International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

Preparation of Electrolyte Based on YSZ Material at the Green Boundary of NiO-YSZ

Abstract

The development of alternative energy technologies, particularly based on fuel cells, has become a primary focus in material research for energy applications. Solid Oxide Fuel Cells (SOFCs) are promising due to their high efficiency, fuel flexibility, and relatively low environmental impact. In SOFC systems, the electrolyte plays a key role in the oxygen ion conduction from the cathode to the anode. Yttria-Stabilized Zirconia (YSZ) is a widely researched electrolyte material due to its superior ionic conductivity at high temperatures, chemical stability, and thermal compatibility with other materials in SOFCs. However, optimizing the performance of YSZ-based electrolytes at intermediate-to-low operating temperatures remains a challenge. This research explores a new approach for fabricating YSZ electrolytes with an emphasis on optimizing the green boundary between NiO-YSZ composites, which significantly affects ionic conductivity and electrochemical performance. A spin coating method was employed to create YSZ layers with controlled thickness and homogeneity. The addition of polyethylene glycol (PEG) as a binder enhanced slurry viscosity and layer uniformity. Scanning Electron Microscopy (SEM) analysis revealed dense, crack-free, and uniform YSZ layers with submicron crystalline grains, contributing to improved ionic conductivity and mechanical stability. The findings suggest that optimizing green boundary structures can enhance the overall performance of SOFCs, particularly in medium-temperature applications, making significant contributions to more efficient fuel cell technology development.

Country : Indonesia

1 Muhammad Faesal Febriandyono2 Sulistyo3 Mohammad Tauviqirrahman4 Rayhan Calista5 Tatagraha Rahmanda6 Fachrizal Radya Mahendra

  1. Mechanical Engineering, Diponegoro University, Prof. Sudharto Street, Tembalang-Semarang 50275, Indonesia
  2. Mechanical Engineering, Diponegoro University, Prof. Sudharto Street, Tembalang-Semarang 50275, Indonesia
  3. Mechanical Engineering, Diponegoro University, Prof. Sudharto Street, Tembalang-Semarang 50275, Indonesia
  4. Mechanical Engineering, Diponegoro University, Prof. Sudharto Street, Tembalang-Semarang 50275, Indonesia
  5. Mechanical Engineering, Diponegoro University, Prof. Sudharto Street, Tembalang-Semarang 50275, Indonesia
  6. Mechanical Engineering, Diponegoro University, Prof. Sudharto Street, Tembalang-Semarang 50275, Indonesia

IRJIET, Volume 9, Issue 1, January 2025 pp. 170-174

doi.org/10.47001/IRJIET/2025.901021

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