JP5095264B2 - 改質器および間接内部改質型高温型燃料電池 - Google Patents
改質器および間接内部改質型高温型燃料電池 Download PDFInfo
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Description
反応容器と、該反応容器内に水蒸気改質能を有する粒状触媒が充填された改質触媒層を有する改質器において、
該改質触媒層を少なくとも二つに区画する仕切り板を有し、
該仕切り板の熱伝導率が該触媒層の有効熱伝導率より高く、
該仕切り板が、該反応容器の、定格運転時においてより高温の部分からより低温の部分に向かって延在する改質器が提供される。
該改質器は、反応容器と、該反応容器内に水蒸気改質能を有する粒状触媒が充填された改質触媒層を有し、
該改質器が該高温型燃料電池からの熱輻射を受ける位置に配された間接内部改質型高温型燃料電池であって、
該改質器が、該改質触媒層を少なくとも二つに区画する仕切り板を有し、
該仕切り板の熱伝導率は該触媒層の有効熱伝導率より高く、
該仕切り板が、該反応容器の、定格運転時においてより高温の部分からより低温の部分に向かって延在する間接内部改質型高温型燃料電池が提供される。
ただし、該改質器が該高温型燃料電池からの熱輻射を受ける位置に配されることにより、該高温型燃料電池が、該反応容器の外から該反応容器を加熱する熱源とされる。また、
該高温型燃料電池が、直方体状であり、かつ、該高温型燃料電池の上面においてアノードオフガスが燃焼可能とされ、
該改質器が該高温型燃料電池の上方に配され、かつ、該改質器内のガス流通方向が水平とされる。
前記改質器が直方体状であることができる。
前記反応容器の内から前記触媒層を加熱する熱源を備えることができる。
前記反応容器の内から前記触媒層を加熱する熱源が電気ヒータであることができる。
水平に設けられた平板状の第二の仕切り板をさらに有することができる。
第一の仕切り板の熱伝導率は、改質触媒層の有効熱伝導率より高くする。第二の仕切り板を設ける場合も、その熱伝導率は、改質触媒層の有効熱伝導率より高くする。
炭化水素系燃料としては、改質ガスの原料として高温型燃料電池の分野で公知の、分子中に炭素と水素を含む(酸素など他の元素を含んでもよい)化合物もしくはその混合物から適宜選んで用いることができ、炭化水素類、アルコール類など分子中に炭素と水素を有する化合物を用いることができる。例えばメタン、エタン、プロパン、ブタン、天然ガス、LPG(液化石油ガス)、都市ガス、ガソリン、ナフサ、灯油、軽油等の炭化水素燃料、また、メタノール、エタノール等のアルコール、ジメチルエーテル等のエーテル等である。
本発明は、高温型燃料電池からの熱輻射によって改質器を加熱可能な間接内部改質型燃料電池に好適に適用することができる。このような高温型燃料電池としてSOFCの他に、溶融炭酸塩型燃料電池(MCFC)を挙げることができる。
改質器は、反応容器内に水蒸気改質能を有する粒状触媒が充填された改質触媒層を有する。水蒸気改質能を有する改質触媒としては、水蒸気改質能を有する水蒸気改質触媒、および、部分酸化改質能と水蒸気改質能とを併せ持つオートサーマル改質触媒から適宜選んで用いることができる。
改質器で用いる水蒸気改質触媒、オートサーマル改質触媒のいずれも、それぞれ公知の触媒を用いることができる。水蒸気改質触媒の例としてはルテニウム系およびニッケル系、オートサーマル改質触媒の例としてはロジウム系触媒を挙げることができる。
本発明の間接内部改質型高温型燃料電池に、高温型燃料電池システムの公知の構成要素を必要に応じて適宜付設して用いることができる。このような構成要素の具体例を挙げれば、炭化水素系燃料に含まれる硫黄分を低減する脱硫器、液体を気化させる気化器、各種流体を加圧するためのポンプ、圧縮機、ブロワなどの昇圧手段、流体の流量を調節するため、あるいは流体の流れを遮断/切り替えるためのバルブ等の流量調節手段や流路遮断/切り替え手段、熱交換・熱回収を行うための熱交換器、気体を凝縮する凝縮器、スチームなどで各種機器を外熱する加熱/保温手段、炭化水素系燃料や可燃物の貯蔵手段、計装用の空気や電気系統、制御用の信号系統、制御装置、出力用や動力用の電気系統などである。
2:改質容器
3:第一の仕切り板
4:第二の仕切り板
5:改質触媒層
6:SOFC
7:モジュール容器
8:電気ヒータ
Claims (5)
- 水蒸気改質反応を利用して炭化水素系燃料から水素含有ガスを製造する改質器と、該水素含有ガスを用いて発電を行う高温型燃料電池とを有し、
該改質器は、反応容器と、該反応容器内に水蒸気改質能を有する粒状触媒が充填された改質触媒層を有し、
該改質器が該高温型燃料電池からの熱輻射を受ける位置に配されることにより、該高温型燃料電池が、該反応容器の外から該反応容器を加熱する熱源とされた間接内部改質型高温型燃料電池であって、
該改質器が、該改質触媒層を少なくとも二つに区画する仕切り板を有し、
該仕切り板の熱伝導率は該触媒層の有効熱伝導率より高く、
該仕切り板が、該反応容器の、定格運転時においてより高温の部分からより低温の部分に向かって延在し、
該高温型燃料電池が、直方体状であり、かつ、該高温型燃料電池の上面においてアノードオフガスが燃焼可能とされ、
該改質器が該高温型燃料電池の上方に配され、かつ、該改質器内のガス流通方向が水平とされた
