JP2021021660A5 - - Google Patents
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- JP2021021660A5 JP2021021660A5 JP2019139191A JP2019139191A JP2021021660A5 JP 2021021660 A5 JP2021021660 A5 JP 2021021660A5 JP 2019139191 A JP2019139191 A JP 2019139191A JP 2019139191 A JP2019139191 A JP 2019139191A JP 2021021660 A5 JP2021021660 A5 JP 2021021660A5
- Authority
- JP
- Japan
- Prior art keywords
- region
- electrode
- rhodium
- width
- detection electrode
- 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.)
- Granted
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- 238000001514 detection method Methods 0.000 claims description 70
- 239000007789 gas Substances 0.000 claims description 64
- 239000010948 rhodium Substances 0.000 claims description 48
- 229910052703 rhodium Inorganic materials 0.000 claims description 45
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 45
- 239000007784 solid electrolyte Substances 0.000 claims description 32
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 15
- 229910000510 noble metal Inorganic materials 0.000 claims description 13
- 238000003411 electrode reaction Methods 0.000 claims description 10
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 13
- 238000005259 measurement Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000013507 mapping Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910000629 Rh alloy Inorganic materials 0.000 description 1
- 229910002087 alumina-stabilized zirconia Inorganic materials 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
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000851 scanning transmission electron micrograph Methods 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
Images
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
| DE112020003625.1T DE112020003625T5 (de) | 2019-07-29 | 2020-07-02 | Gassensorelement und Gassensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019139191A JP7070517B2 (ja) | 2019-07-29 | 2019-07-29 | ガスセンサ素子およびガスセンサ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021021660A JP2021021660A (ja) | 2021-02-18 |
| JP2021021660A5 true JP2021021660A5 (enExample) | 2021-07-26 |
| JP7070517B2 JP7070517B2 (ja) | 2022-05-18 |
Family
ID=74229960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019139191A Active JP7070517B2 (ja) | 2019-07-29 | 2019-07-29 | ガスセンサ素子およびガスセンサ |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7070517B2 (enExample) |
| DE (1) | DE112020003625T5 (enExample) |
| WO (1) | WO2021020016A1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12222314B2 (en) * | 2021-01-22 | 2025-02-11 | Ngk Insulators, Ltd. | Sensor element of NOx sensor |
Family Cites Families (7)
| 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 |
| JP6693405B2 (ja) * | 2016-12-20 | 2020-05-13 | 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 |
| 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 |
| 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 |
-
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
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