JP7071951B2 - ガスセンサ - Google Patents
ガスセンサ Download PDFInfo
- Publication number
- JP7071951B2 JP7071951B2 JP2019172393A JP2019172393A JP7071951B2 JP 7071951 B2 JP7071951 B2 JP 7071951B2 JP 2019172393 A JP2019172393 A JP 2019172393A JP 2019172393 A JP2019172393 A JP 2019172393A JP 7071951 B2 JP7071951 B2 JP 7071951B2
- Authority
- JP
- Japan
- Prior art keywords
- detection
- detection electrodes
- solid electrolyte
- gas
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims description 273
- 239000007789 gas Substances 0.000 claims description 118
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 73
- 230000035945 sensitivity Effects 0.000 claims description 54
- 239000007784 solid electrolyte Substances 0.000 claims description 51
- 239000001301 oxygen Substances 0.000 claims description 33
- 229910052760 oxygen Inorganic materials 0.000 claims description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 30
- 230000020169 heat generation Effects 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 description 32
- 230000008859 change Effects 0.000 description 24
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 21
- 239000003054 catalyst Substances 0.000 description 17
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 16
- 238000006722 reduction reaction Methods 0.000 description 13
- 238000007254 oxidation reaction Methods 0.000 description 12
- 229910000510 noble metal Inorganic materials 0.000 description 10
- 239000012212 insulator Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 229910001882 dioxygen Inorganic materials 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 3
- 229910001020 Au alloy Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000003353 gold alloy Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 oxygen ions Chemical class 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910002077 partially stabilized zirconia Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical group 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/409—Oxygen concentration cells
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019172393A JP7071951B2 (ja) | 2019-09-23 | 2019-09-23 | ガスセンサ |
| DE112020004482.3T DE112020004482T5 (de) | 2019-09-23 | 2020-08-05 | Gassensor |
| PCT/JP2020/029933 WO2021059758A1 (ja) | 2019-09-23 | 2020-08-05 | ガスセンサ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019172393A JP7071951B2 (ja) | 2019-09-23 | 2019-09-23 | ガスセンサ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021050944A JP2021050944A (ja) | 2021-04-01 |
| JP2021050944A5 JP2021050944A5 (enExample) | 2021-10-07 |
| JP7071951B2 true JP7071951B2 (ja) | 2022-05-19 |
Family
ID=75157577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019172393A Active JP7071951B2 (ja) | 2019-09-23 | 2019-09-23 | ガスセンサ |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7071951B2 (enExample) |
| DE (1) | DE112020004482T5 (enExample) |
| WO (1) | WO2021059758A1 (enExample) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001221772A (ja) | 2000-02-08 | 2001-08-17 | Riken Corp | 電気化学センサ |
| JP2009500594A (ja) | 2005-06-15 | 2009-01-08 | ファーバー・ボリス | 混合ガス測定用に信号出力安定度を改良するためのセンサ条件の方法 |
| JP2018173397A (ja) | 2016-10-24 | 2018-11-08 | 日本碍子株式会社 | アンモニア濃度測定装置，アンモニア濃度測定システム，排ガス処理システム，及びアンモニア濃度測定方法 |
| JP2019158494A (ja) | 2018-03-12 | 2019-09-19 | 日本碍子株式会社 | ガスセンサ |
| JP2019158495A (ja) | 2018-03-12 | 2019-09-19 | 日本碍子株式会社 | ガスセンサ |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001041927A (ja) * | 1999-07-30 | 2001-02-16 | Riken Corp | 窒素酸化物ガスセンサ |
| JP6523144B2 (ja) * | 2015-11-17 | 2019-05-29 | 日本碍子株式会社 | ガスセンサ |
| JP7065555B2 (ja) | 2018-03-27 | 2022-05-12 | 日東電工株式会社 | 粘着テープ接合装置 |
-
2019
- 2019-09-23 JP JP2019172393A patent/JP7071951B2/ja active Active
-
2020
- 2020-08-05 WO PCT/JP2020/029933 patent/WO2021059758A1/ja not_active Ceased
- 2020-08-05 DE DE112020004482.3T patent/DE112020004482T5/de not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001221772A (ja) | 2000-02-08 | 2001-08-17 | Riken Corp | 電気化学センサ |
| JP2009500594A (ja) | 2005-06-15 | 2009-01-08 | ファーバー・ボリス | 混合ガス測定用に信号出力安定度を改良するためのセンサ条件の方法 |
| JP2018173397A (ja) | 2016-10-24 | 2018-11-08 | 日本碍子株式会社 | アンモニア濃度測定装置，アンモニア濃度測定システム，排ガス処理システム，及びアンモニア濃度測定方法 |
| JP2019158494A (ja) | 2018-03-12 | 2019-09-19 | 日本碍子株式会社 | ガスセンサ |
| JP2019158495A (ja) | 2018-03-12 | 2019-09-19 | 日本碍子株式会社 | ガスセンサ |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021050944A (ja) | 2021-04-01 |
| DE112020004482T5 (de) | 2022-06-15 |
| WO2021059758A1 (ja) | 2021-04-01 |
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