KR970042414A - Porous ceramic diffusion barrier composition, heater integrated oxygen sensor and its manufacturing method - Google Patents

Porous ceramic diffusion barrier composition, heater integrated oxygen sensor and its manufacturing method Download PDF

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Publication number
KR970042414A
KR970042414A KR1019950054970A KR19950054970A KR970042414A KR 970042414 A KR970042414 A KR 970042414A KR 1019950054970 A KR1019950054970 A KR 1019950054970A KR 19950054970 A KR19950054970 A KR 19950054970A KR 970042414 A KR970042414 A KR 970042414A
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South Korea
Prior art keywords
diffusion barrier
zirconia
oxygen sensor
stabilized
powder
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KR1019950054970A
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Korean (ko)
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KR0148713B1 (en
Inventor
오영제
정형진
심인보
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김은영
힌국과학기술연구원
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Priority to KR1019950054970A priority Critical patent/KR0148713B1/en
Priority to JP08226238A priority patent/JP3101649B2/en
Publication of KR970042414A publication Critical patent/KR970042414A/en
Priority to KR1019980010179A priority patent/KR100234021B1/en
Application granted granted Critical
Publication of KR0148713B1 publication Critical patent/KR0148713B1/en

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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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • 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

Abstract

본 발명은 코디어라이트(2Al2O3-2MgO-5SiO2) 분말을 9wt% 이하로 함유하며, 안정화 또는 부분안정화 지르코니아로 이루어지는 다공성 세라믹스 확산장벽용 조성물, 이러한 조성물로 된 확산장벽층을 가지는 내열측성이 개선되고 센싱 전류 범위가 넓은 산소센서 및 그것의 제조방법에 관한 것이다.The present invention comprises a cordierite (2Al 2 O 3 -2MgO-5SiO 2 ) powder of less than 9wt%, a composition for porous ceramic diffusion barrier consisting of stabilized or partially stabilized zirconia, heat-resistant having a diffusion barrier layer of such a composition The present invention relates to an oxygen sensor having improved measurement and a wide sensing current range, and a method of manufacturing the same.

본 발명의 방법으로 제작된 다공성 세라믹스를 이용한 한계전류식 산소센서는 공해방지기기, 자동차나 보일러 등의 연료절감 및 열효율 향상 시스템 및 휴대용 산소분석기 등의 다양한 분야에 응용할 수 있다.The limiting current type oxygen sensor using porous ceramics manufactured by the method of the present invention can be applied to various fields such as pollution prevention device, fuel saving and thermal efficiency improvement system of a car or a boiler, and a portable oxygen analyzer.

Description

예다공성 세라믹 확산장벽 조성물, 그것을 이용한 히터일체형 산소센서 및 그것의 제조방법Porous ceramic diffusion barrier composition, heater integrated oxygen sensor and its manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (7)

