JP2015502014A - ジルコニア系電解質に耐食性を付与する多層コーティング - Google Patents
ジルコニア系電解質に耐食性を付与する多層コーティング Download PDFInfo
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Abstract
Description
Claims (30)
- 固体酸化物形燃料電池(SOFC)積層体であって、
複数のSOFCと、
複数の相互接続部であって、各相互接続部が2個の隣接SOFC間に位置し、前記相互接続部の空気側にMnまたはCo含有導電性金属酸化物層を含む複数の相互接続部と、
前記導電性金属酸化物層と隣接SOFCの間に位置し、前記導電性金属酸化物層から前記隣接SOFCへのMnまたはCo拡散を防止するように構成される障壁層と、
を備えるSOFC積層体。 - 請求項1記載のSOFC積層体において、
前記SOFC積層体が、各相互接続部と各隣接SOFCのカソード電極の間に位置するシリカ系ガラスまたはガラスセラミック封止部をさらに備えるSOFC積層体。 - 請求項2記載のSOFC積層体において、
前記障壁層が、前記導電性金属酸化物層と前記封止部の間の相互接続部上に位置するSOFC積層体。 - 請求項2記載のSOFC積層体において、
前記障壁層が、前記封止部と前記隣接SOFCの間のSOFC電解質のカソード側に位置するSOFC積層体。 - 請求項2記載のSOFC積層体において、
前記SOFC積層体が、前記導電性金属酸化物層と前記封止部の間に位置する第1の障壁層、および前記封止部と前記隣接SOFCの電解質のカソード側の間に位置する第2の障壁層を備えるSOFC積層体。 - 請求項1記載のSOFC積層体において、
前記障壁層が、クレイ、セラミック、アルカリ土類ケイ酸塩またはガラスセラミックのうちの少なくとも1種類を含むSOFC積層体。 - 請求項6記載のSOFC積層体において、
前記障壁層が、Al2 O3 、ZrO2 、ZrSiO4 、ケイ酸(Ca、Ba、Mg)、長石またはその組み合わせを含むSOFC積層体。 - 請求項1記載のSOFC積層体において、
前記導電性金属酸化物層が、ペロブスカイト層またはスピネル層を含むSOFC積層体。 - 請求項8記載のSOFC積層体において、
前記導電性金属酸化物層が、ランタンストロンチウムマンガナイト(LSM)、ランタンストロンチウムコバルタイト、ランタンストロンチウムマンガナイト−コバルタイトまたはMnx Co3-x O4 スピネル(xは1と2の間である)を含むSOFC積層体。 - 請求項1記載のSOFC積層体において、
前記SOFC積層体が、燃料用内部多岐管を備え、
前記多岐管が、前記相互接続部および前記SOFCに燃料上昇部開口を含み、
前記SOFC積層体が、前記燃料上昇部開口周囲に環状封止部を備え、
前記障壁層が、前記封止部と、前記金属酸化物層と前記電解質の少なくとも一方との間の燃料上昇部開口周囲に位置するが、前記SOFCのカソード電極上には位置しないSOFC積層体。 - 請求項1記載のSOFC積層体において、
前記SOFCがジルコニア系電解質を含み、前記導電性金属酸化物層がLSMを含むSOFC積層体。 - 固体酸化物形燃料電池(SOFC)用平面状相互接続部であって、
燃料入口上昇部開口と、
燃料出口上昇部開口と、
前記相互接続部の空気側の複数の第1の流路と、
前記相互接続部の燃料側の複数の第2の流路と、
前記相互接続部の空気側を覆う導電性金属酸化物層と、
前記燃料入口上昇部開口および前記燃料出口上昇部開口に隣接する領域中の前記導電性金属酸化物層上の障壁層と、
を備える平面状相互接続部。 - 請求項12記載の平面状相互接続部において、
前記導電性金属酸化物層がMnまたはCoを含み、前記障壁層が前記導電性金属酸化物層からSOFC積層体中の隣接SOFCへのMnまたはCo拡散を防止するように構成される平面状相互接続部。 - 請求項13記載の平面状相互接続部において、
前記障壁層が、クレイ、セラミック、アルカリ土類ケイ酸塩またはガラスセラミックのうちの少なくとも1種類を含む平面状相互接続部。 - 請求項14記載の平面状相互接続部において、
前記障壁層が、Al2 O3 、ZrO2 、ZrSiO4 、ケイ酸(Ca、Ba、Mg)、長石またはその組み合わせを含む平面状相互接続部。 - 請求項12記載の平面状相互接続部において、
前記障壁層が、前記燃料入口および前記燃料出口上昇部開口周囲の環として形成される平面状相互接続部。 - 請求項16記載の平面状相互接続部において、
前記障壁層が、複数の第1の流路の上に位置しない平面状相互接続部。 - 請求項12記載の平面状相互接続部において、
前記導電性金属酸化物層が、ペロブスカイト層またはスピネル層を含む平面状相互接続部。 - 請求項18記載の平面状相互接続部において、
前記導電性金属酸化物層が、ランタンストロンチウムマンガナイト(LSM)、ランタンストロンチウムコバルタイト、ランタンストロンチウムマンガナイト−コバルタイトまたはMnx Co3-x O4 スピネル(xは1と2の間である)を含む平面状相互接続部。 - 固体酸化物形燃料電池(SOFC)積層体を製造する方法であって、
複数のSOFCを用意するステップと、
相互接続部の空気側に導電性金属酸化物層を各々含む複数の導電性相互接続部を用意するステップと、
複数の導電性相互接続部の各々と前記積層体中の隣接SOFCの間に封止部を設けるステップと、を含み、
障壁層が、前記導電性金属酸化物層と前記隣接SOFCの間に位置し、前記金属酸化物層から前記隣接SOFCへのMnまたはCo拡散を防止するように構成される方法。 - 請求項20記載の方法において、
前記障壁層が、前記導電性金属酸化物層上に堆積している方法。 - 請求項21記載の方法において、
第2の障壁層をSOFCの電解質上に堆積させるステップをさらに含む方法。 - 請求項20記載の方法において、
前記障壁層が、SOFCの電解質上に堆積している方法。 - 請求項20記載の方法において、
前記導電性金属酸化物層がMnまたはCoを含み、前記障壁層が前記導電性金属酸化物層から前記SOFC積層体中の隣接SOFCへのMnまたはCo拡散を防止するように構成される方法。 - 請求項24記載の方法において、
前記障壁層が、クレイ、セラミック、アルカリ土類ケイ酸塩またはガラスセラミックのうちの少なくとも1種類を含む方法。 - 請求項25記載の方法において、
