JP4656985B2 - 水素生成装置および燃料電池システム - Google Patents
水素生成装置および燃料電池システム Download PDFInfo
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Description
CnH2n+2+nH2O → (2n+1)H2+nCO …(1)
CnH2n+2+(n/2)O2 → (n+1)H2+nCO …(2)
CO+H2O ⇔ CO2+H2 …(3)
CO+3H2 ⇔ CH4+H2O …(4)
本発明の燃料電池システムの第1実施形態を図1〜図5を参照して説明する。本実施形態の燃料電池システムは、水素透過性の金属膜の膜面にプロトン伝導性のセラミックスが積層されたものを電解質膜として用いた水素分離膜型燃料電池(HMFC)が搭載された電気自動車に本発明の水素生成装置を搭載し、触媒温度が改質開始温度に達していない起動時に、熱容量の異なる二種の改質反応器のうち熱容量の小さい側の改質反応器を優先して改質反応を開始するように構成したものである。
H2 → 2H++2e- …(1)
(1/2)O2+2H++2e- → H2O …(2)
H2+(1/2)O2 → H2O …(3)
本発明の燃料電池システムの第2実施形態を図6を参照して説明する。本実施形態は、温度センサによる検出値を用いた判断を行なわず、起動時に各PSR型改質器の既知の熱容量に基づいて改質反応を開始する改質反応器を選択し、選択された改質反応器で強制的に改質反応を開始するようにしたものである。
本発明の燃料電池システムの第3実施形態を図7を参照して説明する。本実施形態は、PSR型改質器の既知の熱容量の大小に拘わらず、起動時の温度センサによる検出値に基づいて改質反応を開始する改質反応器を選択し、選択された改質反応器で改質反応を開始するようにしたものである。
本発明の燃料電池システムの第4実施形態を図8を参照して説明する。本実施形態は、第1実施形態において熱容量が大小異なる組合せとなるように2つのPSR型改質器を設けて構成された2組のPSR改質装置を、熱容量が略同一の組合せとなるように2つのPSR型改質器を設けて構成するようにしたものである。
10A,10B,20A,20B…PSR型改質器
12…触媒(触媒担持部)
12A,12B…触媒非担持部
15,16,17,18,19,20,21,22,23,24,25,26…噴射装置
27…温度センサ
30,60,70…水素分離膜型燃料電池
51…電解質膜
52…酸素極
53…水素極
59a…エア流路
59b…燃料流路
100…制御装置
V1〜V25…バルブ
Claims (5)
- 触媒を備え、改質用原料が供給されたときには加熱された前記触媒上で前記改質用原料を改質反応させ、発熱用燃料が供給されたときには該発熱用燃料を発熱反応させて前記触媒を加熱する、熱容量aの改質反応器と熱容量b(b>a)の改質反応器とを含む少なくとも2基の改質反応器と、
前記改質反応器の触媒温度を検出する検出手段と、
前記検出手段により検出された前記触媒温度が前記改質開始温度以上に到達したか否かを判定する判定手段と、
前記改質反応器への前記改質用原料の供給流路および前記発熱用燃料の供給流路を切替える切替手段と、
改質反応させる際に、前記判定手段により前記改質反応器の温度が改質反応可能な改質開始温度に到達したと判定されたときに、前記改質反応器の温度が改質反応可能な改質開始温度に到達する少なくとも1基の前記熱容量aの改質反応器を選択し、選択された前記熱容量aの改質反応器に前記改質用原料が供給されるように、前記切替手段により前記供給流路を切替える切替制御手段と、
を備え、
前記選択された改質反応器で改質反応させ、選択されていない改質反応器で発熱反応させて触媒を加熱するとともに、前記改質反応で触媒温度が低下した場合に、改質反応させた改質反応器の改質反応を発熱反応に切替え、発熱反応させた改質反応器の発熱反応を改質反応に切替える水素生成装置。 - 前記少なくとも2基の改質反応器は、熱容量c以下の2基の改質反応器が組み合わされた少なくとも1組と、熱容量cを超える2基の改質反応器が組み合わされた少なくとも1組とを備え、前記切替制御手段は前記熱容量c以下の2基の改質反応器の少なくとも一方に前記改質用原料を供給するようにした請求項1に記載の水素生成装置。
- 前記切替手段は、酸素含有ガスの供給流路が切替えられるように構成され、
前記切替制御手段は、前記選択前に前記改質反応器に前記改質用原料および前記酸素含有ガスが供給されるように、前記切替手段により前記供給流路を切替えるようにした請求項1又は請求項2に記載の水素生成装置。 - 請求項1〜3のいずれか1項に記載の水素生成装置と、前記水素生成装置で改質生成された水素含有ガスの供給により発電する燃料電池とを備えた燃料電池システム。
- 前記燃料電池は、水素透過性金属層の少なくとも片側に電解質層が積層された電解質を備えた請求項4に記載の燃料電池システム。
Priority Applications (5)
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JP2005108937A JP4656985B2 (ja) | 2005-04-05 | 2005-04-05 | 水素生成装置および燃料電池システム |
CN2006800107619A CN101151762B (zh) | 2005-04-05 | 2006-04-04 | 氢气产生装置和包含该氢气产生装置的燃料电池系统 |
US11/885,636 US7867647B2 (en) | 2005-04-05 | 2006-04-04 | Hydrogen generation device and fuel cell system including same |
DE112006000796T DE112006000796T5 (de) | 2005-04-05 | 2006-04-04 | Wasserstofferzeugungsvorrichtung und diese enthaltendes Brennstoffzellensystem |
PCT/IB2006/000776 WO2006106403A1 (en) | 2005-04-05 | 2006-04-04 | Hydrogen generation device and fuel cell system including same |
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JP2005108937A JP4656985B2 (ja) | 2005-04-05 | 2005-04-05 | 水素生成装置および燃料電池システム |
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JP (1) | JP4656985B2 (ja) |
CN (1) | CN101151762B (ja) |
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DE102008018152B4 (de) * | 2008-04-10 | 2019-03-07 | Eberspächer Climate Control Systems GmbH & Co. KG | Brennstoffzellensystem und zugehöriges Betriebsverfahren |
WO2011108317A1 (ja) * | 2010-03-01 | 2011-09-09 | トヨタ自動車株式会社 | 燃料電池システム、燃料電池の制御方法、および、燃料電池の判定方法 |
JP5248711B2 (ja) * | 2010-07-07 | 2013-07-31 | パナソニック株式会社 | 燃料電池システムおよびその運転方法 |
US8697451B2 (en) * | 2010-11-22 | 2014-04-15 | Fuelcell Energy, Inc. | Sulfur breakthrough detection assembly for use in a fuel utilization system and sulfur breakthrough detection method |
JP6096402B2 (ja) * | 2011-05-19 | 2017-03-15 | 本田技研工業株式会社 | 燃料電池システム |
CN103794810A (zh) * | 2013-12-05 | 2014-05-14 | 南通百应能源有限公司 | 一种燃料电池的制氢设备 |
CN111193050B (zh) * | 2018-11-14 | 2021-03-12 | 中国科学院大连化学物理研究所 | 一种重整高温燃料电池系统及其启动方法 |
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- 2006-04-04 CN CN2006800107619A patent/CN101151762B/zh not_active Expired - Fee Related
- 2006-04-04 WO PCT/IB2006/000776 patent/WO2006106403A1/en not_active Application Discontinuation
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US20080160367A1 (en) | 2008-07-03 |
WO2006106403A1 (en) | 2006-10-12 |
JP2006290633A (ja) | 2006-10-26 |
US7867647B2 (en) | 2011-01-11 |
CN101151762B (zh) | 2010-09-22 |
DE112006000796T5 (de) | 2008-01-31 |
CN101151762A (zh) | 2008-03-26 |
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