DE69533215D1 - Polyelektrolytische Brennstoffzelle und Verfahren zur Betriebssteuerung - Google Patents

Polyelektrolytische Brennstoffzelle und Verfahren zur Betriebssteuerung

Info

Publication number
DE69533215D1
DE69533215D1 DE69533215T DE69533215T DE69533215D1 DE 69533215 D1 DE69533215 D1 DE 69533215D1 DE 69533215 T DE69533215 T DE 69533215T DE 69533215 T DE69533215 T DE 69533215T DE 69533215 D1 DE69533215 D1 DE 69533215D1
Authority
DE
Germany
Prior art keywords
fuel cell
operation control
polyelectrolytic fuel
polyelectrolytic
control
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.)
Expired - Fee Related
Application number
DE69533215T
Other languages
English (en)
Other versions
DE69533215T2 (de
Inventor
Seiji Mizuno
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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
Priority claimed from JP6302948A external-priority patent/JPH08138697A/ja
Priority claimed from JP33207294A external-priority patent/JP3584511B2/ja
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE69533215D1 publication Critical patent/DE69533215D1/de
Application granted granted Critical
Publication of DE69533215T2 publication Critical patent/DE69533215T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
    • H01M8/04537—Electric variables
    • H01M8/04544—Voltage
    • H01M8/04559—Voltage of fuel cell stacks
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • 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
    • H01M8/04082—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
    • H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
    • 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
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
    • H01M8/04537—Electric variables
    • H01M8/04634—Other electric variables, e.g. resistance or impedance
    • H01M8/04649—Other electric variables, e.g. resistance or impedance of fuel cell stacks
    • 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
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H01M8/04746—Pressure; Flow
    • H01M8/04753—Pressure; Flow of fuel cell 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0082—Organic polymers
    • 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
    • H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
    • H01M8/04022—Heating by combustion
    • 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
DE69533215T 1994-11-11 1995-11-08 Polyelektrolytische Brennstoffzelle und Verfahren zur Betriebssteuerung Expired - Fee Related DE69533215T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP30294894 1994-11-11
JP6302948A JPH08138697A (ja) 1994-11-11 1994-11-11 燃料電池
JP33207294 1994-12-12
JP33207294A JP3584511B2 (ja) 1994-12-12 1994-12-12 高分子電解質型燃料電池の運転制御方法

Publications (2)

Publication Number Publication Date
DE69533215D1 true DE69533215D1 (de) 2004-08-05
DE69533215T2 DE69533215T2 (de) 2005-06-30

Family

ID=26563326

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69533215T Expired - Fee Related DE69533215T2 (de) 1994-11-11 1995-11-08 Polyelektrolytische Brennstoffzelle und Verfahren zur Betriebssteuerung

Country Status (4)

Country Link
US (1) US5939218A (de)
EP (2) EP0911899A2 (de)
KR (1) KR0171207B1 (de)
DE (1) DE69533215T2 (de)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6444343B1 (en) 1996-11-18 2002-09-03 University Of Southern California Polymer electrolyte membranes for use in fuel cells
DE19649436C1 (de) * 1996-11-28 1998-01-15 Siemens Ag Verfahren zum Erkennen eines Gaslecks
EP0867963A3 (de) * 1997-03-25 2002-09-04 Matsushita Electric Industrial Co., Ltd. Polymerelektrolytbrennstoffzelle
US5935726A (en) * 1997-12-01 1999-08-10 Ballard Power Systems Inc. Method and apparatus for distributing water to an ion-exchange membrane in a fuel cell
KR100446605B1 (ko) * 1998-02-27 2004-11-08 삼성전자주식회사 수소이온교환막연료전지의활성화방법
US6187464B1 (en) 1998-06-01 2001-02-13 Matsushita Electric Industrial Co., Ltd. Method for activating fuel cell
KR100389447B1 (ko) * 1998-06-10 2003-10-10 현대중공업 주식회사 고분자전해질연료전지의가습과활성화운전을통한초기화운전방법
US6638652B1 (en) * 1998-10-02 2003-10-28 Toyota Jidosha Kabushiki Kaisha Fuel cell control apparatus
JP4200576B2 (ja) * 1999-02-23 2008-12-24 トヨタ自動車株式会社 燃料電池システム
JP3643719B2 (ja) * 1999-03-01 2005-04-27 三洋電機株式会社 固体高分子型燃料電池
US6380126B1 (en) 1999-08-20 2002-04-30 Medis El Ltd Class of electrocatalysts and a gas diffusion electrode based thereon for fuel cells
US6936370B1 (en) 1999-08-23 2005-08-30 Ballard Power Systems Inc. Solid polymer fuel cell with improved voltage reversal tolerance
US6517962B1 (en) 1999-08-23 2003-02-11 Ballard Power Systems Inc. Fuel cell anode structures for voltage reversal tolerance
WO2001028022A1 (en) * 1999-10-14 2001-04-19 Motorola Inc. Method and apparatus for managing hydration level of fuel cell electrolyte
JP4686814B2 (ja) * 1999-11-17 2011-05-25 株式会社エクォス・リサーチ 燃料電池装置
US6686078B1 (en) 2000-09-29 2004-02-03 Plug Power Inc. Method of reformer operation to prevent fuel cell flooding
US6953635B2 (en) 2000-10-04 2005-10-11 Honda Giken Kogyo Kabushiki Kaisha Humidifier for fuel cell
JP5017760B2 (ja) * 2000-11-28 2012-09-05 トヨタ自動車株式会社 燃料電池の出力特性推定装置および出力特性推定方法、燃料電池システムおよびこれを搭載する車両、燃料電池出力制御方法並びに記憶媒体
KR100763143B1 (ko) * 2000-12-29 2007-10-05 주식회사 엘지이아이 연료전지의 출력저하방지장치
US6878664B1 (en) 2001-01-16 2005-04-12 Medis El Ltd. Class of electrocatalysts and a gas diffusion electrode based thereon for fuel cells
US7141326B2 (en) * 2001-04-06 2006-11-28 Honda Giken Kogyo Kabushiki Kaisha Warm-up apparatus for fuel cell
US6635370B2 (en) * 2001-06-01 2003-10-21 Utc Fuel Cells, Llc Shut-down procedure for hydrogen-air fuel cell system
US20030022036A1 (en) * 2001-07-25 2003-01-30 Ballard Power Systems Inc. Fuel cell controller self inspection
US6979504B2 (en) * 2001-07-25 2005-12-27 Ballard Power Systems Inc. Fuel cell system automatic power switching method and apparatus
US6861167B2 (en) * 2001-07-25 2005-03-01 Ballard Power Systems Inc. Fuel cell resuscitation method and apparatus
US6953630B2 (en) * 2001-07-25 2005-10-11 Ballard Power Systems Inc. Fuel cell anomaly detection method and apparatus
JP4250877B2 (ja) * 2001-08-07 2009-04-08 ソニー株式会社 電源装置
EP1298751A3 (de) 2001-09-27 2006-04-26 Matsushita Electric Industrial Co., Ltd. Polymer-Electrolyt-Brennstoffzelle und ihr Herstellugsverfahren
US6686084B2 (en) 2002-01-04 2004-02-03 Hybrid Power Generation Systems, Llc Gas block mechanism for water removal in fuel cells
US7222001B2 (en) * 2002-05-14 2007-05-22 Plug Power Inc. System for monitoring and controlling fuel cell-based power generation units
KR20040000574A (ko) * 2002-06-21 2004-01-07 엘지전자 주식회사 연료전지의 성능조절장치
CA2507053A1 (en) * 2002-11-27 2004-06-10 Hydrogenics Corporation Method of operating a fuel cell power system to deliver constant power
JP4273781B2 (ja) * 2003-02-05 2009-06-03 トヨタ自動車株式会社 燃料電池の運転状態判定装置及びその方法
EP1623478A2 (de) 2003-05-15 2006-02-08 Nissan Motor Company, Limited Vermeiden des flutens von brennstoffzellenstapeln
JP4806886B2 (ja) 2003-05-16 2011-11-02 トヨタ自動車株式会社 燃料電池システムの運転制御
JP2005141943A (ja) * 2003-11-04 2005-06-02 Toyota Motor Corp 燃料電池システム
JP4730643B2 (ja) * 2003-11-07 2011-07-20 トヨタ自動車株式会社 ガス処理装置
US7781118B2 (en) * 2004-02-09 2010-08-24 Gm Global Technology Operations, Inc. Fuel cell flooding detection
ATE408902T1 (de) * 2004-03-04 2008-10-15 Siemens Ag Brennstoffzellenanlage und verfahren zum betrieb derselben
JP2006086006A (ja) * 2004-09-16 2006-03-30 Toyota Motor Corp 燃料電池システム
US20060263652A1 (en) * 2005-05-17 2006-11-23 Logan Victor W Fuel cell system relative humidity control
JP2007207442A (ja) * 2006-01-30 2007-08-16 Toyota Motor Corp 燃料電池システム
US20070275275A1 (en) * 2006-05-23 2007-11-29 Mesa Scharf Fuel cell anode purge systems and methods
US20090011302A1 (en) * 2006-07-14 2009-01-08 Toyota Jidosha Kabushiki Kaisha Fuel Cell System
US7608358B2 (en) 2006-08-25 2009-10-27 Bdf Ip Holdings Ltd. Fuel cell anode structure for voltage reversal tolerance
JP5013311B2 (ja) * 2006-11-22 2012-08-29 トヨタ自動車株式会社 燃料電池システム
JP2009016155A (ja) * 2007-07-04 2009-01-22 Toyota Motor Corp 燃料電池の制御装置および燃料電池システム
JP5407132B2 (ja) * 2007-10-15 2014-02-05 日産自動車株式会社 燃料電池システムの起動制御装置及び起動制御方法
US8574731B2 (en) * 2008-10-29 2013-11-05 Motorola Mobility Llc Device and method for augmenting the useful life of an energy storage device
JP4730456B2 (ja) * 2009-05-25 2011-07-20 トヨタ自動車株式会社 燃料電池搭載車両
US10971742B2 (en) * 2015-10-05 2021-04-06 Nissan Motor Co., Ltd. Fuel cell state determination method and fuel cell state determination apparatus
DE102017212846A1 (de) * 2017-07-26 2019-01-31 Robert Bosch Gmbh Verteilerstruktur zum Bereitstellen mindestens eines Reaktionsgases

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268364A (en) * 1962-01-29 1966-08-23 Honeywell Inc Fuel cell control system
US3432356A (en) * 1963-09-11 1969-03-11 Gen Electric Regulated fuel cell system
US3343991A (en) * 1966-02-16 1967-09-26 Allis Chalmers Mfg Co Control for a system with a parabolic relationship between a parameter and an output
FR1547910A (fr) * 1967-12-06 1968-11-29 Bbc Brown Boveri & Cie Procédé et dispositif pour l'évacuation de l'eau de réaction hors de piles à combustible
US3753780A (en) * 1971-09-30 1973-08-21 Us Army Fluctuation sensitive fuel cell replenishment control means
JPS54144934A (en) 1978-05-02 1979-11-12 Fuji Electric Co Ltd Fuel battery
JPS5834574A (ja) * 1981-08-21 1983-03-01 Hitachi Ltd 燃料電池
JPS5887770A (ja) * 1981-11-18 1983-05-25 Toshiba Corp 燃料電池の極間差圧制御装置
JPS5894767A (ja) * 1981-11-30 1983-06-06 Toshiba Corp 燃料電池装置
US4722873A (en) * 1985-12-06 1988-02-02 Mitsubishi Denki Kabushiki Kaisha Fuel cell power generating system
JPS62176064A (ja) * 1986-01-28 1987-08-01 Hitachi Ltd メタノ−ル燃料電池
US4755439A (en) * 1987-03-25 1988-07-05 International Fuel Cells Corporation Fuel cell configuration for contaminated fuel gases and method of using the same
JPS63236262A (ja) * 1987-03-25 1988-10-03 Hitachi Ltd 燃料電池
US4729930A (en) * 1987-05-29 1988-03-08 International Fuel Cells Corporation Augmented air supply for fuel cell power plant during transient load increases
US4826741A (en) * 1987-06-02 1989-05-02 Ergenics Power Systems, Inc. Ion exchange fuel cell assembly with improved water and thermal management
US4904548A (en) * 1987-08-03 1990-02-27 Fuji Electric Co., Ltd. Method for controlling a fuel cell
US4859545A (en) * 1988-05-05 1989-08-22 International Fuel Cells Corporation Cathode flow control for fuel cell power plant
US4943493A (en) * 1989-04-21 1990-07-24 International Fuel Cells Corporation Fuel cell power plant
DE3929730A1 (de) * 1989-09-07 1991-03-21 Kernforschungsz Karlsruhe Wasserstoff/sauerstoff-brennstoffzelle
US5290641A (en) * 1989-10-06 1994-03-01 Fuji Electric Co., Ltd. Method of controlling operation of fuel cell power supply
JPH0766825B2 (ja) * 1990-10-30 1995-07-19 株式会社日立製作所 燃料電池雰囲気ガス処理装置
JPH04167236A (ja) 1990-10-31 1992-06-15 Toshiba Corp 光ディスク装置
US5260143A (en) * 1991-01-15 1993-11-09 Ballard Power Systems Inc. Method and apparatus for removing water from electrochemical fuel cells
JPH05251097A (ja) 1992-03-03 1993-09-28 Fuji Electric Co Ltd 固体高分子電解質型燃料電池
JPH05251098A (ja) * 1992-03-05 1993-09-28 Toshiba Corp 燃料電池の保持電解質管理方法
US5366821A (en) * 1992-03-13 1994-11-22 Ballard Power Systems Inc. Constant voltage fuel cell with improved reactant supply and control system
JPH0668886A (ja) * 1992-08-19 1994-03-11 Fuji Electric Co Ltd 固体高分子電解質型燃料電池のセル構造
JPH0689730A (ja) * 1992-09-10 1994-03-29 Fuji Electric Co Ltd 固体高分子電解質型燃料電池
JP3271801B2 (ja) * 1992-09-22 2002-04-08 田中貴金属工業株式会社 高分子固体電解質型燃料電池、該燃料電池の加湿方法、及び製造方法
EP0596366B1 (de) * 1992-11-05 1997-04-23 Siemens Aktiengesellschaft Verfahren und Einrichtung zur Wasser- und/oder Inertgasentsorgung eines Brennstoffzellenblocks
EP0596367A1 (de) * 1992-11-05 1994-05-11 Siemens Aktiengesellschaft Brennstoffzellenblock und Verfahren zur Einstellung der Inertgasabfuhr aus dem Brennstoffzellenblock
JPH06223850A (ja) * 1993-01-29 1994-08-12 Mitsubishi Heavy Ind Ltd 固体高分子電解質燃料電池の運転保護システム

Also Published As

Publication number Publication date
EP0911899A2 (de) 1999-04-28
US5939218A (en) 1999-08-17
EP0716463A2 (de) 1996-06-12
EP0716463B1 (de) 2004-06-30
KR960019839A (ko) 1996-06-17
EP0716463B9 (de) 2005-01-05
EP0716463A3 (de) 1996-11-13
KR0171207B1 (ko) 1999-03-30
DE69533215T2 (de) 2005-06-30

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8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee