WO2003010844A3 - Fuel cell system having a hydrogen sensor - Google Patents

Fuel cell system having a hydrogen sensor Download PDF

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Publication number
WO2003010844A3
WO2003010844A3 PCT/CA2002/001153 CA0201153W WO03010844A3 WO 2003010844 A3 WO2003010844 A3 WO 2003010844A3 CA 0201153 W CA0201153 W CA 0201153W WO 03010844 A3 WO03010844 A3 WO 03010844A3
Authority
WO
WIPO (PCT)
Prior art keywords
fuel
flow path
stack
fuel cell
sensor
Prior art date
Application number
PCT/CA2002/001153
Other languages
French (fr)
Other versions
WO2003010844A2 (en
Inventor
Brian Wells
Kenneth W Strang
Original Assignee
Ballard Power Systems
Brian Wells
Kenneth W Strang
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 Ballard Power Systems, Brian Wells, Kenneth W Strang filed Critical Ballard Power Systems
Priority to EP02750725A priority Critical patent/EP1410455B1/en
Priority to AU2002355302A priority patent/AU2002355302A1/en
Priority to DE60214385T priority patent/DE60214385T2/en
Priority to CA002454680A priority patent/CA2454680A1/en
Publication of WO2003010844A2 publication Critical patent/WO2003010844A2/en
Publication of WO2003010844A3 publication Critical patent/WO2003010844A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04231—Purging of the reactants
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Abstract

An electric power generating system is provided that comprises a fuel cell stack (12) having at least one solid polymer fuel cell, a cooling system (82) having a coolant flow path that directs coolant to and from the stack, a fuel regulating system (54) having a fuel flow path and for regulating the supply of fuel from a fuel supply (52) to the stack via the fuel flow path, and a hydrogen concentration sensor(55). The sensor is located in the vicinity of the fuel regulating system and in the coolant flow path at a location downstream of the stack to detect hydrogen that may have been discharged by components of the power generating system in the coolant flow path upstream of the sensor, or by the fuel regulating system. In the event the measured hydrogen concentration exceeds a threshold level, steps are taken to reduce or stop the discharge of hydrogen from the power generating system.
PCT/CA2002/001153 2001-07-25 2002-07-25 Fuel cell system having a hydrogen sensor WO2003010844A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP02750725A EP1410455B1 (en) 2001-07-25 2002-07-25 Fuel cell system having a hydrogen sensor
AU2002355302A AU2002355302A1 (en) 2001-07-25 2002-07-25 Fuel cell system having a hydrogen sensor
DE60214385T DE60214385T2 (en) 2001-07-25 2002-07-25 FUEL CELL SYSTEM WITH HYDROGEN SENSOR
CA002454680A CA2454680A1 (en) 2001-07-25 2002-07-25 Fuel cell system having a hydrogen sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/916,212 US6913847B2 (en) 2001-07-25 2001-07-25 Fuel cell system having a hydrogen sensor
US09/916,212 2001-07-25

Publications (2)

Publication Number Publication Date
WO2003010844A2 WO2003010844A2 (en) 2003-02-06
WO2003010844A3 true WO2003010844A3 (en) 2003-08-28

Family

ID=25436879

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2002/001153 WO2003010844A2 (en) 2001-07-25 2002-07-25 Fuel cell system having a hydrogen sensor

Country Status (7)

Country Link
US (1) US6913847B2 (en)
EP (1) EP1410455B1 (en)
AT (1) ATE338349T1 (en)
AU (1) AU2002355302A1 (en)
CA (1) CA2454680A1 (en)
DE (1) DE60214385T2 (en)
WO (1) WO2003010844A2 (en)

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US9876240B2 (en) 2014-04-07 2018-01-23 Intelligent Energy Limited Multi-functional fuel cable
KR20170045248A (en) 2014-08-28 2017-04-26 누베라 퓨엘 셀스, 엘엘씨 Seal designs for multicomponent bipolar plates of an electrochemical cell
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AT518955B1 (en) * 2016-08-02 2020-01-15 Avl List Gmbh Generator unit with a fuel cell device, vehicle with such a generator unit and method for monitoring a generator unit
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Also Published As

Publication number Publication date
ATE338349T1 (en) 2006-09-15
US20030022045A1 (en) 2003-01-30
AU2002355302A1 (en) 2003-02-17
WO2003010844A2 (en) 2003-02-06
EP1410455A2 (en) 2004-04-21
CA2454680A1 (en) 2003-02-06
US6913847B2 (en) 2005-07-05
DE60214385D1 (en) 2006-10-12
DE60214385T2 (en) 2007-09-13
EP1410455B1 (en) 2006-08-30

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