WO2004070858A3 - Compliant, strain tolerant interconnects for solid oxide fuel cell stack - Google Patents
Compliant, strain tolerant interconnects for solid oxide fuel cell stack Download PDFInfo
- Publication number
- WO2004070858A3 WO2004070858A3 PCT/US2004/002865 US2004002865W WO2004070858A3 WO 2004070858 A3 WO2004070858 A3 WO 2004070858A3 US 2004002865 W US2004002865 W US 2004002865W WO 2004070858 A3 WO2004070858 A3 WO 2004070858A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compliant
- fuel cell
- solid oxide
- oxide fuel
- cell stack
- Prior art date
Links
Classifications
-
- 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
- H01M8/02—Details
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0232—Metals or alloys
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
- H01M8/0254—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form corrugated or undulated
-
- 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
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
- H01M8/2425—High-temperature cells with solid electrolytes
- H01M8/2432—Grouping of unit cells of planar configuration
-
- 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
- H01M2008/1293—Fuel cells with solid oxide electrolytes
-
- 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
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04707406A EP1595304A4 (en) | 2003-01-31 | 2004-02-02 | Compliant, strain tolerant interconnects for solid oxide fuel cell stack |
JP2006503238A JP2007524956A (en) | 2003-01-31 | 2004-02-02 | Flexible strain resistant interconnects for solid oxide fuel cell stacks |
CA002514488A CA2514488A1 (en) | 2003-01-31 | 2004-02-02 | Compliant, strain tolerant interconnects for solid oxide fuel cell stack |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US44402503P | 2003-01-31 | 2003-01-31 | |
US60/444,025 | 2003-01-31 | ||
US45489903P | 2003-03-14 | 2003-03-14 | |
US60/454,899 | 2003-03-14 | ||
US10/758,843 US20040200187A1 (en) | 2002-11-27 | 2004-01-16 | Compliant, strain tolerant interconnects for solid oxide fuel cell stack |
US10/758,843 | 2004-01-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2004070858A2 WO2004070858A2 (en) | 2004-08-19 |
WO2004070858A3 true WO2004070858A3 (en) | 2004-10-07 |
WO2004070858A9 WO2004070858A9 (en) | 2004-11-18 |
Family
ID=32854298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/002865 WO2004070858A2 (en) | 2003-01-31 | 2004-02-02 | Compliant, strain tolerant interconnects for solid oxide fuel cell stack |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040200187A1 (en) |
EP (1) | EP1595304A4 (en) |
JP (1) | JP2007524956A (en) |
KR (1) | KR20050096960A (en) |
CA (1) | CA2514488A1 (en) |
WO (1) | WO2004070858A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8287673B2 (en) | 2004-11-30 | 2012-10-16 | The Regents Of The University Of California | Joining of dissimilar materials |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8158057B2 (en) | 2005-06-15 | 2012-04-17 | Ati Properties, Inc. | Interconnects for solid oxide fuel cells and ferritic stainless steels adapted for use with solid oxide fuel cells |
US7981561B2 (en) | 2005-06-15 | 2011-07-19 | