JP5260052B2 - 固体酸化物型燃料電池 - Google Patents
固体酸化物型燃料電池 Download PDFInfo
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Description
金属サポート材料、
良好な炭化水素クラッキング触媒で構成された活性アノード層、
電解質層、
活性カソード層、および
カソード集電板までの、好ましくは、LSMとフェライトの混合物で構成された遷移層、
を有し、
前記金属サポートと前記活性アノードの間の拡散を抑制する手段が提供されることを特徴とする。
実質的に純粋な電子伝導性酸化物で終端する傾斜層状セラミック構造からなるフェライト系金属サポート、
ドープされたセリアとNi−Fe合金との混合物のような、良好な炭化水素触媒からなる活性アノード層、
電解質層、
活性カソード層、
LSM(LaxSr1-xMnO3)とフェライトの混合物から構成されることが好ましい遷移層、および
単一層のLSMで構成されることが好ましいカソード集電板
を有する。
1アノード/金属サポートバリア層が不要となり、単純になる
2安価な処理プロセス−−ダブル含浸層の場合、一つの焼結処理のみが必要となる
3Niなしで焼結処理が実施され、これにより焼結時の粗大化の問題が生じなくなる
4含浸処理によって、高表面積の電極が得られる可能性が高まる
5作動温度が焼結温度よりも低いため、電極材料と他のセル材料の間の化学反応が抑制/防止される
6含浸層の複合構造によって、電解質と金属サポートとの間に、良好な機械的結合および良好な界面伝導性が提供される。
Claims (19)
- 金属サポート材料、
活性アノード層、
電解質層、
活性カソード層、および
前記活性カソード層とカソード集電板の間の遷移層、
を有し、
前記遷移層は、LSMとフェライトの混合物、またはLSMと(Y , Ca)FeCoCo 3 の混合物で構成され、前記カソード集電板に向かって傾斜された組成を有し、
前記金属サポート材料と前記活性アノード層の間の拡散を抑制する手段が提供され、
前記活性アノード層は、多孔質材料および炭化水素クラッキング触媒からなり、前記金属サポート材料と前記多孔質材料とが焼結により形成された後に、前記多孔質材料に前記炭化水素クラッキング触媒が含浸され、これにより、前記金属サポート材料と前記活性アノード層の間の拡散が抑制されることを特徴とする固体酸化物型燃料電池。 - 前記金属サポート材料は、FeCrMxで表される種類の金属合金で構成され、Mxは、Ni、Ti、Ce、Mn、Mo、W、Co、La、YまたはAlであることを特徴とする請求項1に記載の固体酸化物型燃料電池。
- 前記活性アノード層は、ドープされたセリアとNi−Fe合金の混合物で構成されることを特徴とする請求項1に記載の固体酸化物型燃料電池。
- 前記電解質層と前記活性カソード層の間に、ドープされたセリアの反応バリア層が設置されることを特徴とする請求項1乃至3のいずれか一つに記載の固体酸化物型燃料電池。
- 前記活性カソード層は、ScYSZおよびドープ化セリアの中から選択される一つの材料と、LSM、LnSrMn、LnSrFeCo、(Y1-xCax)Fe1-yCoyCo3、(Gd1-xSrx)Fe1-yCoyO3、および(Gd1-xCax)sFe1-yCoyO3の中から選択される一つの材料との複合材で構成されることを特徴とする請求項1乃至4のいずれか一つに記載の固体酸化物型燃料電池。
- 前記電解質層は、酸素イオン伝導体をベースとした、共ドープされたジルコニアまたは共ドープされたセリアで構成されることを特徴とする請求項1乃至4のいずれか一つに記載の固体酸化物型燃料電池。
- 多孔質Fe−Cr−Mx製の前記金属サポート材料の内表面および外表面には、コーティング層があることを特徴とする請求項1乃至6のいずれか一つに記載の固体酸化物型燃料電池。
- 前記金属サポート材料は、0乃至50%の金属酸化物が添加されたFe−Cr含有合金で構成されることを特徴とする請求項1に記載の固体酸化物型燃料電池。
- 前記金属サポート材料には、ドープされたジルコニア、ドープされたセリア、Al2O3、TiO2、MgO、CaO、Cr2O3、FeOxまたはこれらの組み合わせからなる群から選択される金属酸化物が添加されることを特徴とする請求項1に記載の固体酸化物型燃料電池。
- 前記活性アノード層の多孔質材料は、ドープされたジルコニアまたはドープされたセリアで構成され、
ドーパントは、Sc、Y、Ce、Ga、Sm、Gd、Caおよび/もしくはいずれかのLn元素、またはこれらの組み合わせからなる群から選定されることを特徴とする請求項1に記載の固体酸化物型燃料電池。 - 前記活性アノード層の多孔質材料は、ドープされたジルコニアまたはセリアで構成され、
ドーパントは、Sc、Y、Ce、Ga、Sm、Gd、Caおよび/もしくはいずれかのLn元素、または金属合金と混合されたこれらの組み合わせからなる群から選定されることを特徴とする請求項10に記載の固体酸化物型燃料電池。 - 前記活性アノード層は、ドープされたジルコニアまたはドープされたセリアの多孔質層で構成され、
ドーパントは、Sc、Y、Ce、Ga、Sm、Gd、Caおよび/もしくはいずれかのLn元素、または金属触媒とこれらの組み合わせからなる群から選定されることを特徴とする請求項1乃至11のいずれか一つに記載の固体酸化物型燃料電池。 - 前記活性カソード層は、ドープされたジルコニアまたはセリアの混合物から構成され、
ドーパントは、Sc、Y、Ce、Ga、Sm、Gd、Caおよび/もしくはいずれかのLn元素、またはこれらと、(La,Gd,Sr)(Fe,Co)O3-δとの組み合わせからなる群から選定されることを特徴とする請求項1乃至12のいずれか一つに記載の固体酸化物型燃料電池。 - 前記活性カソード層は、多孔質層で構成され、
該多孔質層の中に、焼結後に、活性カソードが含浸されることを特徴とする請求項1乃至13のいずれか一つに記載の固体酸化物型燃料電池。 - 前記活性アノード層の多孔質材料は、ドープされたジルコニアまたはドープされたセリアで構成され、
ドーパントは、Sc、Y、Ce、Ga、Sm、Gd、Caおよび/もしくはLn元素、またはこれらの組み合わせからなる群から選定されることを特徴とする請求項14に記載の固体酸化物型燃料電池。 - 前記活性アノード層の多孔質材料は、ドープされたジルコニアまたはドープされたセリアで構成され、
ドーパントは、Sc、Y、Ce、Ga、Sm、Gd、Caおよび/もしくはいずれかのLn元素、または金属合金と混合されたこれらの組み合わせからなる群から選定されることを特徴とする請求項15に記載の固体酸化物型燃料電池。 - 前記電解質層は、ドープされたジルコニアまたはセリアで構成され、
ドーパントは、Sc、Y、Ce、Ga、Sm、Gd、Caおよび/もしくはいずれかのLn元素、またはこれらの組み合わせからなる群から選定されることを特徴とする請求項14に記載の固体酸化物型燃料電池。 - 前記活性アノード層は、ドープされたジルコニアまたはドープされたセリアで構成され、
ドーパントは、Sc、Y、Ce、Ga、Sm、Gd、Caおよび/もしくはいずれかのLn元素、または金属触媒とこれらの組み合わせからなる群から選定されることを特徴とする請求項14に記載の固体酸化物型燃料電池。 - 前記活性カソード層は、ドープされたジルコニアまたはドープされたセリアの混合物で構成され、
ドーパントは、Sc、Y、Ce、Ga、Sm、Gd、Caおよび/もしくはいずれかのLn元素、またはこれらと(LaGdSr)(FeCo)O3-δの組み合わせからなる群から選定されることを特徴とする請求項14に記載の固体酸化物型燃料電池。
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Application Number | Priority Date | Filing Date | Title |
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DKPA200400904 | 2004-06-10 | ||
DKPA200400904 | 2004-06-10 | ||
DKPA200500159 | 2005-02-02 | ||
DKPA200500159 | 2005-02-02 | ||
PCT/DK2005/000379 WO2005122300A2 (en) | 2004-06-10 | 2005-06-09 | Solid oxide fuel cell |
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JP2008502113A JP2008502113A (ja) | 2008-01-24 |
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US (1) | US7745031B2 (ja) |
EP (2) | EP1784888A2 (ja) |
JP (2) | JP5260052B2 (ja) |
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AU (1) | AU2005253203B2 (ja) |
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US20070269701A1 (en) | 2007-11-22 |
JP2008502113A (ja) | 2008-01-24 |
KR20070038511A (ko) | 2007-04-10 |
WO2005122300A3 (en) | 2006-03-02 |
RU2006144071A (ru) | 2008-07-20 |
CA2569866A1 (en) | 2005-12-22 |
EP1784888A2 (en) | 2007-05-16 |
RU2399996C1 (ru) | 2010-09-20 |
KR20080105182A (ko) | 2008-12-03 |
AU2005253203B2 (en) | 2009-05-28 |
NO20070151L (no) | 2007-03-08 |
WO2005122300A2 (en) | 2005-12-22 |
CN102013507A (zh) | 2011-04-13 |
CN1985397A (zh) | 2007-06-20 |
RU2356132C2 (ru) | 2009-05-20 |
CA2569866C (en) | 2011-05-17 |
EP2259373A1 (en) | 2010-12-08 |
AU2005253203A1 (en) | 2005-12-22 |
CN1985397B (zh) | 2012-07-04 |
US7745031B2 (en) | 2010-06-29 |
JP2012069533A (ja) | 2012-04-05 |
RU2008152447A (ru) | 2010-07-10 |
KR100909120B1 (ko) | 2009-07-23 |
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