DE112020004482T5 - Gassensor - Google Patents
Gassensor Download PDFInfo
- Publication number
- DE112020004482T5 DE112020004482T5 DE112020004482.3T DE112020004482T DE112020004482T5 DE 112020004482 T5 DE112020004482 T5 DE 112020004482T5 DE 112020004482 T DE112020004482 T DE 112020004482T DE 112020004482 T5 DE112020004482 T5 DE 112020004482T5
- Authority
- DE
- Germany
- Prior art keywords
- detection
- gas
- detection electrodes
- electrode
- solid electrolyte
- 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.)
- Withdrawn
Links
- 238000001514 detection method Methods 0.000 claims abstract description 192
- 239000007789 gas Substances 0.000 claims abstract description 127
- 230000035945 sensitivity Effects 0.000 claims abstract description 57
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 50
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000001301 oxygen Substances 0.000 claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 33
- 230000008859 change Effects 0.000 claims description 25
- 230000020169 heat generation Effects 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 73
- 229910021529 ammonia Inorganic materials 0.000 description 33
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 17
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 16
- 239000003054 catalyst Substances 0.000 description 15
- 238000007254 oxidation reaction Methods 0.000 description 12
- 238000006722 reduction reaction Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 229910000510 noble metal Inorganic materials 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 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
- 230000007423 decrease Effects 0.000 description 6
- 229910001882 dioxygen Inorganic materials 0.000 description 6
- 239000012212 insulator Substances 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 5
- 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
- 239000010931 gold Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 230000001052 transient effect Effects 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
- 239000011241 protective layer Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 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
- 238000006056 electrooxidation reaction Methods 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
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910002077 partially stabilized zirconia Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 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
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019172393A JP7071951B2 (ja) | 2019-09-23 | 2019-09-23 | ガスセンサ |
| JP2019-172393 | 2019-09-23 | ||
| PCT/JP2020/029933 WO2021059758A1 (ja) | 2019-09-23 | 2020-08-05 | ガスセンサ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE112020004482T5 true DE112020004482T5 (de) | 2022-06-15 |
Family
ID=75157577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE112020004482.3T Withdrawn DE112020004482T5 (de) | 2019-09-23 | 2020-08-05 | Gassensor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7071951B2 (enExample) |
| DE (1) | DE112020004482T5 (enExample) |
| WO (1) | WO2021059758A1 (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017090404A (ja) | 2015-11-17 | 2017-05-25 | 日本碍子株式会社 | ガスセンサ |
| JP2019172393A (ja) | 2018-03-27 | 2019-10-10 | 日東電工株式会社 | 粘着テープ接合装置 |
Family Cites Families (6)
| 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 |
| JP2001221772A (ja) * | 2000-02-08 | 2001-08-17 | Riken Corp | 電気化学センサ |
| US7585402B2 (en) * | 2004-06-18 | 2009-09-08 | Bjr Sensors, Llc | Method of sensor conditioning for improving signal output stability for mixed gas measurements |
| JP6867921B2 (ja) * | 2016-10-24 | 2021-05-12 | 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 |
| JP6998802B2 (ja) * | 2018-03-12 | 2022-02-04 | 日本碍子株式会社 | ガスセンサ |
| JP6998801B2 (ja) * | 2018-03-12 | 2022-02-04 | 日本碍子株式会社 | ガスセンサ |
-
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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017090404A (ja) | 2015-11-17 | 2017-05-25 | 日本碍子株式会社 | ガスセンサ |
| JP2019172393A (ja) | 2018-03-27 | 2019-10-10 | 日東電工株式会社 | 粘着テープ接合装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7071951B2 (ja) | 2022-05-19 |
| JP2021050944A (ja) | 2021-04-01 |
| WO2021059758A1 (ja) | 2021-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed | ||
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |