JP5424286B2 - 酸素分圧制御装置および酸素分圧測定器 - Google Patents
酸素分圧制御装置および酸素分圧測定器 Download PDFInfo
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- 239000001301 oxygen Substances 0.000 title claims description 320
- 229910052760 oxygen Inorganic materials 0.000 title claims description 320
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 291
- 239000010409 thin film Substances 0.000 claims description 171
- 239000010416 ion conductor Substances 0.000 claims description 67
- 239000000758 substrate Substances 0.000 claims description 38
- 239000010408 film Substances 0.000 claims description 24
- 238000010030 laminating Methods 0.000 claims description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 48
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 33
- 239000011261 inert gas Substances 0.000 description 29
- -1 oxygen ions Chemical class 0.000 description 28
- 238000000034 method Methods 0.000 description 27
- 229910052697 platinum Inorganic materials 0.000 description 24
- 239000011148 porous material Substances 0.000 description 19
- 230000008569 process Effects 0.000 description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 14
- 239000007789 gas Substances 0.000 description 10
- 230000005684 electric field Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000009826 distribution Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- AHKZTVQIVOEVFO-UHFFFAOYSA-N oxide(2-) Chemical compound [O-2] AHKZTVQIVOEVFO-UHFFFAOYSA-N 0.000 description 5
- 239000007784 solid electrolyte Substances 0.000 description 5
- 229910052788 barium Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 229910052746 lanthanum Inorganic materials 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 229910052712 strontium Inorganic materials 0.000 description 3
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- MIQCYQOWOLNWJX-UHFFFAOYSA-N [O--].[O--].[Mn++].[Sr++] Chemical compound [O--].[O--].[Mn++].[Sr++] MIQCYQOWOLNWJX-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000480 nickel oxide Inorganic materials 0.000 description 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 101100222172 Mus musculus Cst10 gene Proteins 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- QRSFFHRCBYCWBS-UHFFFAOYSA-N [O].[O] Chemical compound [O].[O] QRSFFHRCBYCWBS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 238000005464 sample preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- 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
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- 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)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Description
(2)また、本発明に係る酸素分圧測定器は、酸素分子が自由に電極薄膜に接触可能となる気孔率をもつ多孔質基板上に、第1電極薄膜と、0.01μmから1mmの厚さを有する酸素イオン伝導体薄膜と、第2電極薄膜とが、この順に積層されて構成された酸素ポンプと、所定の直流電圧を前記第1電極薄膜と前記第2電極薄膜に印加する直流電源と、前記第1電極薄膜及び第2電極薄膜間の起電力を検知する電圧計を備え、前記酸素イオン伝導体薄膜の膜面と平行となる交流電流を、前記酸素イオン伝導体薄膜に流す交流電源を備え、前記多孔質基板が円筒形状に形成され、前記酸素イオン伝導体薄膜にて仕切られた二つの空間の間の酸素分圧差を前記電圧計が検知する起電力によってモニタ可能であり、このモニタした結果に基づいて前記酸素ポンプが、前記酸素イオン伝導体薄膜にて仕切られた二つの空間の一方の酸素分圧を1×10 -35 atmの極低酸素分圧状態にまで制御可能であることを特徴とする。
