DE112020003625T5 - Gassensorelement und Gassensor - Google Patents
Gassensorelement und Gassensor Download PDFInfo
- Publication number
- DE112020003625T5 DE112020003625T5 DE112020003625.1T DE112020003625T DE112020003625T5 DE 112020003625 T5 DE112020003625 T5 DE 112020003625T5 DE 112020003625 T DE112020003625 T DE 112020003625T DE 112020003625 T5 DE112020003625 T5 DE 112020003625T5
- Authority
- DE
- Germany
- Prior art keywords
- electrode
- solid electrolyte
- gas
- gas sensor
- rhodium
- 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.)
- Pending
Links
- 239000010948 rhodium Substances 0.000 claims abstract description 101
- 238000001514 detection method Methods 0.000 claims abstract description 98
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 89
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 81
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000005259 measurement Methods 0.000 claims abstract description 50
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 41
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 186
- 239000001301 oxygen Substances 0.000 claims description 25
- 229910052760 oxygen Inorganic materials 0.000 claims description 25
- 238000003411 electrode reaction Methods 0.000 claims description 13
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 108
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 16
- -1 oxygen ion Chemical class 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000005086 pumping Methods 0.000 description 10
- 238000000611 regression analysis Methods 0.000 description 10
- 230000007423 decrease Effects 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 9
- 230000001603 reducing effect Effects 0.000 description 9
- 229910018967 Pt—Rh Inorganic materials 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 239000002923 metal particle Substances 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 229910001092 metal group alloy Inorganic materials 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010405 reoxidation reaction Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 229910001928 zirconium oxide 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
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000629 Rh alloy Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 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
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012299 nitrogen atmosphere 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
- 235000011837 pasties Nutrition 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008646 thermal stress 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
- G01N27/4075—Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts
-
- 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 |
|---|---|---|---|
| JP2019-139191 | 2019-07-29 | ||
| JP2019139191A JP7070517B2 (ja) | 2019-07-29 | 2019-07-29 | ガスセンサ素子およびガスセンサ |
| PCT/JP2020/025956 WO2021020016A1 (ja) | 2019-07-29 | 2020-07-02 | ガスセンサ素子およびガスセンサ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE112020003625T5 true DE112020003625T5 (de) | 2022-04-21 |
Family
ID=74229960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE112020003625.1T Pending DE112020003625T5 (de) | 2019-07-29 | 2020-07-02 | Gassensorelement und Gassensor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7070517B2 (enExample) |
| DE (1) | DE112020003625T5 (enExample) |
| WO (1) | WO2021020016A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220236212A1 (en) * | 2021-01-22 | 2022-07-28 | Ngk Insulators, Ltd. | SENSOR ELEMENT OF NOx SENSOR |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018100879A (ja) | 2016-12-20 | 2018-06-28 | 株式会社デンソー | ガスセンサ素子およびガスセンサユニット |
| JP2019139191A (ja) | 2018-02-15 | 2019-08-22 | キヤノン株式会社 | レンズフード、レンズ装置、及び撮像装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6131166B2 (ja) * | 2012-11-22 | 2017-05-17 | 株式会社デンソー | ガスセンサ用の電極及びそれを用いたガスセンサ素子 |
| WO2016111345A1 (ja) * | 2015-01-08 | 2016-07-14 | 株式会社デンソー | ＮＯｘセンサ |
| JP6540661B2 (ja) * | 2015-12-17 | 2019-07-10 | 株式会社デンソー | ガスセンサ素子及びガスセンサ |
| JP6543583B2 (ja) * | 2016-02-24 | 2019-07-10 | 株式会社Ｓｏｋｅｎ | ガスセンサ素子及びその製造方法 |
| JP6678134B2 (ja) * | 2017-07-07 | 2020-04-08 | 株式会社デンソー | ガスセンサ素子およびガスセンサ |
-
2019
- 2019-07-29 JP JP2019139191A patent/JP7070517B2/ja active Active
-
2020
- 2020-07-02 DE DE112020003625.1T patent/DE112020003625T5/de active Pending
- 2020-07-02 WO PCT/JP2020/025956 patent/WO2021020016A1/ja not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018100879A (ja) | 2016-12-20 | 2018-06-28 | 株式会社デンソー | ガスセンサ素子およびガスセンサユニット |
| JP2019139191A (ja) | 2018-02-15 | 2019-08-22 | キヤノン株式会社 | レンズフード、レンズ装置、及び撮像装置 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220236212A1 (en) * | 2021-01-22 | 2022-07-28 | Ngk Insulators, Ltd. | SENSOR ELEMENT OF NOx SENSOR |
| US12222314B2 (en) * | 2021-01-22 | 2025-02-11 | Ngk Insulators, Ltd. | Sensor element of NOx sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021020016A1 (ja) | 2021-02-04 |
| JP2021021660A (ja) | 2021-02-18 |
| JP7070517B2 (ja) | 2022-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed |