JP2016065827A5 - - Google Patents
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- Publication number
- JP2016065827A5 JP2016065827A5 JP2014195724A JP2014195724A JP2016065827A5 JP 2016065827 A5 JP2016065827 A5 JP 2016065827A5 JP 2014195724 A JP2014195724 A JP 2014195724A JP 2014195724 A JP2014195724 A JP 2014195724A JP 2016065827 A5 JP2016065827 A5 JP 2016065827A5
- Authority
- JP
- Japan
- Prior art keywords
- metal particles
- less
- noble metal
- influence
- mass
- 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.)
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- 239000002923 metal particle Substances 0.000 description 6
- 229910000510 noble metal Inorganic materials 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
Description
貴金属粒子の平均粒径は、１ｎｍ以上１０ｎｍ以下であることが好ましく、１ｎｍ以上１００ｎｍ以下であることがさらに好ましい。貴金属粒子の平均粒径が１ｎｍ以上１０ｎｍ以下であることにより、貴金属粒子の作用面積が増大することに加え、貴金属粒子の担持分散性が良好となるため、可燃性の干渉ガスの影響をさらに抑制することができる。 The average particle diameter of the noble metal particles, 10 nm or less der Rukoto is preferably not less than 1 nm, and more preferably 1 nm or more 100nm or less. By average particle diameter of the noble metal particles is 10nm or less than 1 nm, in addition to the active area of the precious metal particles is increased, since the carrying dispersibility of the noble metal particles becomes good, further the influence of the combustible interference gas Can be suppressed.
触媒膜１５中の貴金属粒子の含有量は、１質量％以上４０質量％以下であることが好ましく、０．５質量％以上５０質量％以下であることがさらに好ましい。触媒膜１５中の貴金属粒子の含有量が１質量％以上４０質量％以下であることにより、金属酸化物粒子の表面に貴金属粒子が一様に担持されることにより、可燃性の干渉ガスの影響をさらに抑制することができる。
The content of the noble metal particles in the catalyst layer 15 is 1 wt% to 40 wt% or less der Rukoto by weight, more preferably not more than 0.5 wt% to 50 wt%. When the content of the noble metal particles in the catalyst film 15 is not less than 1 % by mass and not more than 40% by mass, the noble metal particles are uniformly supported on the surface of the metal oxide particles, thereby affecting the influence of flammable interference gas. Can be further suppressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014195724A JP6367666B2 (en) | 2014-09-25 | 2014-09-25 | Oxygen sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014195724A JP6367666B2 (en) | 2014-09-25 | 2014-09-25 | Oxygen sensor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016065827A JP2016065827A (en) | 2016-04-28 |
| JP2016065827A5 true JP2016065827A5 (en) | 2017-12-14 |
| JP6367666B2 JP6367666B2 (en) | 2018-08-01 |
Family
ID=55805341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014195724A Active JP6367666B2 (en) | 2014-09-25 | 2014-09-25 | Oxygen sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6367666B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017223557A (en) * | 2016-06-15 | 2017-12-21 | 富士電機株式会社 | Gas sensor |
| JP7296625B2 (en) * | 2019-08-22 | 2023-06-23 | 国立研究開発法人産業技術総合研究所 | oxygen sensor |
| JP7461850B2 (en) | 2020-10-20 | 2024-04-04 | 大陽日酸株式会社 | Detection element, method for manufacturing detection element, and gas concentration measurement unit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53146696A (en) * | 1977-05-26 | 1978-12-20 | Kyoto Ceramic | Titania porcelain oxygen sensor element |
| JPS5664652A (en) * | 1979-10-31 | 1981-06-01 | Toyota Motor Corp | Semiconductor oxygen sensor element |
| JPS56162041A (en) * | 1980-05-16 | 1981-12-12 | Fuji Electric Co Ltd | Oxygen sensor |
| JPH07107524B2 (en) * | 1986-09-10 | 1995-11-15 | 日本特殊陶業株式会社 | Oxygen gas detector |
| US5776601A (en) * | 1996-10-28 | 1998-07-07 | General Motors Corporation | Titania exhaust gas oxygen sensor |
| JP2008026307A (en) * | 2006-06-23 | 2008-02-07 | Yamaha Motor Co Ltd | Oxygen sensor, internal-combustion engine employing the same and transport equipment |
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2014
- 2014-09-25 JP JP2014195724A patent/JP6367666B2/en active Active
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