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JPS58165271A - 燃料電池の起動方法 - Google Patents

燃料電池の起動方法

Info

Publication number
JPS58165271A
JPS58165271A JP57048381A JP4838182A JPS58165271A JP S58165271 A JPS58165271 A JP S58165271A JP 57048381 A JP57048381 A JP 57048381A JP 4838182 A JP4838182 A JP 4838182A JP S58165271 A JPS58165271 A JP S58165271A
Authority
JP
Japan
Prior art keywords
cell
temperature
discharge
fuel cell
constant voltage
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.)
Pending
Application number
JP57048381A
Other languages
English (en)
Inventor
Kazuo Koseki
小関　和雄
Shunsuke Oga
俊輔 大賀
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Fuji Electric Corporate Research and Development Ltd
Fuji Electric Manufacturing Co 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 Fuji Electric Co Ltd, Fuji Electric Corporate Research and Development Ltd, Fuji Electric Manufacturing Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP57048381A priority Critical patent/JPS58165271A/ja
Publication of JPS58165271A publication Critical patent/JPS58165271A/ja
Pending 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
    • H01M8/04223—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
    • H01M8/04268—Heating of fuel cells during the start-up of the 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
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
    • H01M8/04303—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during shut-down
    • 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
    • H01M8/04225—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 during start-up
    • 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
    • H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
    • H01M8/04302—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
    • 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
    • H01M8/0432—Temperature; Ambient temperature
    • H01M8/04365—Temperature; Ambient temperature of other components of a fuel cell or 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
    • H01M8/04858—Electric variables
    • H01M8/04865—Voltage
    • H01M8/0488—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
    • H01M8/04—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
    • H01M8/04858—Electric variables
    • H01M8/04895—Current
    • H01M8/0491—Current 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
    • H01M8/04955—Shut-off or shut-down 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
    • H01M8/04—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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 本発明は燃料電池の起動方法に関する。
一般に多数の単電池を積層した燃料電池を昇温し、定常
運転状態にもっていく起動時間を早める方法としては、
外部からのヒーター等による加熱２同時に、燃料電池に
も放電を行なわせて、電池の内部発熱を利用する方法が
有効である。しかしながら、外部からの加熱は各単電池
を均一に加熱することは難しい。したがって放電を行な
うと各単電池に大音な性能の差が生じる。このため、直
列に接続された単電池からなる燃料電池を放電する場合
、放電電流が大きすぎると、まだ十分加熱されておらず
したがって性能が低い単セルについては電圧が逆転し、
ガス発生に到って不可逆的な劣化を生ずる。このため従
来は昇温時は放電を行わない起動方法がもっばらであっ
た。
この発明は上述の欠点を除去して、セル性能を保＊　１
．　、かつ容易な操作で起動できる自動起動方式を提供
することを目的とする。
このような目的は本発明によれば、電池の起動時には定
電圧放電方式で放電して昇温を行ない、運転温度に達し
た捗ξこ自動的に定電流放電方式に切り換えるか、ある
いは単に自動的に定電圧放電回路がはずれるようなシー
ケンスを・絹むことにより達成される。
起動時の設定電圧は電池を構成する各単電池のうち最も
低い性能のものの電圧が少なくとも逆転しないように全
電圧を設定すれば良いが、これまでの多くの＊験から平
均単セル電圧を０６Ｖとし、これに積層セル数をかけた
電圧以上に設定すればほとんど問題はない。
第１図は本発明の起動のタイミングチャートである。時
刻ｔｏ　において起動スイッチを押すと、電池はあらか
じめ設定された電圧で定電圧を開始する。温度の上昇を
共に電池性能が上り、電流値が上昇し、電池温度（一般
（と電解液温度あるいはガス出口温度）が時刻ｔ１で運
転温度に達すると自動的に定電流放電又は任意放電に切
り換わる。
第２図は本発明の制御システムのブロック図である。起
動後電池１の温度のモニタ信号２が所定値に達すると制
御方式切換回路３から出力制御装置４へ切換え係号がお
くられ、定電圧から定電流出力制御方式に切りかわる。
な詔、起動時間中の出力のすべであるいは一部を電池加
熱用のヒータ電源として用いれば加熱を早める上で有利
である。
以上説明するように本発明は燃料電池の起動方式におい
て、定電圧放電刃：、式をとり、定常温度に到達後自動
的に定電流あ７，１’、′いは任意放電に切りかえるも
のであり、電池の過□負荷による劣化を押え１、：： 起動操作を簡単にする上ｔ″：、きわめて有効である。
【図面の簡単な説明】
第１図は本発明の動作説明用ダイヤグラム、第２図は本
発明冥施例のブロック線図である。 ｌ・・・燃料電池、２・・・電池温度モニタ信号、３・
・・制御方式切換回路、４・・・出力制御装置。

Claims (1)

    【特許請求の範囲】
  1. 燃料電池の昇温時は燃料電池を定電圧放電させ、運転温
    度到達後は足電流放電ないし任意放電に切り換えること
    を特徴とする燃料電池の起動方法。
JP57048381A 1982-03-26 1982-03-26 燃料電池の起動方法 Pending JPS58165271A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57048381A JPS58165271A (ja) 1982-03-26 1982-03-26 燃料電池の起動方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57048381A JPS58165271A (ja) 1982-03-26 1982-03-26 燃料電池の起動方法

Publications (1)

Publication Number Publication Date
JPS58165271A true JPS58165271A (ja) 1983-09-30

Family

ID=12801732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57048381A Pending JPS58165271A (ja) 1982-03-26 1982-03-26 燃料電池の起動方法

Country Status (1)

Country Link
JP (1) JPS58165271A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005085578A (ja) * 2003-09-08 2005-03-31 Honda Motor Co Ltd 燃料電池スタックの氷点下起動方法、燃料電池スタックの氷点下起動システム、および燃料電池スタックの設計方法
EP1375239A3 (en) * 2002-06-24 2005-04-13 Delphi Technologies, Inc. Method and apparatus for controlling a fuel cell system
JP2009026529A (ja) * 2007-07-18 2009-02-05 Rinnai Corp 燃料電池装置及び燃料電池装置の制御方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1375239A3 (en) * 2002-06-24 2005-04-13 Delphi Technologies, Inc. Method and apparatus for controlling a fuel cell system
JP2005085578A (ja) * 2003-09-08 2005-03-31 Honda Motor Co Ltd 燃料電池スタックの氷点下起動方法、燃料電池スタックの氷点下起動システム、および燃料電池スタックの設計方法
US7572529B2 (en) 2003-09-08 2009-08-11 Honda Motor Co., Ltd. Method and system for starting up fuel cell stack at subzero temperatures, and method of designing fuel cell stack
EP1513209A3 (en) * 2003-09-08 2009-12-09 HONDA MOTOR CO., Ltd. Method and system for starting up fuel cell stack at subzero temperatures, and method of designing fuel cell stack
EP2413412A1 (en) * 2003-09-08 2012-02-01 Honda Motor Co., Ltd. Method and system for starting up fuel cell stack at subzero temperatures, and method of designing fuel cell stack
JP2009026529A (ja) * 2007-07-18 2009-02-05 Rinnai Corp 燃料電池装置及び燃料電池装置の制御方法

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