An amperometric solid state NO sensor using a LaGaO3 electrolyte for monitoring exhaust gas

Atanu Dutta; Tatsumi Ishihara

doi:10.1080/10426910500464404

An amperometric solid state NO sensor using a LaGaO₃ electrolyte for monitoring exhaust gas

Atanu Dutta, Tatsumi Ishihara

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

A LaGaO 3 -based electrochemical sensor in the amperometric mode was demonstrated as highly sensitive to NO in the temperature range 500-700°C. Sensor performance was found dependent on the Ni doping of LaGaO 3 . Using optimized electrode materials, highest sensitivity was achieved as high as 2409 A/decade (at 550°C) when Ni doping to electrolyte was 7 mol%. The selectivity of the sensor was found very high to NO with respect to the typical coexisting gases in the exhaust environment. The sensing principle was observed to follow the mixed potential behavior.

Original language	English
Pages (from-to)	225-228
Number of pages	4
Journal	Materials and Manufacturing Processes
Volume	21
Issue number	3
DOIs	https://doi.org/10.1080/10426910500464404
Publication status	Published - Mar 2006

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering
General Materials Science

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10.1080/10426910500464404

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abstract = "A LaGaO 3 -based electrochemical sensor in the amperometric mode was demonstrated as highly sensitive to NO in the temperature range 500-700°C. Sensor performance was found dependent on the Ni doping of LaGaO 3 . Using optimized electrode materials, highest sensitivity was achieved as high as 2409 A/decade (at 550°C) when Ni doping to electrolyte was 7 mol%. The selectivity of the sensor was found very high to NO with respect to the typical coexisting gases in the exhaust environment. The sensing principle was observed to follow the mixed potential behavior.",

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AB - A LaGaO 3 -based electrochemical sensor in the amperometric mode was demonstrated as highly sensitive to NO in the temperature range 500-700°C. Sensor performance was found dependent on the Ni doping of LaGaO 3 . Using optimized electrode materials, highest sensitivity was achieved as high as 2409 A/decade (at 550°C) when Ni doping to electrolyte was 7 mol%. The selectivity of the sensor was found very high to NO with respect to the typical coexisting gases in the exhaust environment. The sensing principle was observed to follow the mixed potential behavior.

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An amperometric solid state NO sensor using a LaGaO₃ electrolyte for monitoring exhaust gas

Abstract

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