前記障壁層が、Al2 O3 、ZrO2 、ZrSiO4 、ケイ酸(Ca、Ba、Mg)、長石またはその組み合わせを含む方法。 - 請求項21記載の方法において、
前記障壁層を900℃を超える温度で焼結させるステップをさらに含む方法。 - 請求項20記載の方法において、
前記導電性金属酸化物層が、ペロブスカイト層またはスピネル層を含む方法。 - 請求項28記載の方法において、
前記導電性金属酸化物層が、ランタンストロンチウムマンガナイト(LSM)、ランタンストロンチウムコバルタイト、ランタンストロンチウムマンガナイト−コバルタイトまたはMnx Co3-x O4 スピネル(xは1と2の間である)を含む方法。 - 固体酸化物形燃料電池(SOFC)用相互接続部であって、
前記相互接続部の空気側の複数の第1の流路と、
前記相互接続部の燃料側の複数の第2の流路と、
前記相互接続部の空気側または燃料側の少なくとも一部の上に位置する不動態化または保護障壁層と、を備え、
前記障壁層が、クレイ、ペロブスカイトもしくはスピネル以外のセラミック、アルカリ土類ケイ酸塩またはガラスセラミックのうちの少なくとも1種類を含む相互接続部。
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| US201161560893P | 2011-11-17 | 2011-11-17 | |
| US61/560,893 | 2011-11-17 | ||
| PCT/US2012/065213 WO2013074746A1 (en) | 2011-11-17 | 2012-11-15 | Multi-layered coating providing corrosion resistance to zirconia based electrolytes |
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| JP2015502014A5 JP2015502014A5 (ja) | 2015-11-26 |
| JP6214546B2 JP6214546B2 (ja) | 2017-10-18 |
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| US12212023B2 (en) | 2019-11-29 | 2025-01-28 | Kyocera Corporation | Cell stack device, module, module housing device, and metal member |
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| TWI549348B (zh) | 2011-11-18 | 2016-09-11 | 博隆能源股份有限公司 | 燃料電池之互連體及製造方法 |
| US9847520B1 (en) | 2012-07-19 | 2017-12-19 | Bloom Energy Corporation | Thermal processing of interconnects |
| WO2014036058A1 (en) | 2012-08-29 | 2014-03-06 | Bloom Energy Corporation | Interconnect for fuel cell stack |
| US9478812B1 (en) | 2012-10-17 | 2016-10-25 | Bloom Energy Corporation | Interconnect for fuel cell stack |
| CN104769762A (zh) | 2012-11-06 | 2015-07-08 | 博隆能源股份有限公司 | 用于燃料电池堆叠的经改进互连件及端板设计 |
| US9583771B2 (en) | 2013-05-16 | 2017-02-28 | Bloom Energy Coporation | Corrosion resistant barrier layer for a solid oxide fuel cell stack and method of making thereof |
| US10079393B1 (en) | 2014-01-09 | 2018-09-18 | Bloom Energy Corporation | Method of fabricating an interconnect for a fuel cell stack |
| US9993874B2 (en) | 2014-02-25 | 2018-06-12 | Bloom Energy Corporation | Composition and processing of metallic interconnects for SOFC stacks |
| CN105080294B (zh) * | 2015-07-15 | 2018-05-08 | 天津包钢稀土研究院有限责任公司 | 稀土陶瓷膜及其制备方法、稀土陶瓷膜电化学制氧结构 |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20140377680A1 (en) | 2014-12-25 |
| TW201322530A (zh) | 2013-06-01 |
| JP6214546B2 (ja) | 2017-10-18 |
| US10784521B2 (en) | 2020-09-22 |
| US8852825B2 (en) | 2014-10-07 |
| CN103959531A (zh) | 2014-07-30 |
| US20130130146A1 (en) | 2013-05-23 |
| CA2855135A1 (en) | 2013-05-23 |
| TWI552417B (zh) | 2016-10-01 |
| WO2013074746A1 (en) | 2013-05-23 |
| EP2780967A4 (en) | 2015-07-01 |
| EP2780967B1 (en) | 2017-05-10 |
| EP2780967A1 (en) | 2014-09-24 |
| CN103959531B (zh) | 2016-12-07 |
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