JP4715103B2 - 燃料電池システム - Google Patents
燃料電池システム Download PDFInfo
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- JP4715103B2 JP4715103B2 JP2004092564A JP2004092564A JP4715103B2 JP 4715103 B2 JP4715103 B2 JP 4715103B2 JP 2004092564 A JP2004092564 A JP 2004092564A JP 2004092564 A JP2004092564 A JP 2004092564A JP 4715103 B2 JP4715103 B2 JP 4715103B2
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- 239000000446 fuel Substances 0.000 title claims description 213
- 239000001257 hydrogen Substances 0.000 claims description 153
- 229910052739 hydrogen Inorganic materials 0.000 claims description 153
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 139
- 239000007787 solid Substances 0.000 claims description 24
- 239000007800 oxidant agent Substances 0.000 claims description 23
- 230000001590 oxidative effect Effects 0.000 claims description 19
- 239000003792 electrolyte Substances 0.000 claims description 12
- 239000005518 polymer electrolyte Substances 0.000 claims description 11
- 229920005597 polymer membrane Polymers 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 150000002431 hydrogen Chemical class 0.000 description 11
- 230000008859 change Effects 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 238000010926 purge Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229920006254 polymer film Polymers 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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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
- H01M8/24—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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
-
- 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
- H01M8/04223—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
- H01M8/043—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
- H01M8/043—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
- H01M8/24—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
- H01M8/04—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
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- 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)
Description
このような燃料電池システムにおいて、本発明では、前回のシステム停止時における前記燃料電池の温度に基づいて、システム起動時に前記燃料電池の酸化剤極に存在する水素量を推定すると共に、システム起動運転中、燃料電池への空気供給開始から所定時間の間は、燃料電池を電力取り出し可能状態とするために必要な基準流量よりも多い、上記水素量に応じた流量の空気が燃料電池に供給されるように、空気供給流量を制御するようにしている。
本発明が適用される燃料電池システムの参考形態の主要部の概略構成を図1に示す。この燃料電池システムは、例えば燃料電池車両用の発電システムとして構成されたものであり、主要な構成要素として、発電を行う燃料電池スタック1と、この燃料電池スタック1に燃料ガスである水素を供給する水素供給系、酸化剤ガスである空気を供給する空気供給系、冷却液を供給する冷却液供給系とを備えている。
次に、本発明を適用した実施形態の燃料電池システムについて説明する。本実施形態の燃料電池システムは、基本構成を上述した参考形態と同様とし、システム起動運転を行うときの空気流量の増加分や、流量増加した空気を供給する時間を可変とした点に特徴を有するものである。すなわち、上述した参考形態では、予め実験等を行ってシステム起動時に燃料電池スタック1のカソード1b側に存在する可能性のある水素量の最大値を求め、この最大量の水素を所定の許容排出濃度以下にまで希釈できる十分な流量及び時間として、空気供給流量の増加分及び流量増加した空気を供給する時間を予め設定するようにしていたが、本実施形態の燃料電池システムでは、システム起動操作がなされた直後に、コントロールユニット21が、前回のシステム停止時から今回のシステム起動時までの経過時間や、前回のシステム停止時におけるスタック温度に基づいて、燃料電池スタック1のカソード1b側に存在する水素量を推定し、それに応じて空気供給流量の増加分や流量増加した空気を供給する時間を随時設定するようにしている。
1a アノード
1b カソード
1c 電解質膜
11 エアコンプレッサ
12 空気供給配管
13 空気排気配管
16 マフラ
20 温度センサ
21 コントロールユニット
21a カソード側水素量推定手段
21b 空気流量増加分/増加流量供給時間決定手段
21c 空気供給流量制御手段
Claims (2)
- 燃料極と酸化剤極とで固体高分子膜よりなる電解質を挟み込んだ固体高分子電解質型の燃料電池を有し、システム起動時に、前記燃料電池に水素及び基準流量の空気を供給して当該燃料電池を電力取り出し可能状態とするシステム起動運転を行う燃料電池システムにおいて、
前回のシステム停止時における前記燃料電池の温度に基づいて、システム起動時に前記燃料電池の酸化剤極に存在する水素量を推定する水素量推定手段と、
前記水素量推定手段で推定した水素量に応じて、空気供給流量の増加分を決定する流量増加分決定手段と、
前記システム起動運転中、前記燃料電池への空気供給開始から所定時間の間は、前記燃料電池を電力取り出し可能状態とするために必要な基準流量に、前記流量増加分決定手段で決定した増加分を加算した流量の空気が前記燃料電池の酸化剤極に供給されるように、空気供給流量を制御する空気供給流量制御手段とを備えることを特徴とする燃料電池システム。 - 燃料極と酸化剤極とで固体高分子膜よりなる電解質を挟み込んだ固体高分子電解質型の燃料電池を有し、システム起動時に、前記燃料電池に水素及び基準流量の空気を供給して当該燃料電池を電力取り出し可能状態とするシステム起動運転を行う燃料電池システムにおいて、
前回のシステム停止時から今回のシステム起動時までの経過時間と、前回のシステム停止時における前記燃料電池の温度とに基づいて、システム起動時に前記燃料電池の酸化剤極に存在する水素量を推定する水素量推定手段と、
前記水素量推定手段で推定した水素量に応じて、空気供給流量の増加分を決定する流量増加分決定手段と、
前記システム起動運転中、前記燃料電池への空気供給開始から所定時間の間は、前記燃料電池を電力取り出し可能状態とするために必要な基準流量に、前記流量増加分決定手段で決定した増加分を加算した流量の空気が前記燃料電池の酸化剤極に供給されるように、空気供給流量を制御する空気供給流量制御手段とを備えることを特徴とする燃料電池システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004092564A JP4715103B2 (ja) | 2004-03-26 | 2004-03-26 | 燃料電池システム |
