JP5247719B2 - 燃料電池の燃料圧力可変制御 - Google Patents
燃料電池の燃料圧力可変制御 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims description 128
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 10
- 239000007800 oxidant agent Substances 0.000 claims description 9
- 230000001590 oxidative effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims 12
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 229910052724 xenon Inorganic materials 0.000 claims 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
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Description
Claims (9)
- 酸化剤を受ける酸化剤流れ場を備えたカソードと、
燃料を受ける燃料流れ場を備えたアノードと、
前記酸化剤流れ場および前記燃料流れ場の少なくとも一方を水和するように前記カソードおよび前記アノードの少なくとも一方に隣接して配置された水輸送プレートと、
酸化剤に背圧を生じさせるように前記酸化剤流れ場の出口に接続され、前記水輸送プレートを横切る差圧が望ましい差圧となるように制御される背圧弁と、
燃料供給源と前記燃料流れ場との間に位置し、前記燃料供給源からの燃料と燃料リサイクルラインからの燃料とを前記燃料流れ場へと導くエゼクタと、
前記燃料供給源から流入する燃料圧力を調整するように前記燃料供給源と前記エゼクタとの間に配置されたドーム式圧力レギュレータと、
を備え、
前記ドーム式圧力レギュレータには、前記酸化剤流れ場からの圧力と前記エゼクタの下流からの圧力とが入力され、前記ドーム式圧力レギュレータは、これらの入力圧力に応じて両者の圧力差が一定となるように開度が変化することを特徴とする燃料電池。 - 前記水輸送プレートは、多孔質であることを特徴とする請求項1に記載の燃料電池。
- 前記望ましい差圧は、前記燃料電池内における望ましい水の均衡を維持することを特徴とする請求項2に記載の燃料電池。
- 空気を受ける空気流れ場を備えたカソードと、燃料を受ける燃料流れ場を備えたアノードと、空気に背圧を生じさせるように前記空気流れ場の出口に接続され、水輸送プレートを横切る差圧が望ましい差圧となるように制御される背圧弁と、燃料供給源と前記燃料流れ場との間に位置し、前記燃料供給源からの燃料と燃料リサイクルラインからの燃料とを前記燃料流れ場へと導くエゼクタと、前記燃料供給源から流入する燃料圧力を調整するように前記燃料供給源と前記エゼクタとの間に配置されたドーム式圧力レギュレータとを備えた燃料電池において、
前記空気流れ場および前記燃料流れ場の少なくとも一方を水和するように前記カソードおよび前記アノードの少なくとも一方に隣接して前記水輸送プレートを設けるステップと、
前記背圧弁によって空気の背圧を調節するステップと、
前記ドーム式圧力レギュレータに、前記空気流れ場からの圧力と前記エゼクタの下流からの圧力とを入力し、これらの入力圧力に応じて両者の圧力差が一定となるように前記ドーム式圧力レギュレータの開度を変化させることにより燃料圧力を調節するステップと、
前記調節された圧力により、前記水輸送プレートを横切る差圧が望ましい差圧となるようにして、前記空気流れ場および前記燃料流れ場の少なくとも一方を水和するステップと、
を含む燃料電池内における水の均衡を制御する方法。 - 前記空気圧力よりも高く前記燃料圧力を維持するステップを含むことを特徴とする請求項4に記載の制御方法。
- 未使用の燃料をポンプ輸送することを含む、前記アノードへ望ましい量の燃料を供給するステップを含むことを特徴とする請求項4に記載の制御方法。
- 酸化剤を受けるカソード反応物流れ場に接続されたカソード入口およびカソード出口を備えてなるカソードと、
前記カソード出口に接続されたカソード反応物背圧弁であって、酸化剤供給源からのカソード反応物が、前記カソード入口、前記カソード反応物流れ場、前記カソード出口、カソード反応物背圧弁の順に流れるカソード反応物背圧弁と、
燃料を受けるアノード反応物流れ場を介して接続されたアノード入口およびアノード出口を備えてなるアノードと、
前記カソード反応物流れ場および前記アノード反応物流れ場の少なくとも一方を水和するように前記カソードおよび前記アノードの少なくとも一方に隣接して配置された水輸送プレートと、
燃料供給源と前記アノード反応物流れ場との間に位置し、前記燃料供給源からの燃料と燃料リサイクルラインからの燃料とを前記アノード反応物流れ場へと導くエゼクタと、
前記燃料供給源から流入する燃料圧力を調整するように前記燃料供給源と前記エゼクタとの間に配置されたドーム式圧力レギュレータと、
