Related Experiment Video
Updated: Nov 23, 2025
07:42
Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications
Published on: January 22, 2019
11.5K
Microplotter printing of planar solid electrolytes in the CeO2-Y2O3 system.
Tatiana L Simonenko1, Nikolay P Simonenko1, Philipp Yu Gorobtsov1
1Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., Moscow 119991, Russia.
Journal of Colloid and Interface Science
|January 3, 2021
Summary
Researchers developed a new method for creating solid electrolytes for fuel cells using advanced printing technology. This process yields high-quality, defect-free coatings with tunable properties for improved performance.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Solid electrolytes are crucial for intermediate-temperature solid oxide fuel cells (IT-SOFCs).
- Developing efficient fabrication methods for high-performance solid electrolytes is essential for advancing fuel cell technology.
Purpose of the Study:
- To investigate the formation process of planar solid electrolytes in the cerium dioxide-yttrium oxide (CeO2-Y2O3) system.
- To optimize the microstructure and electrophysical properties of CeO2-Y2O3 coatings using microplotter printing technology.
- To assess the suitability of these solid electrolytes for IT-SOFC applications.
Main Methods:
- Utilized microplotter printing technology with functional ink based on CeO2-Y2O3 nanopowders.
- Characterized nanopowders and coatings using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and atomic force microscopy (AFM).
- Evaluated local electrophysical characteristics with Kelvin-probe force microscopy (KPFM) and scanning capacitive microscopy (SCM), and overall impedance spectroscopy.
Main Results:
- Successfully fabricated homogeneous, defect-free CeO2-Y2O3 coatings with controlled microstructure and cubic fluorite crystal structure.
- Determined the electronic state and content of cerium and yttrium using XPS.
- Demonstrated tunable electrophysical properties, including surface potential and capacitance, dependent on yttrium concentration.
- Achieved low height differences (30-45 nm) over 1 µm² areas, indicating high-quality coatings.
Conclusions:
- The microplotter printing technology enables the efficient fabrication of high-quality planar solid electrolytes in the CeO2-Y2O3 system.
- The developed solid electrolytes exhibit promising properties for application in intermediate-temperature solid oxide fuel cells.
- Further research can explore optimizing yttrium content for specific IT-SOFC performance requirements.
