Resistive oxygen sensor using ceria-zirconia sensor material and ceria-yttria temperature compensating material for lean-burn engine

Noriya Izu, Sayaka Nishizaki, Woosuck Shin, Toshio Itoh, Maiko Nishibori, Ichiro Matinfara

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Temperature compensating materials were investigated for a resistive oxygen sensor using Ce0.9Zr0.1O2 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 CeO2-Y2O3 was optimized. The resistance of Ce0.5Y0.5O2-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 Ce0.9Zr0.1O2 and Ce0.5Y0.5O2-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.

Original languageEnglish
Pages (from-to)8884-8895
Number of pages12
JournalSensors
Volume9
Issue number11
DOIs
Publication statusPublished - Nov 1 2009

Fingerprint

Oxygen sensors
Yttrium oxide
Cerium compounds
Burns
zirconium oxides
Zirconia
engines
Oxygen
Engines
Temperature
sensors
Sensors
oxygen
temperature
Partial Pressure
partial pressure
Partial pressure
temperature dependence
Air
zirconium oxide

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Biochemistry
  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Resistive oxygen sensor using ceria-zirconia sensor material and ceria-yttria temperature compensating material for lean-burn engine. / Izu, Noriya; Nishizaki, Sayaka; Shin, Woosuck; Itoh, Toshio; Nishibori, Maiko; Matinfara, Ichiro.

In: Sensors, Vol. 9, No. 11, 01.11.2009, p. 8884-8895.

Research output: Contribution to journalArticle

Izu, Noriya ; Nishizaki, Sayaka ; Shin, Woosuck ; Itoh, Toshio ; Nishibori, Maiko ; Matinfara, Ichiro. / Resistive oxygen sensor using ceria-zirconia sensor material and ceria-yttria temperature compensating material for lean-burn engine. In: Sensors. 2009 ; Vol. 9, No. 11. pp. 8884-8895.
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