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Updated: May 25, 2026

High Temperature Fabrication of Nanostructured Yttria-Stabilized-Zirconia (YSZ) Scaffolds by In Situ Carbon Templating Xerogels
Published on: April 16, 2017
Resistive oxygen sensor using ceria-zirconia sensor material and ceria-yttria temperature compensating material for
Noriya Izu1, Sayaka Nishizaki, Woosuck Shin
1National Institute of Advanced Industrial Science and Technology (AIST), Advanced Manufacturing Research Institute, 2266-98 Anagahora, Shimo-Shidami, Moriyama-ku, Nagoya 463-8560, Japan; E-Mails: s-nishizaki@aist.go.jp (S.N.); w.shin@aist.go.jp (W.S.); itoh-toshio@aist.go.jp (T.I); m-nishibori@aist.go.jp (M.N.); matsubara-i@aist.go.jp (I.M.).
Abstract:
Temperature compensating materials were investigated for a resistive oxygen sensor using Ce(0.9)Zr(0.1)O(2) as a sensor material for lean-burn engines. The temperature dependence of a temperature compensating material should be the same as the sensor material; therefore, the Y concentration in CeO(2)-Y(2)O(3) was optimized. The resistance of Ce(0.5)Y(0.5)O(2-δ) was independent of the air-to-fuel ratio (oxygen partial pressure), so that it was confirmed to function as a temperature compensating material. Sensor elements comprised of Ce(0.9)Zr(0.1)O(2) and Ce(0.5)Y(0.5)O(2-δ) were fabricated and the output was determined to be approximately independent of the temperature in the wide range from 773 to 1,073 K.
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