WO2009017485A3 - Ammonia and nitrogen oxide sensors - Google Patents

Ammonia and nitrogen oxide sensors Download PDF

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Publication number
WO2009017485A3
WO2009017485A3 PCT/US2007/017286 US2007017286W WO2009017485A3 WO 2009017485 A3 WO2009017485 A3 WO 2009017485A3 US 2007017286 W US2007017286 W US 2007017286W WO 2009017485 A3 WO2009017485 A3 WO 2009017485A3
Authority
WO
WIPO (PCT)
Prior art keywords
ammonia
nitrogen oxide
oxide sensors
relates
electrochemical
Prior art date
Application number
PCT/US2007/017286
Other languages
French (fr)
Other versions
WO2009017485A2 (en
Inventor
Rangachary Mukundan
Eric L. Brosha
Fernando H. Garzon
Original Assignee
Los Alamos National Security, Llc
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 Los Alamos National Security, Llc filed Critical Los Alamos National Security, Llc
Priority to PCT/US2007/017286 priority Critical patent/WO2009017485A2/en
Publication of WO2009017485A2 publication Critical patent/WO2009017485A2/en
Publication of WO2009017485A3 publication Critical patent/WO2009017485A3/en

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
    • G01N27/403—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
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Electrochemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)

Abstract

The present invention relates to an electrochemical gas sensor (100) for measuring gas concentrations o chemical species. More particularly, the invention relates to an electrochemical sensor (100) that measur ammonia and total nitrogen oxides.
PCT/US2007/017286 2007-08-01 2007-08-01 Ammonia and nitrogen oxide sensors WO2009017485A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2007/017286 WO2009017485A2 (en) 2007-08-01 2007-08-01 Ammonia and nitrogen oxide sensors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2007/017286 WO2009017485A2 (en) 2007-08-01 2007-08-01 Ammonia and nitrogen oxide sensors

Publications (2)

Publication Number Publication Date
WO2009017485A2 WO2009017485A2 (en) 2009-02-05
WO2009017485A3 true WO2009017485A3 (en) 2009-09-03

Family

ID=40305083

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/017286 WO2009017485A2 (en) 2007-08-01 2007-08-01 Ammonia and nitrogen oxide sensors

Country Status (1)

Country Link
WO (1) WO2009017485A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104364639A (en) 2012-03-08 2015-02-18 内克斯特克材料公司 Amperometric solid electrolyte gas sensor and detection method wherein the sensing electrode comprises at least one tungstate or molybdate compound
WO2016040963A1 (en) * 2014-09-12 2016-03-17 Nextech Materials, Ltd. Amperometric solid electrolyte sensor and method for detecting nh3 and nox

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030121801A1 (en) * 2001-12-28 2003-07-03 Kabushiki Kaisha Toyota Chuo Kenkyusho Electrodes, electrochemical elements, gas sensors, and gas measurement methods
US6656336B2 (en) * 2001-01-25 2003-12-02 The Regents Of The University Of California Method for forming a potential hydrocarbon sensor with low sensitivity to methane and CO

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6656336B2 (en) * 2001-01-25 2003-12-02 The Regents Of The University Of California Method for forming a potential hydrocarbon sensor with low sensitivity to methane and CO
US20030121801A1 (en) * 2001-12-28 2003-07-03 Kabushiki Kaisha Toyota Chuo Kenkyusho Electrodes, electrochemical elements, gas sensors, and gas measurement methods

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SOMOV ET AL., SENSORS AND ACTUATORS B, vol. 35-36, 1996, pages 409 - 418 *

Also Published As

Publication number Publication date
WO2009017485A2 (en) 2009-02-05

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