Influence of thickness on the electrical conductivity of YSZ electrolytes

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概要

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• Eight percent (mole fraction) yttria-stabilized zirconia (8YSZ) electrolyte samples with thicknesses ranging from 150 µm to 1.2 mm were fabricated to determine the relationship between the thickness and electrical conductivity. In principle, this range can be considered to be an extension from the macro-scale to micro-scale. X-ray diffraction (XRD), scanning electron microscopy (SEM), and alternating current complex impedance were used to characterize the samples. A nonlinear relationship between electrical conductivity and temperature was observed and explained by the “surface effect.” In addition, both the pre-exponential factor and activation energy were confirmed to be significant factors affecting electrical conductivity.

• 公益社団法人 日本セラミックス協会の論文

著者

• Zhao Wei

  Institute for Processing and Application of Inorganic Materials (PAIM), Department of Materials Scie

• Kim Ik

  Institute for Processing and Application of Inorganic Materials (PAIM), Department of Materials Scie

• Gong Jianghong

  Department of Materials Science and Engineering, Tsinghua University

• ZHAO Wei

  Institute for Processing and Application of Inorganic Materials (PAIM), Department of Materials Science and Engineering, Hanseo University

関連論文

• Influence of thickness on the electrical conductivity of YSZ electrolytes
• Characterization of multi-walled carbon nanotubes (MWNTs) synthesized by CCVD using zeolite template from acetylene

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