DE112019005751T5 - Gassensor - Google Patents
Gassensor Download PDFInfo
- Publication number
- DE112019005751T5 DE112019005751T5 DE112019005751.0T DE112019005751T DE112019005751T5 DE 112019005751 T5 DE112019005751 T5 DE 112019005751T5 DE 112019005751 T DE112019005751 T DE 112019005751T DE 112019005751 T5 DE112019005751 T5 DE 112019005751T5
- Authority
- DE
- Germany
- Prior art keywords
- electrode
- gas
- detection electrode
- ammonia
- 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.)
- Withdrawn
Links
- 239000007789 gas Substances 0.000 claims abstract description 246
- 238000001514 detection method Methods 0.000 claims abstract description 201
- 239000001301 oxygen Substances 0.000 claims abstract description 160
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 160
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 147
- 238000010438 heat treatment Methods 0.000 claims abstract description 64
- 238000006722 reduction reaction Methods 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000006056 electrooxidation reaction Methods 0.000 claims abstract description 5
- 239000007784 solid electrolyte Substances 0.000 claims description 66
- 230000005284 excitation Effects 0.000 claims description 23
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 410
- 229910021529 ammonia Inorganic materials 0.000 abstract description 203
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 233
- 238000012360 testing method Methods 0.000 description 33
- 239000003054 catalyst Substances 0.000 description 26
- 238000012937 correction Methods 0.000 description 26
- 238000007254 oxidation reaction Methods 0.000 description 24
- 230000003247 decreasing effect Effects 0.000 description 21
- 238000005086 pumping Methods 0.000 description 21
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 18
- 230000008859 change Effects 0.000 description 17
- 238000012795 verification Methods 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 238000002485 combustion reaction Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 14
- 239000003638 chemical reducing agent Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 230000003197 catalytic effect Effects 0.000 description 12
- -1 oxygen ion Chemical class 0.000 description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 11
- 230000004044 response Effects 0.000 description 9
- 230000035945 sensitivity Effects 0.000 description 8
- 229910002091 carbon monoxide Inorganic materials 0.000 description 7
- 239000000446 fuel Substances 0.000 description 7
- 239000010931 gold Substances 0.000 description 7
- 239000007769 metal material Substances 0.000 description 7
- 229910000510 noble metal Inorganic materials 0.000 description 7
- 230000001052 transient effect Effects 0.000 description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 6
- 239000004202 carbamide Substances 0.000 description 6
- 238000010531 catalytic reduction reaction Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 229910001260 Pt alloy Inorganic materials 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000001931 thermography Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000010948 rhodium Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011195 cermet Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910002076 stabilized zirconia Inorganic materials 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
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 206010001497 Agitation Diseases 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
- 238000013459 approach Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910002077 partially stabilized zirconia Inorganic materials 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation 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
- 230000035484 reaction time Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-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
- G01N27/4067—Means for heating or controlling the temperature of the solid electrolyte
-
- 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
- G01N27/4073—Composition or fabrication of the solid electrolyte
- G01N27/4074—Composition or fabrication of the solid electrolyte for detection of gases other than oxygen
-
- 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
-
- 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
- G01N27/4071—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018214827A JP7149166B2 (ja) | 2018-11-15 | 2018-11-15 | ガスセンサ |
| JP2018-214827 | 2018-11-15 | ||
| PCT/JP2019/043175 WO2020100644A1 (ja) | 2018-11-15 | 2019-11-04 | ガスセンサ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE112019005751T5 true DE112019005751T5 (de) | 2021-07-29 |
Family
ID=70731518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE112019005751.0T Withdrawn DE112019005751T5 (de) | 2018-11-15 | 2019-11-04 | Gassensor |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20210262974A1 (enExample) |
| JP (1) | JP7149166B2 (enExample) |
| DE (1) | DE112019005751T5 (enExample) |
| WO (1) | WO2020100644A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948270A (zh) * | 2020-07-29 | 2020-11-17 | 张旭 | 一种用于高温恶劣工况下的危险气体报警器 |
| JP7402786B2 (ja) * | 2020-12-04 | 2023-12-21 | 株式会社Soken | ガス濃度検出装置 |
| WO2025126693A1 (ja) * | 2023-12-12 | 2025-06-19 | 日本碍子株式会社 | ガスセンサ |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010038806A (ja) | 2008-08-07 | 2010-02-18 | Ngk Spark Plug Co Ltd | マルチガスセンサ及びガスセンサ制御装置 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60259951A (ja) * | 1984-06-06 | 1985-12-23 | Ngk Insulators Ltd | 電気化学的素子 |
| JP3571494B2 (ja) * | 1997-05-20 | 2004-09-29 | 日本碍子株式会社 | ガスセンサ |
| JP3122413B2 (ja) * | 1997-10-03 | 2001-01-09 | 株式会社リケン | ガスセンサ |
| JPH11201943A (ja) * | 1997-11-12 | 1999-07-30 | Ngk Spark Plug Co Ltd | 可燃性ガス成分濃度測定装置、ｃｈ４ガスセンサ及びｃｈ４ガス成分の濃度測定方法 |
| JP2001041927A (ja) * | 1999-07-30 | 2001-02-16 | Riken Corp | 窒素酸化物ガスセンサ |
| JP5204160B2 (ja) | 2009-09-03 | 2013-06-05 | 日本特殊陶業株式会社 | マルチガスセンサの制御方法及びマルチガスセンサの制御装置 |
| JP5215500B2 (ja) | 2012-11-13 | 2013-06-19 | 日本特殊陶業株式会社 | マルチガスセンサ及びガスセンサ制御装置 |
| JP6169763B2 (ja) | 2013-12-16 | 2017-07-26 | 株式会社Ｓｏｋｅｎ | ガスセンサ |
| JP6350359B2 (ja) | 2014-06-16 | 2018-07-04 | 株式会社デンソー | ガスセンサ |
| US10436739B1 (en) * | 2014-10-06 | 2019-10-08 | Bjr Sensors Llc | Low cost, fast and sensitive NOx and NH3 sensor |
| JP2018021819A (ja) | 2016-08-03 | 2018-02-08 | 日本特殊陶業株式会社 | ガスセンサ素子及びガスセンサ |
| JP6759001B2 (ja) * | 2016-08-26 | 2020-09-23 | 日本碍子株式会社 | ガスセンサおよびガスセンサによるガス濃度測定方法 |
| 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 |
| JP6824828B2 (ja) | 2016-10-24 | 2021-02-03 | 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 |
-
2018
- 2018-11-15 JP JP2018214827A patent/JP7149166B2/ja active Active
-
2019
- 2019-11-04 WO PCT/JP2019/043175 patent/WO2020100644A1/ja not_active Ceased
- 2019-11-04 DE DE112019005751.0T patent/DE112019005751T5/de not_active Withdrawn
-
2021
- 2021-05-13 US US17/319,428 patent/US20210262974A1/en not_active Abandoned
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010038806A (ja) | 2008-08-07 | 2010-02-18 | Ngk Spark Plug Co Ltd | マルチガスセンサ及びガスセンサ制御装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020100644A1 (ja) | 2020-05-22 |
| JP7149166B2 (ja) | 2022-10-06 |
| JP2020085465A (ja) | 2020-06-04 |
| US20210262974A1 (en) | 2021-08-26 |
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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 |