DE102020001706B4 - Gassensor und sensorelement - Google Patents

Gassensor und sensorelement

Info

Publication number
DE102020001706B4
DE102020001706B4 DE102020001706.1A DE102020001706A DE102020001706B4 DE 102020001706 B4 DE102020001706 B4 DE 102020001706B4 DE 102020001706 A DE102020001706 A DE 102020001706A DE 102020001706 B4 DE102020001706 B4 DE 102020001706B4
Authority
DE
Germany
Prior art keywords
measuring
electrode
gas
inner cavity
concentration
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.)
Active
Application number
DE102020001706.1A
Other languages
German (de)
English (en)
Other versions
DE102020001706A1 (de
Inventor
Taku Okamoto
Osamu Nakasone
Nobukazu Ikoma
Noriko Hirata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of DE102020001706A1 publication Critical patent/DE102020001706A1/de
Application granted granted Critical
Publication of DE102020001706B4 publication Critical patent/DE102020001706B4/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • G01N27/419—Measuring voltages or currents with a combination of oxygen pumping cells and oxygen concentration cells
    • 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
    • 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
    • G01N27/4073—Composition or fabrication of the solid electrolyte
    • G01N27/4074—Composition or fabrication of the solid electrolyte for detection of gases other than oxygen
    • 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
    • G01N27/4075—Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts
    • 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
    • G01N27/4077—Means for protecting the electrolyte or the electrodes
    • 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
    • G01N27/41—Oxygen pumping cells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0037—NOx
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0054—Ammonia
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
DE102020001706.1A 2019-03-27 2020-03-13 Gassensor und sensorelement Active DE102020001706B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019059956A JP7311992B2 (ja) 2019-03-27 2019-03-27 ガスセンサ及びセンサ素子
JP2019-059956 2019-03-27

Publications (2)

Publication Number Publication Date
DE102020001706A1 DE102020001706A1 (de) 2020-10-01
DE102020001706B4 true DE102020001706B4 (de) 2025-12-11

Family

ID=72605472

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102020001706.1A Active DE102020001706B4 (de) 2019-03-27 2020-03-13 Gassensor und sensorelement

Country Status (4)

Country Link
US (1) US20200309727A1 (https=)
JP (1) JP7311992B2 (https=)
CN (1) CN111751427A (https=)
DE (1) DE102020001706B4 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7590277B2 (ja) * 2020-12-09 2024-11-26 日本碍子株式会社 ガスセンサ
CN114624306B (zh) * 2020-12-09 2024-03-29 日本碍子株式会社 气体传感器
DE102022106164A1 (de) * 2021-03-29 2022-09-29 Ngk Insulators, Ltd. Sensorelement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10106171A1 (de) 2001-02-10 2002-11-21 Bosch Gmbh Robert Gassensor
DE10261299A1 (de) 2001-12-28 2003-07-24 Toyota Chuo Kenkyusho Aichi Kk Elektroden, elektrochemische Elemente, Gassensoren und Gasmessverfahren
JP2014190940A (ja) 2013-03-28 2014-10-06 Ngk Insulators Ltd ポンプセルの内部電極の製法及びポンプセル
DE102017008086A1 (de) 2016-09-09 2018-03-15 Ngk Insulators, Ltd. Gassensor
DE102017009119A1 (de) 2016-10-12 2018-04-12 Ngk Insulators, Ltd. Gassensor
JP6447568B2 (ja) 2016-05-02 2019-01-09 トヨタ自動車株式会社 窒素酸化物センサ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3878339B2 (ja) * 1997-11-14 2007-02-07 株式会社リケン 窒素酸化物センサ
JP2000074879A (ja) 1998-09-02 2000-03-14 Toyota Central Res & Dev Lab Inc 酸素及び窒素酸化物ガス検出装置
JP4019823B2 (ja) 2002-07-08 2007-12-12 株式会社豊田中央研究所 ガス濃度測定装置とガス濃度測定方法
US8168060B2 (en) * 2007-06-04 2012-05-01 Ford Global Technologies, Llc System and method for improving accuracy of a gas sensor
US10046276B2 (en) * 2014-09-24 2018-08-14 Ngk Spark Plug Co., Ltd. Sensor control method and sensor control apparatus
JP6594230B2 (ja) * 2015-03-06 2019-10-23 日本碍子株式会社 センサ素子及びガスセンサ
JP6447569B2 (ja) * 2016-05-02 2019-01-09 トヨタ自動車株式会社 窒素酸化物センサの制御装置
JP6761774B2 (ja) * 2017-03-30 2020-09-30 日本碍子株式会社 センサ素子及びガスセンサ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10106171A1 (de) 2001-02-10 2002-11-21 Bosch Gmbh Robert Gassensor
DE10261299A1 (de) 2001-12-28 2003-07-24 Toyota Chuo Kenkyusho Aichi Kk Elektroden, elektrochemische Elemente, Gassensoren und Gasmessverfahren
JP2014190940A (ja) 2013-03-28 2014-10-06 Ngk Insulators Ltd ポンプセルの内部電極の製法及びポンプセル
JP6447568B2 (ja) 2016-05-02 2019-01-09 トヨタ自動車株式会社 窒素酸化物センサ
DE102017008086A1 (de) 2016-09-09 2018-03-15 Ngk Insulators, Ltd. Gassensor
DE102017009119A1 (de) 2016-10-12 2018-04-12 Ngk Insulators, Ltd. Gassensor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP 2011- 39 041 A (Maschinenübersetzung), EPO, Espacenet [online] [abgerufen am 29.05.2020]
JP 2014 - 190 940 (A) (Maschinenübersetzung), EPO, Espacenet [online] [abgerufen am 29.05.2020]
JP 6 447 568 B2 (Maschinenübersetzung), EPO, Espacenet [online] [abgerufen am 29.05.2020]

Also Published As

Publication number Publication date
JP2020159881A (ja) 2020-10-01
DE102020001706A1 (de) 2020-10-01
CN111751427A (zh) 2020-10-09
JP7311992B2 (ja) 2023-07-20
US20200309727A1 (en) 2020-10-01

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