JP5350218B2 - 高温結合されたセミラック相互接続を具備するsofc積層体及びその製造方法 - Google Patents
高温結合されたセミラック相互接続を具備するsofc積層体及びその製造方法 Download PDFInfo
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- JP5350218B2 JP5350218B2 JP2009504452A JP2009504452A JP5350218B2 JP 5350218 B2 JP5350218 B2 JP 5350218B2 JP 2009504452 A JP2009504452 A JP 2009504452A JP 2009504452 A JP2009504452 A JP 2009504452A JP 5350218 B2 JP5350218 B2 JP 5350218B2
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- H01M2008/1293—Fuel cells with solid oxide electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M8/124—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
- H01M8/1246—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
- H01M8/1253—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing zirconium oxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Description
Claims (14)
- カソード層、前記カソード層上に位置する電解質層、及び前記電解質層上に位置するアノード層を具備する第1セルと、
カソード層、前記カソード層上に位置する電解質層、及び前記電解質層上に位置するアノードを具備する第2セルと、
均一な厚さを具備し、且つ、前記第1セルと前記第2セルの間に配設されたセラミック相互接続層であって、前記第1セルと前記セラミック相互接続層の間の界面領域に沿って第1高温結合領域を、前記第2セルと前記セラミック相互接続層の間の界面領域に沿って第2高温結合領域を具備するセラミック相互接続層と、を有し、
前記第1及び第2高温結合領域は、前記セラミック相互接続層と前記第1セルの間の拡散結合と、前記セラミック相互接続層と前記第2セルの間の拡散結合を含むものであり、
前記セラミック相互接続層は、100ミクロン以下の厚さを具備し、そして、
前記セラミック相互接続層は、5.0容積%以下の気孔率を具備する一体化されたSOFC積層体。 - 前記セラミック相互接続層は、クロムを含む請求項1記載のSOFC積層体。
- 前記セラミック相互接続層は、LaSrCrO3を含む請求項1記載のSOFC積層体。
- 前記第1高温結合領域及び第2高温結合領域は、前記セラミック相互接続層の材料及び前記第1及び第2セルそれぞれの前記セラミック相互接続層に隣接する層からの材料を含む請求項1記載のSOFC積層体。
- 一体化されたSOFC積層体を形成する方法において、
第1セル構造を形成する段階であって、前記第1セル構造は、第1電極層、前記第1電極層上に位置する電解質層、及び前記電解質層上に位置する第2電極層を具備する、段階と、
前記第1セル構造上に位置するセラミック相互接続層を形成する段階と、
第2セル構造を形成する段階であって、前記第2セル構造は、第1電極層、前記第1電極層上に位置する電解質層、及び前記電解質層上に位置する第2電極層を具備する、段階と、
前記第1セル構造、前記相互接続層、及び前記第2セル構造を共にホットプレスすることにより、前記第1セル構造、前記相互接続層、及び前記第2セル構造を一体に結合して、前記第1セル構造及び前記第2セル構造の間に配設された均一な厚さのセラミック相互接続層を具備する一体化されたSOFCセル積層体を形成する段階と、を有し、
前記第1及び第2高温結合領域は、前記セラミック相互接続層と前記第1セルの間の拡散結合と、前記セラミック相互接続層と前記第2セルの間の拡散結合を含むものであり、
前記セラミック相互接続層は、100ミクロン以下の厚さを具備し、そして、
前記セラミック相互接続層は、5.0容積%以下の気孔率を具備する、前記一体化されたSOFC積層体の形成方法。 - 前記ホットプレスする段階は、前記第1セル構造、前記相互接続層、及び前記第2セル構造を共にプレスすることにより、1つの熱サイクルにおいて、一体に結合された構造を形成する段階を含む請求項5記載の方法。
- 前記ホットプレスする段階は、少なくとも0.5MPa以上の圧力において実施される請求項5記載の方法。
- 前記ホットプレスする段階は、0.5MPa〜10MPaの範囲の圧力において実施される請求項7記載の方法。
- 前記ホットプレスする段階は、少なくとも1,050℃以上で、且つ、1,800℃以下の温度において実施される請求項5記載の方法。
- 前記セラミック相互接続層は、前記第1セル構造及び前記第2セル構造が電気的に接続されている請求項5記載の方法。
- 前記ホットプレスする段階は、前記セラミック相互接続層と前記第1セル構造内の隣接する電極層の間に第1高温結合領域を、そして、前記セラミック相互接続層と前記第2セル構造内の隣接する電極層の間に第2高温結合領域を形成する段階を含む請求項5記載の方法。
- 一体化されたSOFCコンポーネントを形成する方法において、
第1グリーン電極層、前記第1グリーン電極層上に位置するグリーン電解質層、及び前記グリーン電解質層上に位置する第2グリーン電極層を具備する第1グリーンセル構造を形成する段階と、
第1グリーン電極層、前記第1グリーン電極層上に位置するグリーン電解質層、及び前記グリーン電解質層上に位置する第2グリーン電極層を具備する第2グリーンセル構造を形成する段階と、
前記第1グリーンセル構造と前記第2グリーンセル構造の間に配設されたグリーンセラミック相互接続層を形成する段階と、
前記第1グリーンセル構造、前記グリーンセラミック相互接続層、及び前記第2グリーンセル構造を1つの熱サイクルにおいて共にホットプレスすることにより、前記第1グリーンセル構造、前記グリーンセラミック相互接続層、及び前記第2グリーンセル構造を一体に結合して、一体化された高密度SOFCセル積層体を形成する段階と、を有し、
前記ホットプレスは、100ミクロン以下の厚さと5.0容積%以下の気孔率を具備する緻密なセラミック相互接続層を形成する段階を含み、
前記ホットプレスは、前記セラミック相互接続層と前記第1セルの間の拡散結合とを含む第1の高温結合領域と、前記セラミック相互接続層と前記第2セルの間の拡散結合を含む第2の高温結合領域との形成段階を含む、
一体化されたSOFCコンポーネントを形成する前記方法。 - 前記ホットプレスする段階は、1,050℃以上の温度において実施される請求項12記載の方法。
- 前記ホットプレスする段階は、第1焼結セル構造と第2焼結セル構造の間に配設された均一な厚さを具備する高密度セラミック相互接続層を形成する段階を含む請求項12記載の方法。
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PCT/US2007/065984 WO2007118127A2 (en) | 2006-04-05 | 2007-04-04 | A sofc stack having a high temperature bonded ceramic interconnect and method for making same |
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WO2007118127A3 (en) | 2007-12-06 |
KR101204337B1 (ko) | 2012-11-26 |
CA2647414A1 (en) | 2007-10-18 |
JP2009532849A (ja) | 2009-09-10 |
EP2013936A2 (en) | 2009-01-14 |
CN101443947B (zh) | 2014-09-17 |
CA2785959A1 (en) | 2007-10-18 |
US20070237999A1 (en) | 2007-10-11 |
KR20090017474A (ko) | 2009-02-18 |
AU2007234833B2 (en) | 2010-03-25 |
CA2647414C (en) | 2012-10-30 |
BRPI0710529A2 (pt) | 2011-08-16 |
US8771901B2 (en) | 2014-07-08 |
WO2007118127A2 (en) | 2007-10-18 |
AU2007234833A1 (en) | 2007-10-18 |
CA2785959C (en) | 2013-10-29 |
CN101443947A (zh) | 2009-05-27 |
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