GAS SENSOR ELEMENT AND GAS SENSOR

WIPO Patent Application WO/2019/172330

A1

This gas sensor element is provided with: a solid electrolyte body which contains ZrO2 that has oxygen ion conductivity; a detection electrode which is arranged on the solid electrolyte body and is exposed to a gas to be measured; and a reference electrode which is arranged on the solid electrolyte body and is exposed to a reference gas. With respect to this gas sensor element, the detection electrode contains Pt and ZrO2. The detection electrode has a thickness of 3-10 μm. With respect to this detection electrode, the content of ZrO2 is 12-80 wt% relative to Pt. The detection electrode has a porosity of 5% or less. With respect to a graph showing the particle size distribution of the ZrO2 particles within the detection electrode, the cumulative value of peaks within the range of from 0.025 μm to 0.200 μm is 60-75%, and the cumulative value of peaks within the range of from 1.000 μm to 3.162 μm is 2-7%.

JPH0752615	[Name of invention] Mounting device for oxygen sensor for internal combustion engine
JPH04254751	MEASURING METHOD OF CONCENTRATION OF OZONE

MATSUMURA MIDORI (JP)
ISOMURA HIROSHI (JP)
YOSHIOKA KAZUKI (JP)
OTA RYOSUKE (JP)

PCT/JP2019/008926

September 12, 2019

March 06, 2019

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NGK SPARK PLUG CO (JP)

G01N27/409

WO2017146120A1

2017-08-31

JP2014038061A	2014-02-27
JP2003322631A	2003-11-14

NAGOYA INTERNATIONAL PATENT FIRM (JP)

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