JP5667078B2 - 固体酸化物燃料電池用の還元−酸化耐性電極 - Google Patents
固体酸化物燃料電池用の還元−酸化耐性電極 Download PDFInfo
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Description
本出願は、2008年12月19日に出願された米国仮特許出願第61/203,185号明細書の利益を主張する。
一実施形態においては、本発明は、大きく細長い形状のセラミック粉末をより微細なセラミック粉末と組み合わせて使用することによって、大きく改善された還元−酸化耐性アノード微細構造を形成することが可能となる方法に関する。
本発明の例示的な実施形態を参照しながら本発明を詳細に示し説明してきたが、添付の特許請求の範囲に含まれる本発明の範囲から逸脱せずに、それらの形態および詳細について種々の変更を行うことができることは、当業者には理解されるであろう。
Claims (18)
- 固体酸化物燃料電池のアノードの形成方法であって:
a)イットリア安定化ジルコニア(YSZ)粉末を、NiO/YSZまたはNiOの粉末と混合するステップであって、前記YSZ粉末の粒子は、15ミクロン〜60ミクロンの間の範囲内のメジアン粒度d50、および1.2〜3.0の間の範囲内のメジアン粒子アスペクト比AR50を有する溶融によって製造された細長い形状のYSZ粒子であり、前記NiO/YSZまたはNiOの粉末の粒子は、0.5ミクロン〜8ミクロンの間の範囲内のメジアン粒度d50を有するNiO/YSZまたはNiOの粒子であるステップと;
b)前記YSZ粉末と前記NiO/YSZまたはNiOの粉末との組み合わせを焼結してアノード部材を形成するステップであって、混合した粉末を焼結すると、前記溶融によって製造された細長い形状のYSZ粒子が開放気孔を有するかご状微細構造を形成し、前記NiO/YSZまたはNiOの粒子が、前記かご状微細構造の前記開放気孔の内部に分散するステップとを含む、方法。 - 前記溶融によって製造された細長い形状のYSZ粒子が、2.2〜2.6の間の範囲内のアスペクト比AR90を有する、請求項1に記載の方法。
- 前記溶融によって製造された細長い形状のYSZ粒子が、15ミクロン〜50ミクロンの間の範囲内のメジアン粒度d50、および1.2〜2.0の間の範囲内のメジアン粒子アスペクト比AR50を有する、請求項1に記載の方法。
- 前記NiO/YSZまたはNiOの粉末:前記YSZ粉末の重量比が1:4〜3:2の間の範囲内である、請求項1に記載の方法。
- 前記重量比が2:3である、請求項4に記載の方法。
- 固体酸化物燃料電池のカソードの形成方法であって:
a)イットリア安定化ジルコニア(YSZ)粉末を、ランタンストロンチウムマンガナイト(LSM)粉末と混合するステップであって、前記YSZ粉末の粒子は、15ミクロン〜60ミクロンの間の範囲内のメジアン粒度d50、および1.2〜3.0の間の範囲内のメジアン粒子アスペクト比AR50を有する溶融によって製造された細長い形状のYSZ粒子であり、前記LSM粉末の粒子は、0.5ミクロン〜8ミクロンの間の範囲内のメジアン粒度d50を有するLSM粒子であるステップと;
b)前記YSZ粉末と前記LSM粉末との組み合わせを焼結してカソード部材を形成するステップであって、混合した粉末を焼結すると、前記溶融によって製造された細長い形状のYSZ粒子が開放気孔を有するかご状微細構造を形成し、前記LSM粒子が、前記かご状微細構造の前記開放気孔の内部に分散するステップとを含む、方法。 - 前記溶融によって製造された細長い形状のYSZ粒子が、2.2〜2.6の間の範囲内のアスペクト比AR90を有する、請求項6に記載の方法。
- 前記溶融によって製造された細長い形状のYSZ粒子が、15ミクロン〜50ミクロンの間の範囲内のメジアン粒度d50、および1.2〜2.0の間の範囲内のメジアン粒子アスペクト比を有する、請求項6に記載の方法。
- 前記YSZ粉末:前記LSM粉末の重量比が1:4〜3:2の間の範囲内である、請求項6に記載の方法。
- 前記重量比が2:3である、請求項9に記載の方法。
- 固体酸化物燃料電池のカソードであって:
a)溶融によって製造された細長いYSZ粒子から形成された、開放気孔を有するかご状微細構造部材と;
b)前記かご状微細構造部材の前記開放気孔の内部に分散するランタンストロンチウムマンガナイト(LSM)部材とを含む、カソード。 - 前記LSM部材:前記かご状微細構造部材の体積比が、1:8〜1:1の間の範囲内である、請求項11に記載のカソード。
- 前記LSM部材が、前記カソード中の固体体積の27体積パーセントを占める、請求項11に記載のカソード。
- 固体酸化物燃料電池であって:
a)アノード層であって、
i)溶融によって製造された細長いYSZ粒子から形成された、開放気孔を有するかご状微細構造部材と;
ii)前記かご状微細構造部材の前記開放気孔の内部に分散するニッケル部材とを含む、アノード層と;
b)電解質層と;
c)カソード層であって、
i)溶融によって製造された細長いYSZ粒子から形成された、開放気孔を有するかご状微細構造部材と;
ii)前記かご状微細構造部材の前記開放気孔の内部に分散するランタンストロンチウムマンガナイト(LSM)部材とを含む、カソード層と、を含む、固体酸化物燃料電池。 - 前記ニッケル部材:前記かご状微細構造部材の体積比が、1:8〜1:1の間の範囲内である、請求項14に記載の固体酸化物燃料電池。
- 前記ニッケル部材が、前記アノード層中の固体体積の27体積パーセントを占める、請求項14に記載の固体酸化物燃料電池。
- 前記LSM部材:前記かご状微細構造部材の体積比が、1:8〜1:1の間の範囲内である、請求項14に記載の固体酸化物燃料電池。
- 前記LSM部材が、前記カソード層中の固体体積の27体積パーセントを占める、請求
項14に記載の固体酸化物燃料電池。
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US20318508P | 2008-12-19 | 2008-12-19 | |
US61/203,185 | 2008-12-19 | ||
PCT/US2009/068507 WO2010080507A2 (en) | 2008-12-19 | 2009-12-17 | Reduction-oxidation-tolerant electrodes for solid oxide fuel cells |
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US8617456B1 (en) | 2010-03-22 | 2013-12-31 | The United States Of America As Represented By The Secretary Of The Air Force | Bulk low-cost interface-defined laminated materials and their method of fabrication |
US9162931B1 (en) * | 2007-05-09 | 2015-10-20 | The United States Of America As Represented By The Secretary Of The Air Force | Tailored interfaces between two dissimilar nano-materials and method of manufacture |
US9120245B1 (en) | 2007-05-09 | 2015-09-01 | The United States Of America As Represented By The Secretary Of The Air Force | Methods for fabrication of parts from bulk low-cost interface-defined nanolaminated materials |
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GB2490869A (en) * | 2011-05-09 | 2012-11-21 | Univ Birmingham | Cathode ink |
JP5122013B1 (ja) * | 2011-09-12 | 2013-01-16 | 日本碍子株式会社 | 燃料電池セル |
KR20140088899A (ko) * | 2011-11-15 | 2014-07-11 | 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 | 고체 산화물 연료전지 상호접속 전지 |
US10319536B1 (en) * | 2012-11-19 | 2019-06-11 | Prakash Achrekar | High-capacity electrical energy storage device |
WO2014100040A1 (en) * | 2012-12-18 | 2014-06-26 | Saint-Gobain Ceramics & Plastics, Inc. | Powder mixture for layer in a solid oxide fuel cell |
EP2960977B1 (en) * | 2014-06-27 | 2019-12-18 | Haldor Topsøe A/S | Anode support creep |
JP7145844B2 (ja) * | 2017-03-31 | 2022-10-03 | 大阪瓦斯株式会社 | 電気化学素子、電気化学モジュール、固体酸化物形燃料電池、および製造方法 |
WO2019241738A1 (en) * | 2018-06-14 | 2019-12-19 | Saint-Gobain Ceramics & Plastics, Inc. | Cathode layer and electrochemical device including the same |
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JP7416285B2 (ja) | 2020-12-24 | 2024-01-17 | 株式会社村田製作所 | 固体酸化物形燃料電池用電解質シート、固体酸化物形燃料電池用電解質シートの製造方法、及び、固体酸化物形燃料電池用単セル |
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DE10031102C2 (de) * | 2000-06-30 | 2003-03-06 | Forschungszentrum Juelich Gmbh | Verfahren zur Herstellung eines Verbundkörpers, insbesondere einer Elektrode mit temperaturbeständiger Leitfähigkeit |
CA2450679C (en) * | 2001-06-29 | 2010-08-31 | Nextech Materials, Ltd. | Nano-composite electrodes and method of making the same |
WO2003075383A2 (en) * | 2002-02-28 | 2003-09-12 | Us Nanocorp, Inc. | Solid oxide fuel cell components and method of manufacture thereof |
JP2005005025A (ja) * | 2003-06-10 | 2005-01-06 | Nissan Motor Co Ltd | 燃料電池用電極、これを用いた固体酸化物形燃料電池及びその製造方法 |
KR100648144B1 (ko) * | 2005-09-15 | 2006-11-24 | 한국과학기술연구원 | 고성능 연료극지지형 고체산화물 연료전지 |
JP2006040822A (ja) * | 2004-07-29 | 2006-02-09 | Central Res Inst Of Electric Power Ind | 多孔質混合伝導体およびその製造方法および固体酸化物形燃料電池の空気極材料 |
US7833469B2 (en) * | 2004-12-15 | 2010-11-16 | Coorstek, Inc. | Preparation of yttria-stabilized zirconia reaction sintered products |
CA2647414C (en) * | 2006-04-05 | 2012-10-30 | Saint-Gobain Ceramics & Plastics, Inc. | A sofc stack having a high temperature bonded ceramic interconnect and method for making same |
FR2921204B1 (fr) | 2007-09-14 | 2009-12-04 | Saint Gobain Ct Recherches | Poudre a grains allonges |
CN101162779A (zh) * | 2007-10-26 | 2008-04-16 | 华南理工大学 | 管式固体氧化物燃料电池的阳极支撑体制备方法 |
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2009
- 2009-12-17 WO PCT/US2009/068507 patent/WO2010080507A2/en active Application Filing
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- 2009-12-17 EP EP09837922.5A patent/EP2377192B1/en not_active Not-in-force
- 2009-12-17 US US12/640,921 patent/US8455153B2/en not_active Expired - Fee Related
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CN102292858B (zh) | 2014-11-12 |
EP2377192B1 (en) | 2018-02-07 |
US8455153B2 (en) | 2013-06-04 |
KR101297070B1 (ko) | 2013-08-20 |
KR20110104049A (ko) | 2011-09-21 |
US20100159356A1 (en) | 2010-06-24 |
CN102292858A (zh) | 2011-12-21 |
JP2012513096A (ja) | 2012-06-07 |
WO2010080507A3 (en) | 2010-09-10 |
WO2010080507A2 (en) | 2010-07-15 |
EP2377192A4 (en) | 2012-08-08 |
EP2377192A2 (en) | 2011-10-19 |
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