間接内部改質型高温型燃料電池。 - 前記改質器が直方体状である請求項1記載の間接内部改質型高温型燃料電池。
- 前記反応容器の内から前記触媒層を加熱する熱源を備える請求項1または2記載の間接内部改質型高温型燃料電池。
- 前記反応容器の内から前記触媒層を加熱する熱源が電気ヒータである請求項3記載の間接内部改質型高温型燃料電池。
- 水平に設けられた平板状の第二の仕切り板をさらに有する請求項1〜4の何れかに記載の間接内部改質型高温型燃料電池。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007130486A JP5095264B2 (ja) | 2007-05-16 | 2007-05-16 | 改質器および間接内部改質型高温型燃料電池 |
CA002687231A CA2687231A1 (en) | 2007-05-16 | 2008-05-15 | Reformer and indirect internal reforming high temperature fuel cell |
EP08752801.4A EP2157048B1 (en) | 2007-05-16 | 2008-05-15 | Reformer and indirect internal reforming-type high-temperature fuel cell |
CN2008800159222A CN101679029B (zh) | 2007-05-16 | 2008-05-15 | 间接内部改性型固体氧化物燃料电池 |
US12/600,150 US8338041B2 (en) | 2007-05-16 | 2008-05-15 | Reformer and indirect internal reforming high temperature fuel cell |
PCT/JP2008/058943 WO2008140116A1 (ja) | 2007-05-16 | 2008-05-15 | 改質器および間接内部改質型高温型燃料電池 |
KR1020097026088A KR101422316B1 (ko) | 2007-05-16 | 2008-05-15 | 개질기 및 간접 내부 개질 형 고온 형 연료전지. |
TW097118108A TWI416790B (zh) | 2007-05-16 | 2008-05-16 | 間接內部重組式高溫型燃料電池 |
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US (1) | US8338041B2 (ja) |
EP (1) | EP2157048B1 (ja) |
JP (1) | JP5095264B2 (ja) |
KR (1) | KR101422316B1 (ja) |
CN (1) | CN101679029B (ja) |
CA (1) | CA2687231A1 (ja) |
TW (1) | TWI416790B (ja) |
WO (1) | WO2008140116A1 (ja) |
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KR101228631B1 (ko) | 2010-12-03 | 2013-01-31 | 재단법인 포항산업과학연구원 | 개질 장치 |
JP6550813B2 (ja) * | 2015-03-18 | 2019-07-31 | 富士電機株式会社 | 燃料電池モジュール |
JP6495767B2 (ja) * | 2015-07-03 | 2019-04-03 | 日立造船株式会社 | 燃料電池システム |
DE112017005364T5 (de) * | 2016-10-24 | 2019-07-18 | Precision Combustion, Inc. | Regenerativer festoxidstapel |
JP7240870B2 (ja) * | 2018-12-20 | 2023-03-16 | 三菱重工業株式会社 | 燃焼バーナ収容装置及びダミーポート閉塞方法 |
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JPS61190867A (ja) * | 1985-02-19 | 1986-08-25 | Toshiba Corp | 燃料電池発電システム |
JPH02102101A (ja) * | 1988-10-12 | 1990-04-13 | Fuji Electric Co Ltd | 燃料電池の改質器 |
JPH04265147A (ja) * | 1991-02-19 | 1992-09-21 | Fuji Electric Co Ltd | 燃料改質器 |
JPH05129026A (ja) | 1991-11-07 | 1993-05-25 | Sanyo Electric Co Ltd | 内部改質式燃料電池 |
JPH09503615A (ja) * | 1993-10-06 | 1997-04-08 | セラマテック,インコーポレーテッド | 内蔵変換装置/cpn固体酸化物燃料電池スタック・モジュール設計 |
JPH07272741A (ja) * | 1994-03-31 | 1995-10-20 | Mitsubishi Heavy Ind Ltd | 円筒型固体電解質型燃料電池のモジュール構造 |
JPH0930801A (ja) * | 1995-07-19 | 1997-02-04 | Mitsubishi Electric Corp | 改質反応器 |
JPH1017303A (ja) * | 1996-06-28 | 1998-01-20 | Daikin Ind Ltd | 燃料電池用改質器 |
JPH1111901A (ja) * | 1997-06-24 | 1999-01-19 | Fuji Electric Co Ltd | 燃料電池発電装置用改質器 |
CN1321136A (zh) * | 1999-09-10 | 2001-11-07 | 大金工业株式会社 | 氢气发生装置及使用该装置的燃料电池 |
JP2001151502A (ja) * | 1999-11-26 | 2001-06-05 | Daikin Ind Ltd | 燃料改質装置 |
JP4644892B2 (ja) * | 1999-12-16 | 2011-03-09 | ダイキン工業株式会社 | 改質装置 |
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CN1290065C (zh) | 2001-12-14 | 2006-12-13 | Sgdl;系统有限公司 | 在n维空间产生m次图形的方法和设备 |
JP2003226506A (ja) * | 2002-02-06 | 2003-08-12 | Mitsubishi Electric Corp | 燃料電池用改質器 |
JP4645876B2 (ja) * | 2002-04-26 | 2011-03-09 | 日産自動車株式会社 | 固体電解質型燃料電池 |
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JP2006327904A (ja) | 2005-05-30 | 2006-12-07 | Babcock Hitachi Kk | 水素製造装置と該水素製造装置を備えた燃料電池システム |
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2007
- 2007-05-16 JP JP2007130486A patent/JP5095264B2/ja not_active Expired - Fee Related
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2008
- 2008-05-15 WO PCT/JP2008/058943 patent/WO2008140116A1/ja active Application Filing
- 2008-05-15 KR KR1020097026088A patent/KR101422316B1/ko not_active IP Right Cessation
- 2008-05-15 EP EP08752801.4A patent/EP2157048B1/en not_active Not-in-force
- 2008-05-15 CA CA002687231A patent/CA2687231A1/en not_active Abandoned
- 2008-05-15 CN CN2008800159222A patent/CN101679029B/zh not_active Expired - Fee Related
- 2008-05-15 US US12/600,150 patent/US8338041B2/en active Active
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Also Published As
Publication number | Publication date |
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TWI416790B (zh) | 2013-11-21 |
US20100227235A1 (en) | 2010-09-09 |
CN101679029A (zh) | 2010-03-24 |
EP2157048A4 (en) | 2012-11-07 |
CA2687231A1 (en) | 2008-11-20 |
KR20100024934A (ko) | 2010-03-08 |
WO2008140116A1 (ja) | 2008-11-20 |
JP2008285355A (ja) | 2008-11-27 |
CN101679029B (zh) | 2013-06-12 |
EP2157048B1 (en) | 2014-01-08 |
EP2157048A1 (en) | 2010-02-24 |
US8338041B2 (en) | 2012-12-25 |
KR101422316B1 (ko) | 2014-07-22 |
TW200919817A (en) | 2009-05-01 |
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