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<p>The Zr<sub>0.9</sub>Sc<sub>0.1</sub>O<sub>2</sub>/Zr<sub>0.92</sub>Y<sub>0.08</sub>O<sub>2</sub> (SSZ/YSZ) bilayer systems serve as solid electrolytes for oxygen sensors and are created screen-printing technology used, with the YSZ electrolyte acting as the substrate and SSZ as the coating material. Comprehensive studies have been carried out on the phase composition, microstructure, and ionic conductivity of both the YSZ material and the SSZ/YSZ bilayer system. The results indicate that the SSZ layer in this bilayer system exhibits dense and uniform characteristics, while the SSZ/YSZ bilayer system showed an increase in ionic conductivity. This bilayer electrolyte material has successfully been used to fabricate an oxygen sensor, which have higher sensitivity compared to YSZ electrolyte oxygen sensors.</p>

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Zr0.9Sc0.1O2/Zr0.92Y0.08O2 bilayer solid electrolytes with high ionic conductivity for oxygen sensors in low oxygen partial pressure environments

  • 期刊论文

  • 发表日期：

    2025年3月21日

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  • Jie Zheng,
  • Ying Li,
  • Yongtao Huang,
  • Zezhong Wang,
  • Mingze Lv,
  • Wei Zhang,
  • Chunsheng Zhuang

摘要

The Zr0.9Sc0.1O2/Zr0.92Y0.08O2 (SSZ/YSZ) bilayer systems serve as solid electrolytes for oxygen sensors and are created screen-printing technology used, with the YSZ electrolyte acting as the substrate and SSZ as the coating material. Comprehensive studies have been carried out on the phase composition, microstructure, and ionic conductivity of both the YSZ material and the SSZ/YSZ bilayer system. The results indicate that the SSZ layer in this bilayer system exhibits dense and uniform characteristics, while the SSZ/YSZ bilayer system showed an increase in ionic conductivity. This bilayer electrolyte material has successfully been used to fabricate an oxygen sensor, which have higher sensitivity compared to YSZ electrolyte oxygen sensors.