JPWO2012053324A1 - 燃料電池システムの運転方法 - Google Patents
燃料電池システムの運転方法 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 198
- 238000000034 method Methods 0.000 title claims description 45
- 239000007789 gas Substances 0.000 claims abstract description 177
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 91
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 81
- 239000012535 impurity Substances 0.000 claims abstract description 73
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 230000035699 permeability Effects 0.000 claims abstract description 46
- 230000010349 pulsation Effects 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims description 17
- 238000011017 operating method Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims 2
- 239000012528 membrane Substances 0.000 abstract description 16
- 230000006866 deterioration Effects 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 description 19
- 229910052739 hydrogen Inorganic materials 0.000 description 19
- 230000004913 activation Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 239000012809 cooling fluid Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
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- 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
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- 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
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- H—ELECTRICITY
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- 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
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- H01M8/00—Fuel cells; Manufacture thereof
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- 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
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- H01M8/0438—Pressure; Ambient pressure; Flow
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- H01M8/0444—Concentration; Density
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- 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
- H01M8/04164—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 by condensers, gas-liquid separators or filters
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- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
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Abstract
Description
FS 燃料電池スタック
42 バッファタンク
52 起動制御部(不純物ガス濃度推定手段・窒素ガス透過度推定手段)
50 スタック温度検出手段
53 タイマ
54 タンク用水素ガス検出手段
55 電池用水素ガス検出手段
Claims (9)
- 単位セルを複数積層して成る燃料電池スタックと、燃料電池スタックから排出されたアノードオフガスに含まれる不純物ガスを外部に排出するためのバッファタンクを備え、燃料電池スタックに対するアノードガスの供給圧力を脈動させることにより燃料電池スタック内の不純物ガスをバッファタンクに圧送する構造を有するアノードガス非循環型の燃料電池システムを運転するに際し、
カソード側からアノード側への窒素ガスの透過度に応じて、燃料電池スタックに対するアノードガスの供給圧力の脈動振幅若しくは脈動周期を設定することを特徴とする燃料電池システムの運転方法。 - カソード側からアノード側への窒素ガスの透過度が所定値以下である場合に、燃料電池スタックに対するアノードガスの供給圧力が一定になるように制御することを特徴とする請求項1に記載の燃料電池システムの運転方法。
- 単位セルを複数積層して成る燃料電池スタックと、燃料電池スタックから排出されたアノードオフガスに含まれる不純物ガスを外部に排出するためのバッファタンクを備え、燃料電池スタックに対するアノードガスの供給圧力を脈動させることにより燃料電池スタック内の不純物ガスをバッファタンクに圧送する構造を有するアノードガス非循環型の燃料電池システムを運転するに際し、
バッファタンク内の不純物ガスの濃度を推定する不純物ガス濃度推定手段と、
燃料電池スタックにおけるカソード側からアノード側への窒素ガスの透過度を推定する窒素ガス透過度推定手段を用い、
バッファタンク内の不純物ガスの濃度が所定値以上であり且つ燃料電池スタックにおけるカソード側からアノード側への窒素ガスの透過度が所定値以下である場合に、燃料電池スタックに対するアノードガスの供給圧力が一定になるように制御することを特徴とする燃料電池システムの運転方法。 - 燃料電池スタックの温度を検出するスタック温度検出手段を用い、燃料電池スタックの温度が所定値以下である場合に、燃料電池スタックに対するアノードガスの供給圧力が一定になるように制御することを特徴とする請求項3に記載の燃料電池システムの運転方法。
- システムの停止後の放置時間を計測するタイマを用い、放置時間が所定値以上である場合に、燃料電池スタックに対するアノードガスの供給圧力が一定になるように制御することを特徴とする請求項4に記載の燃料電池システムの運転方法。
- 燃料電池スタックの温度を検出するスタック温度検出手段を用い、燃料電池スタックの温度が所定値以上に達したところで、燃料電池スタックに対するアノードガスの供給圧力を一定にする制御からアノードガスの供給圧力を脈動させる制御に移行することを特徴とする請求項3〜5のいずれか1項に記載の燃料電池システムの運転方法。
- 前記不純物ガス濃度推定手段に代えて、バッファタンク内の水素ガスの濃度を検出するタンク用水素ガス検出手段を用い、バッファタンク内の不純物ガスの推定濃度をバッファタンク内の水素ガスの検出濃度から算出して判定を行うことを特徴とする請求項3〜6のいずれか1項に記載の燃料電池システムの運転方法。
- 前記窒素ガス透過度推定手段に代えて、燃料電池スタックのアノード側の水素ガスの濃度を検出する電池用水素ガス検出手段を用い、燃料電池スタックにおけるカソード側からアノード側への窒素ガスの推定透過度を燃料電池スタックのアノード側の水素ガスの検出濃度から算出して判定を行うことを特徴とする請求項3〜7のいずれか1項に記載の燃料電池システムの運転方法。
- 請求項3〜8のいずれか1項に記載の燃料電池システムの運転方法において、起動から所定時間の経過後に、燃料電池スタックに対するアノードガスの供給圧力を脈動させることを特徴とする燃料電池システムの運転方法。
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JP6308366B2 (ja) * | 2014-07-25 | 2018-04-11 | 住友電気工業株式会社 | 電解液循環型電池 |
JP6229634B2 (ja) * | 2014-10-24 | 2017-11-15 | トヨタ自動車株式会社 | 燃料電池システムと車両および開閉バルブの駆動不良判定方法 |
FR3041478A1 (fr) * | 2015-09-21 | 2017-03-24 | Commissariat Energie Atomique | Determination d’une distribution spatiale de la permeabilite d’une electrode de cellule electrochimique |
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JP4976334B2 (ja) | 2008-04-28 | 2012-07-18 | 住友電気工業株式会社 | 光ファイバケーブル |
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-
2011
- 2011-09-27 CN CN201180041430.2A patent/CN103081196B/zh not_active Expired - Fee Related
- 2011-09-27 US US13/818,792 patent/US9269973B2/en not_active Expired - Fee Related
- 2011-09-27 JP JP2012539655A patent/JP5447684B2/ja not_active Expired - Fee Related
- 2011-09-27 WO PCT/JP2011/071982 patent/WO2012053324A1/ja active Application Filing
- 2011-09-27 EP EP11834164.3A patent/EP2631977A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
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EP2631977A1 (en) | 2013-08-28 |
CN103081196A (zh) | 2013-05-01 |
CN103081196B (zh) | 2015-05-13 |
US9269973B2 (en) | 2016-02-23 |
JP5447684B2 (ja) | 2014-03-19 |
WO2012053324A1 (ja) | 2012-04-26 |
US20130149627A1 (en) | 2013-06-13 |
EP2631977A4 (en) | 2014-10-08 |
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