코디어라이트(2Al2O3-2MgO-5SiO2) 분말을 9wt% 이하로 함유하는 안정화 또는 부분안정화 지르코니아로 이루어지는 다공성 세라믹스 확산장벽용 조성물.A composition for porous ceramics diffusion barrier comprising stabilized or partially stabilized zirconia containing cordierite (2Al 2 O 3 -2MgO-5SiO 2 ) powder at 9 wt% or less. 제1항에 있어서, 상기 지르코니아가 3-8mol%의 이트리아를 함유하는 지르코니아 또는 (8Y-ZrO2)1-x(CeO2)(0.1＜X＜0.6)인 조성물The composition of claim 1 wherein the zirconia is zirconia containing 3-8 mol% yttria or (8Y-ZrO 2 ) 1-x (CeO 2 ) (0.1 <X <0.6) 안정화 또는 부분안정화 지르코니아로 된 펌핑셀, 상기 펌핑셀 양쪽에 형성된 전극, 상기 펌핑셀에서 음극이 형성된 측에 형성된 코디어라이트(2Al2O3-2MgO-5SiO2) 분말을 9wt% 이하로 함유하는 안정화 또는 부분 안정화 지르코니아로 이루어지는 다공성 세라믹스 확산장벽층 및 상기 확산벽층을 둘러싸도록 형성된 펌칭셀과 동일한 지르코니아층 및 상기 확산장벽층에 위해 형성된 히터로 이루어지는 산소센서.A pumping cell made of stabilized or partially stabilized zirconia, an electrode formed on both sides of the pumping cell, and a cordierite (2Al 2 O 3 -2MgO-5SiO 2 ) powder formed on the side where the cathode is formed in the pumping cell, which contains 9 wt% or less. An oxygen sensor comprising a porous ceramic diffusion barrier layer made of stabilized or partially stabilized zirconia, a zirconia layer identical to a pumping cell formed to surround the diffusion wall layer, and a heater formed in the diffusion barrier layer. 제3항에 있어서, 상기 확산장벽층이 코디어라이트(2Al2O3-2MgO-5SiO2) 분말을 9wt% 이하로 함유하며 상기 펌핑셀에 사용된 지르코니아와 동일한 지르코니아로 이루어지는 산소센서.The oxygen sensor according to claim 3, wherein the diffusion barrier layer contains cordierite (2Al 2 O 3 -2MgO-5SiO 2 ) powder of 9 wt% or less and is made of the same zirconia as the zirconia used in the pumping cell. 제4항에 있어서, 상기 히터가 상기 상벽층의 위부분에만 형성된 산소센서.The oxygen sensor of claim 4, wherein the heater is formed only on an upper portion of the upper wall layer. 안정화 또는 부분 안정화 지르코니아 고체전해질 그린-쉬트의 양면에 전극을 형성하고, 상기 고체전해질 그린-쉬트에서 음극이 형성된 측에, 코디어라이트 (2Al2O3-2MgO-5SiO2) 분말을 9wt% 이하로 함유하는 안정화 또는 부분안정화 지르코니아 분말로 이루어지며 윗면에 히터를 형성시킨 확산 장벽층 그린-쉬트를 적층하고, 압착시키고, 소성하는 것으로 이루어지는 히터일체형 산소 센서 제조방법Electrodes are formed on both sides of the stabilized or partially stabilized zirconia solid electrolyte green sheet, and on the side where the cathode is formed in the solid electrolyte green sheet, cordierite (2Al 2 O 3 -2MgO-5SiO 2 ) powder is 9wt% or less. Method for producing a heater integrated oxygen sensor consisting of laminating, compressing and firing a diffusion barrier layer green-sheet formed of a stabilized or partially stabilized zirconia powder containing a furnace and having a heater formed thereon 제6항에 있어서, 상기 확산 장벽층 그린-쉬트가 상기 음극 윗면에만 적층되고 그 외의 부분에는 고체전해질 그린-쉬트가 적층되는 제조방법.The method of claim 6, wherein the diffusion barrier layer green sheet is stacked only on the cathode, and a solid electrolyte green sheet is stacked on the other portion.
KR1019950054970A 1995-12-22 1995-12-22 Porous ceramic composition KR0148713B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019950054970A KR0148713B1 (en) 1995-12-22 1995-12-22 Porous ceramic composition
JP08226238A JP3101649B2 (en) 1995-12-22 1996-08-28 Composition for porous ceramic diffusion barrier layer, heater-integrated oxygen sensor using the same, and method of manufacturing the same
KR1019980010179A KR100234021B1 (en) 1995-12-22 1998-03-24 Heater integrated oxygen sensor using porous ceramic diffusion barrier composition and preparation method thereof

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KR1019950054970A KR0148713B1 (en) 1995-12-22 1995-12-22 Porous ceramic composition

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KR0148713B1 KR0148713B1 (en) 1998-08-17

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US20060236719A1 (en) * 2005-04-22 2006-10-26 Lane Jonathan A Gas stream purification method utilizing electrically driven oxygen ion transport
CN102101776B (en) * 2009-12-18 2013-06-05 中国电子科技集团公司第四十九研究所 Method for manufacturing ceramic airtight inner chamber

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KR0148713B1 (en) 1998-08-17
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JP3101649B2 (en) 2000-10-23

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