を備え、
前記ドーム式圧力レギュレータには、前記カソード反応物流れ場からの圧力と前記エゼクタの下流からの圧力とが入力され、前記ドーム式圧力レギュレータは、これらの入力圧力に応じて両者の圧力差が一定となるように開度が変化することを特徴とする燃料電池。 - 前記燃料リサイクルラインにおいて接続され、前記アノード出口から前記アノード入口へアノード排出物を循環させるように構成されたリサイクルポンプを備えることを特徴とする請求項7に記載の燃料電池。
- 前記水輸送プレートは、水流れ場と連通し、ポンプ圧力を生じさせるポンプを用いて前記水流れ場において水を循環させるステップを含み、前記望ましい差圧は、前記調節された圧力および前記ポンプ圧力に基づいていることを特徴とする請求項4に記載の制御方法。
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PCT/US2006/048331 WO2008076112A1 (en) | 2006-12-19 | 2006-12-19 | Variable fuel pressure control for a fuel cell |
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JP2010539634A JP2010539634A (ja) | 2010-12-16 |
JP5247719B2 true JP5247719B2 (ja) | 2013-07-24 |
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US (1) | US20100068565A1 (ja) |
EP (1) | EP2108199B1 (ja) |
JP (1) | JP5247719B2 (ja) |
KR (1) | KR101145450B1 (ja) |
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US9225047B2 (en) * | 2011-05-30 | 2015-12-29 | Kyocera Corporation | Fuel cell device |
JP5591315B2 (ja) * | 2012-12-18 | 2014-09-17 | 本田技研工業株式会社 | 燃料電池の運転方法 |
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CA2590055A1 (en) * | 2004-12-28 | 2006-07-06 | Ballard Power Systems Inc. | Membrane electrode assembly for improved fuel cell performance |
JP2006278046A (ja) * | 2005-03-28 | 2006-10-12 | Nissan Motor Co Ltd | 燃料電池システム |
JP4739849B2 (ja) * | 2005-07-28 | 2011-08-03 | 本田技研工業株式会社 | 燃料電池システム |
-
2006
- 2006-12-19 EP EP06845760.5A patent/EP2108199B1/en active Active
- 2006-12-19 US US12/447,343 patent/US20100068565A1/en not_active Abandoned
- 2006-12-19 WO PCT/US2006/048331 patent/WO2008076112A1/en active Search and Examination
- 2006-12-19 KR KR1020097010097A patent/KR101145450B1/ko active IP Right Grant
- 2006-12-19 CN CN2006800566592A patent/CN101689622B/zh active Active
- 2006-12-19 JP JP2009542733A patent/JP5247719B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP2108199B1 (en) | 2015-02-18 |
EP2108199A4 (en) | 2011-03-16 |
CN101689622A (zh) | 2010-03-31 |
US20100068565A1 (en) | 2010-03-18 |
JP2010539634A (ja) | 2010-12-16 |
WO2008076112A1 (en) | 2008-06-26 |
EP2108199A1 (en) | 2009-10-14 |
KR20090068290A (ko) | 2009-06-25 |
KR101145450B1 (ko) | 2012-05-15 |
CN101689622B (zh) | 2013-09-11 |
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