluation of BLCF...

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