US11/077,232 US7582370B2 (en) | 2004-03-26 | 2005-03-11 | Fuel cell system |
DE602005014408T DE602005014408D1 (de) | 2004-03-26 | 2005-03-22 | Brennstoffzellensystem |
EP05006253A EP1580828B1 (en) | 2004-03-26 | 2005-03-22 | Fuel cell system |
CNB2005100592912A CN1322624C (zh) | 2004-03-26 | 2005-03-25 | 燃料电池系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004092564A JP4715103B2 (ja) | 2004-03-26 | 2004-03-26 | 燃料電池システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005276784A JP2005276784A (ja) | 2005-10-06 |
JP4715103B2 true JP4715103B2 (ja) | 2011-07-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004092564A Expired - Lifetime JP4715103B2 (ja) | 2004-03-26 | 2004-03-26 | 燃料電池システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US7582370B2 (ja) |
EP (1) | EP1580828B1 (ja) |
JP (1) | JP4715103B2 (ja) |
CN (1) | CN1322624C (ja) |
DE (1) | DE602005014408D1 (ja) |
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JP4935038B2 (ja) * | 2005-09-30 | 2012-05-23 | 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起動方法 |
JP2007128666A (ja) * | 2005-11-01 | 2007-05-24 | Daihen Corp | 燃料電池発電システムの燃料供給方法 |
JP2007149574A (ja) * | 2005-11-30 | 2007-06-14 | Toyota Motor Corp | 燃料電池システム |
JP4946028B2 (ja) * | 2005-12-13 | 2012-06-06 | トヨタ自動車株式会社 | 燃料電池システム及び移動体 |
JP4848967B2 (ja) * | 2007-01-30 | 2011-12-28 | トヨタ自動車株式会社 | 燃料電池システム |
JP4883360B2 (ja) * | 2007-02-14 | 2012-02-22 | 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 |
JP5070966B2 (ja) * | 2007-07-18 | 2012-11-14 | トヨタ自動車株式会社 | 燃料電池システム、および、燃料電池の制御方法 |
US8349507B2 (en) | 2007-09-11 | 2013-01-08 | GM Global Technology Operations LLC | Implementation of an engine controller unit's non-volatile memory for measuring the time of a fuel cell system in a shut-off or standby state |
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JP5396748B2 (ja) | 2008-06-11 | 2014-01-22 | 日産自動車株式会社 | 燃料電池システムおよび燃料電池システムの停止方法 |
JP5380914B2 (ja) * | 2008-06-11 | 2014-01-08 | 日産自動車株式会社 | 燃料電池システムおよび燃料電池システムの制御方法 |
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JP5470234B2 (ja) * | 2010-12-21 | 2014-04-16 | 本田技研工業株式会社 | 燃料電池のクロスリーク判定方法と燃料電池システム |
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KR102496256B1 (ko) | 2017-12-18 | 2023-02-07 | 현대자동차주식회사 | 수소 퍼지 제어방법 및 제어시스템 |
DE102018208613A1 (de) * | 2018-05-30 | 2019-12-05 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Erhöhung der Sicherheit und/oder der Zuverlässigkeit des Betriebs eines Brennstoffzellenstapels |
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US6977121B2 (en) * | 2003-04-03 | 2005-12-20 | Utc Fuel Cells, Llc | Fuel cell power plant having a fuel concentration sensor cell |
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2004
- 2004-03-26 JP JP2004092564A patent/JP4715103B2/ja not_active Expired - Lifetime
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2005
- 2005-03-11 US US11/077,232 patent/US7582370B2/en not_active Expired - Fee Related
- 2005-03-22 DE DE602005014408T patent/DE602005014408D1/de active Active
- 2005-03-22 EP EP05006253A patent/EP1580828B1/en not_active Ceased
- 2005-03-25 CN CNB2005100592912A patent/CN1322624C/zh not_active Expired - Fee Related
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JP2002343397A (ja) * | 2001-05-16 | 2002-11-29 | Nissan Motor Co Ltd | 燃料電池システムの制御装置 |
JP2003178791A (ja) * | 2001-12-12 | 2003-06-27 | Nissan Motor Co Ltd | 燃料電池システム |
JP2004022460A (ja) * | 2002-06-19 | 2004-01-22 | Nissan Motor Co Ltd | 燃料電池車両の起動制御装置 |
JP2004172027A (ja) * | 2002-11-22 | 2004-06-17 | Toyota Motor Corp | 燃料電池システム |
Also Published As
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EP1580828B1 (en) | 2009-05-13 |
JP2005276784A (ja) | 2005-10-06 |
EP1580828A3 (en) | 2006-07-19 |
EP1580828A2 (en) | 2005-09-28 |
CN1674340A (zh) | 2005-09-28 |
US7582370B2 (en) | 2009-09-01 |
CN1322624C (zh) | 2007-06-20 |
US20050214604A1 (en) | 2005-09-29 |
DE602005014408D1 (de) | 2009-06-25 |
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