図1は、本発明に係る酸素分圧制御装置を具体化した第1の実施の形態を示す概略構成図である。
図2は、本発明に係る酸素分圧測定器を具体化した第2の実施の形態を示す概略構成図である。
以下、図面を参照しつつ、本発明に係る酸素分圧制御装置の実施形態を更に詳細に説明する。実施例1の酸素分圧制御装置は、外部との境界に酸素ポンプ1を備えさせた不活性ガス制御室16と、所望の酸素分圧が設定されると制御信号を発信し、酸素ポンプ1を作動させる酸素分圧設定部5と、を備えている。
次に、図面を参照しつつ、本発明に係る酸素分圧測定器の実施形態を更に詳細に説明する。実施例2の酸素分圧測定器は、実施例1の酸素分圧制御装置にて10-35atmの酸素分圧に制御された不活性ガス(酸素分圧被測定ガス)が、本発明に係る酸素分圧測定器のプロセス室に供給された場合の具体的な実施形態である。
実施例3では、上記酸素ポンプ1の第2の作製方法を利用して、円筒形状の酸素ポンプを作製する手順を説明する。作製された円筒形状の酸素ポンプは、実施例1に係る酸素分圧制御装置を構成する酸素ポンプ1として、或いは実施例2の酸素分圧測定器を構成する酸素分圧センサー2として、利用することができる。
2・・・・・酸素分圧センサー
3・・・・・直流電源
4・・・・・交流電源
5・・・・・酸素分圧設定部
6・・・・・電圧計
12,22・多孔質アルミナ基板(多孔質材料基板)
13,23・負極の白金電極薄膜(第1電極薄膜)
14,24・イットリア安定化ジルコニア膜(酸素イオン伝導体薄膜)
15,25・正極の白金電極薄膜(第2電極薄膜)
16・・・・不活性ガス制御室
26・・・・第1の空間
27・・・・第2の空間
33・・・・第1電極薄膜
34・・・・イットリア安定化ジルコニア膜
35・・・・第2電極薄膜
41・・・・酸素ポンプ
43・・・・第1電極薄膜
44・・・・イットリア安定化ジルコニア膜
45・・・・第2電極薄膜
Claims (2)
- 酸素分子が自由に電極薄膜に接触可能となる気孔率をもつ多孔質基板上に、第1電極薄膜と、0.01μmから1mmの厚さを有する酸素イオン伝導体薄膜と、第2電極薄膜とが、この順に積層されて構成された酸素ポンプと、所定の直流電圧を前記第1電極薄膜と前記第2電極薄膜に印加する直流電源とを備え、
前記酸素イオン伝導体薄膜の膜面と平行となる交流電流を、前記酸素イオン伝導体薄膜に流す交流電源を備え、
前記多孔質基板が円筒形状に形成され、
前記酸素ポンプが、前記酸素イオン伝導体薄膜にて仕切られた二つの空間の一方の酸素分圧を1×10 -35 atmの極低酸素分圧状態にまで制御可能であることを特徴とする、
酸素分圧制御装置。 - 酸素分子が自由に電極薄膜に接触可能となる気孔率をもつ多孔質基板上に、第1電極薄膜と、0.01μmから1mmの厚さを有する酸素イオン伝導体薄膜と、第2電極薄膜とが、この順に積層されて構成された酸素ポンプと、所定の直流電圧を前記第1電極薄膜と前記第2電極薄膜に印加する直流電源と、前記第1電極薄膜及び第2電極薄膜間の起電力を検知する電圧計を備え、
前記酸素イオン伝導体薄膜の膜面と平行となる交流電流を、前記酸素イオン伝導体薄膜に流す交流電源を備え、
前記多孔質基板が円筒形状に形成され、
前記酸素イオン伝導体薄膜にて仕切られた二つの空間の間の酸素分圧差を前記電圧計が検知する起電力によってモニタ可能であり、このモニタした結果に基づいて前記酸素ポンプが、前記酸素イオン伝導体薄膜にて仕切られた二つの空間の一方の酸素分圧を1×10 -35 atmの極低酸素分圧状態にまで制御可能であることを特徴とする、
酸素分圧測定器。
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JP6144532B2 (ja) * | 2013-05-01 | 2017-06-07 | 株式会社デンソー | ブレージングシートのろう付け方法、及び熱交換器の製造方法 |
JP6517686B2 (ja) * | 2015-02-16 | 2019-05-22 | 日本特殊陶業株式会社 | ガスセンサ |
CN110261459B (zh) * | 2019-06-17 | 2024-07-19 | 北京科技大学 | 一种用于控制气氛中极低氧含量并测量其氧分压的装置 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5679246A (en) * | 1979-12-04 | 1981-06-29 | Ngk Insulators Ltd | Method and apparatus for detecting oxygen concentration |
JPH09278559A (ja) * | 1996-04-18 | 1997-10-28 | Matsushita Electric Ind Co Ltd | 薄膜形成用多孔質基板、薄膜形成用多孔質基板の製造方法及び酸素ポンプ装置 |
JPH11344464A (ja) * | 1998-06-03 | 1999-12-14 | Matsushita Electric Ind Co Ltd | 酸素濃度センサ、およびその製造方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5679246A (en) * | 1979-12-04 | 1981-06-29 | Ngk Insulators Ltd | Method and apparatus for detecting oxygen concentration |
JPH09278559A (ja) * | 1996-04-18 | 1997-10-28 | Matsushita Electric Ind Co Ltd | 薄膜形成用多孔質基板、薄膜形成用多孔質基板の製造方法及び酸素ポンプ装置 |
JPH11344464A (ja) * | 1998-06-03 | 1999-12-14 | Matsushita Electric Ind Co Ltd | 酸素濃度センサ、およびその製造方法 |
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