JP5001214B2 - ガスセンサ素子及びガスセンサ - Google Patents
ガスセンサ素子及びガスセンサ Download PDFInfo
- Publication number
- JP5001214B2 JP5001214B2 JP2008118816A JP2008118816A JP5001214B2 JP 5001214 B2 JP5001214 B2 JP 5001214B2 JP 2008118816 A JP2008118816 A JP 2008118816A JP 2008118816 A JP2008118816 A JP 2008118816A JP 5001214 B2 JP5001214 B2 JP 5001214B2
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- JP
- Japan
- Prior art keywords
- gas sensor
- sensor element
- mass
- parts
- 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.)
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- 238000001514 detection method Methods 0.000 claims description 46
- 239000007784 solid electrolyte Substances 0.000 claims description 32
- 229910052697 platinum Inorganic materials 0.000 claims description 20
- 229910000510 noble metal Inorganic materials 0.000 claims description 13
- 239000007789 gas Substances 0.000 description 92
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 57
- 239000000523 sample Substances 0.000 description 36
- 230000004043 responsiveness Effects 0.000 description 27
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- 230000004044 response Effects 0.000 description 12
- 239000011195 cermet Substances 0.000 description 11
- 239000013078 crystal Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 5
- 239000002003 electrode paste Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 239000000454 talc Substances 0.000 description 5
- 229910052623 talc Inorganic materials 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 230000001012 protector Effects 0.000 description 4
- 239000000758 substrate Substances 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
- 238000011156 evaluation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 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
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- Measuring Oxygen Concentration In Cells (AREA)
Description
M={[Im(‐111)+Im(111)]/[Im(‐111)+Im(111)+Ict(111)]}×100
Claims (7)
- 固体電解質体と、この固体電解質体上に設けられると共に、被測定ガスに晒される検知電極と、前記固体電解質体を介して前記検知電極に対向するように当該固体電解質体上に設けられる基準電極とを備えたガスセンサ素子であって、
前記検知電極は、Ptからなり、Ptが100質量部に対して5質量部以上の単斜晶ZrO2を含み、当該検知電極の平均厚みが8μm以上とされていることを特徴とするガスセンサ素子。 - 請求項1記載のガスセンサ素子であって、
前記検知電極の平均厚みが130μm以下とされていることを特徴とするガスセンサ素子。 - 請求項1又は2記載のガスセンサ素子を具備したことを特徴とするガスセンサ。
- 固体電解質体と、この固体電解質体上に設けられると共に、被測定ガスに晒される検知電極と、前記固体電解質体を介して前記検知電極に対向するように当該固体電解質体上に設けられる基準電極とを備えたガスセンサ素子であって、
前記検知電極は、Ptを少なくとも含む貴金属成分からなり、Ptが100質量部に対して5質量部以上の単斜晶ZrO2を含み、当該検知電極の平均厚みが8μm以上とされていることを特徴とするガスセンサ素子。 - 請求項4記載のガスセンサ素子であって、
前記検知電極に占める貴金属成分と単斜晶ZrO2との合計が75体積%以上であることを特徴とするガスセンサ素子。 - 請求項4又は5記載のガスセンサ素子であって、
前記検知電極の平均厚みが130μm以下とされていることを特徴とするガスセンサ素子。 - 請求項4〜6いずれか1項記載のガスセンサ素子を具備したことを特徴とするガスセンサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008118816A JP5001214B2 (ja) | 2008-01-17 | 2008-04-30 | ガスセンサ素子及びガスセンサ |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008007586 | 2008-01-17 | ||
JP2008007586 | 2008-01-17 | ||
JP2008118816A JP5001214B2 (ja) | 2008-01-17 | 2008-04-30 | ガスセンサ素子及びガスセンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009192518A JP2009192518A (ja) | 2009-08-27 |
JP5001214B2 true JP5001214B2 (ja) | 2012-08-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008118816A Active JP5001214B2 (ja) | 2008-01-17 | 2008-04-30 | ガスセンサ素子及びガスセンサ |
Country Status (1)
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JP (1) | JP5001214B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5194051B2 (ja) * | 2010-05-14 | 2013-05-08 | 日本特殊陶業株式会社 | ガスセンサ素子及びガスセンサ |
JP6047103B2 (ja) * | 2011-12-14 | 2016-12-21 | 日本特殊陶業株式会社 | ガスセンサ用電極及びガスセンサ |
JP6354791B2 (ja) | 2015-10-09 | 2018-07-11 | 株式会社デンソー | ガスセンサ |
JP6471077B2 (ja) * | 2015-10-22 | 2019-02-13 | 日本特殊陶業株式会社 | ガスセンサ素子、及びガスセンサ素子を備えたガスセンサ |
JP6560099B2 (ja) * | 2015-10-28 | 2019-08-14 | 日本特殊陶業株式会社 | ガスセンサ素子及びガスセンサ |
CN113874719A (zh) * | 2019-06-06 | 2021-12-31 | 日本特殊陶业株式会社 | 气体传感器元件的制造方法、气体传感器元件和气体传感器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63210063A (ja) * | 1987-02-25 | 1988-08-31 | 株式会社日立製作所 | ジルコニア酸素センサ素子 |
JP2879965B2 (ja) * | 1990-10-30 | 1999-04-05 | 日本碍子株式会社 | 酸素センサ素子の製造方法 |
JP2002174621A (ja) * | 2000-12-08 | 2002-06-21 | Ngk Spark Plug Co Ltd | 炭化水素ガス濃度測定装置及びこれを用いた炭化水素ガス濃度測定方法 |
JP2003035693A (ja) * | 2001-07-18 | 2003-02-07 | Ngk Spark Plug Co Ltd | 可燃性ガスセンサ |
JP4084626B2 (ja) * | 2002-09-26 | 2008-04-30 | 京セラ株式会社 | 電極形成用ペーストおよびそれを用いた酸素センサ |
JP2006090898A (ja) * | 2004-09-24 | 2006-04-06 | Riken Corp | 窒素酸化物センサ |
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2008
- 2008-04-30 JP JP2008118816A patent/JP5001214B2/ja active Active
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