JP2021150162A - 燃料電池システムの運転停止方法及び燃料電池システム - Google Patents
燃料電池システムの運転停止方法及び燃料電池システム Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 179
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000010248 power generation Methods 0.000 claims abstract description 229
- 239000003507 refrigerant Substances 0.000 claims description 56
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 abstract description 11
- 238000002847 impedance measurement Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 238000004891 communication Methods 0.000 description 22
- 230000008859 change Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 239000012528 membrane Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- 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
- H01M8/043—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- 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
-
- 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
- H01M8/04228—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 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
- H01M8/04298—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
- H01M8/04768—Pressure; Flow of the coolant
-
- 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
- H01M8/04949—Electric variables other electric variables, e.g. resistance or impedance
-
- 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
- H01M8/04949—Electric variables other electric variables, e.g. resistance or impedance
- H01M8/04952—Electric variables 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
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- General Physics & Mathematics (AREA)
- Fuel Cell (AREA)
Abstract
Description
(a)冬季である。
(b)燃料電池システム10の周辺環境が低温となる(次の起動が低温起動となる)ことが予測される。
(c)燃料電池スタック12内が含水状態(未乾燥状態)である。
(d)インピーダンス測定装置94が故障していない。
12…燃料電池スタック 20…発電セル
21…積層体 90…冷媒ポンプ
92a…冷媒出口温度センサ 92b…カソード出口温度センサ
94…インピーダンス測定装置 96…ECU
Oi1、Oi2…インピーダンス目標値 Or…目標回転数
Ti…停止時インピーダンス閾値
Claims (7)
- アノードガス及びカソードガスの反応により発電を行う複数の発電セルを積層した積層体を有する燃料電池スタックと、前記燃料電池スタックのインピーダンスを測定するインピーダンス測定部とを備える燃料電池システムの運転停止方法であって、
運転停止時に、前記インピーダンス測定部が測定したインピーダンス値がインピーダンス目標値以上となるまで、前記複数の発電セルの発電を行う停止時発電ステップと、
前記インピーダンス値が前記インピーダンス目標値以上となった後、前記複数の発電セルの発電をさらに所定時間継続する継続発電ステップとを有する
燃料電池システムの運転停止方法。 - 請求項1記載の燃料電池システムの運転停止方法において、
前記燃料電池スタックとラジエータとの間で冷媒を循環させる冷媒ポンプを有し、
前記継続発電ステップでは、前記冷媒ポンプの回転数を所定の目標回転数以上とする
燃料電池システムの運転停止方法。 - 請求項1又は2記載の燃料電池システムの運転停止方法において、
前記停止時発電ステップでは、前記インピーダンス目標値を前記燃料電池システムの運転時におけるインピーダンス目標値よりも高く設定する
燃料電池システムの運転停止方法。 - 請求項1〜3のいずれか1項に記載の燃料電池システムの運転停止方法において、
前記停止時発電ステップでは、バッテリのSOCに基づき前記燃料電池スタックの発電電流量が低下する低負荷発電を実施し、
前記低負荷発電の実施に伴って前記インピーダンス測定部の測定ができなくなっても前記停止時発電ステップを継続する
燃料電池システムの運転停止方法。 - 請求項4記載の燃料電池システムの運転停止方法において、
前記低負荷発電の実施時には、前記燃料電池スタックから流出する冷媒の温度又は前記燃料電池システムの補機の温度に基づき前記燃料電池スタックのインピーダンスを推定する
燃料電池システムの運転停止方法。 - 請求項1〜5のいずれか1項に記載の燃料電池システムの運転停止方法において、
前記停止時発電ステップの実施前に、冬季か否かを判定する条件判定ステップを行い、前記冬季を判定した場合に前記停止時発電ステップを実施する一方で、前記冬季でない判定をした場合に前記停止時発電ステップを実施しない
燃料電池システムの運転停止方法。 - アノードガス及びカソードガスの反応により発電を行う複数の発電セルを積層した積層体を有する燃料電池スタックと、前記燃料電池スタックのインピーダンスを測定するインピーダンス測定部とを備える燃料電池システムであって、
当該燃料電池システムの運転を制御する制御部を備え、
前記制御部は、運転停止時に、前記インピーダンス測定部が測定したインピーダンス値がインピーダンス目標値以上となるまで、前記複数の発電セルの発電を行い、前記インピーダンス値が前記インピーダンス目標値以上となった後、前記複数の発電セルの発電をさらに所定時間継続する
燃料電池システム。
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JP2020048614A JP7450421B2 (ja) | 2020-03-19 | 2020-03-19 | 燃料電池システムの運転停止方法及び燃料電池システム |
US17/205,447 US11522206B2 (en) | 2020-03-19 | 2021-03-18 | Method of stopping operation of fuel cell system |
CN202110305863.XA CN113497259B (zh) | 2020-03-19 | 2021-03-19 | 燃料电池系统的运转停止方法以及燃料电池系统 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2013152823A (ja) * | 2012-01-24 | 2013-08-08 | Denso Corp | 燃料電池システム |
JP2016004630A (ja) * | 2014-06-13 | 2016-01-12 | 本田技研工業株式会社 | 燃料電池システムの制御方法 |
WO2016013304A1 (ja) * | 2014-07-24 | 2016-01-28 | 日産自動車株式会社 | 燃料電池システム及び燃料電池システムの制御方法 |
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JP2004311277A (ja) | 2003-04-09 | 2004-11-04 | Toyota Motor Corp | 燃料電池システム |
US8658322B2 (en) * | 2005-03-09 | 2014-02-25 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system |
JP2007157414A (ja) * | 2005-12-02 | 2007-06-21 | Toyota Motor Corp | 燃料電池システムと燃料電池の含水量測定方法 |
JP5205986B2 (ja) * | 2008-01-23 | 2013-06-05 | トヨタ自動車株式会社 | 燃料電池システム |
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JP2013152823A (ja) * | 2012-01-24 | 2013-08-08 | Denso Corp | 燃料電池システム |
JP2016004630A (ja) * | 2014-06-13 | 2016-01-12 | 本田技研工業株式会社 | 燃料電池システムの制御方法 |
WO2016013304A1 (ja) * | 2014-07-24 | 2016-01-28 | 日産自動車株式会社 | 燃料電池システム及び燃料電池システムの制御方法 |
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CN113497259B (zh) | 2024-07-12 |
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JP7450421B2 (ja) | 2024-03-15 |
CN113497259A (zh) | 2021-10-12 |
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