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Impact of Preparation Method and Y 2 O 3 Content on the Properties of the YSZ Electrolyte

Author

Listed:
  • Michal Carda

    (Department of Inorganic Technology, Faculty of Chemical Technology, University of Chemistry and Technology, Prague, Technická 5, Prague 6—Dejvice, 166 28 Prague, Czech Republic)

  • Nela Adamová

    (Department of Inorganic Technology, Faculty of Chemical Technology, University of Chemistry and Technology, Prague, Technická 5, Prague 6—Dejvice, 166 28 Prague, Czech Republic)

  • Daniel Budáč

    (Department of Inorganic Technology, Faculty of Chemical Technology, University of Chemistry and Technology, Prague, Technická 5, Prague 6—Dejvice, 166 28 Prague, Czech Republic)

  • Veronika Rečková

    (Department of Inorganic Technology, Faculty of Chemical Technology, University of Chemistry and Technology, Prague, Technická 5, Prague 6—Dejvice, 166 28 Prague, Czech Republic)

  • Martin Paidar

    (Department of Inorganic Technology, Faculty of Chemical Technology, University of Chemistry and Technology, Prague, Technická 5, Prague 6—Dejvice, 166 28 Prague, Czech Republic)

  • Karel Bouzek

    (Department of Inorganic Technology, Faculty of Chemical Technology, University of Chemistry and Technology, Prague, Technická 5, Prague 6—Dejvice, 166 28 Prague, Czech Republic)

Abstract

This study is an effort to cover and interconnect multiple aspects of the fabrication of the yttria-stabilized zirconia (YSZ) from powder preparation to a solid electrolyte suitable for utilization in solid oxide cells. Thus, a series of YSZ electrolytes was prepared, differing in the content of the Y 2 O 3 dopant and in the method of preparation. Combustion synthesis along with the thermal decomposition of precursors was used for YSZ powder synthesis with a dopant content of 8 to 18 mol.%. Post-synthesis treatment of the powder was necessary for achieving satisfactory quality of the subsequent sintering step. The morphology analyses of the YSZ powders and sintered electrolytes produced proved that small particles with a uniform size distribution are essential for obtaining a dense electrolyte. Furthermore, the conductivity of YSZ electrolytes with different Y 2 O 3 contents was examined in the temperature range of 400 to 800 °C. The lowest conductivity was found for the sample with the highest Y 2 O 3 content. The obtained results enable the preparation methods, YSZ powder morphology, and composition to be connected to the mechanical and electrochemical properties of the YSZ electrolyte. Thus, this study links every step of YSZ electrolyte fabrication, which has not been sufficiently clearly described until now.

Suggested Citation

  • Michal Carda & Nela Adamová & Daniel Budáč & Veronika Rečková & Martin Paidar & Karel Bouzek, 2022. "Impact of Preparation Method and Y 2 O 3 Content on the Properties of the YSZ Electrolyte," Energies, MDPI, vol. 15(7), pages 1-17, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:7:p:2565-:d:784917
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    References listed on IDEAS

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    1. Cho, Gu Young & Lee, Yoon Ho & Yu, Wonjong & An, Jihwan & Cha, Suk Won, 2019. "Optimization of Y2O3 dopant concentration of yttria stabilized zirconia thin film electrolyte prepared by plasma enhanced atomic layer deposition for high performance thin film solid oxide fuel cells," Energy, Elsevier, vol. 173(C), pages 436-442.
    2. Ma, Shuai & Lin, Meng & Lin, Tzu-En & Lan, Tian & Liao, Xun & Maréchal, François & Van herle, Jan & Yang, Yongping & Dong, Changqing & Wang, Ligang, 2021. "Fuel cell-battery hybrid systems for mobility and off-grid applications: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 135(C).
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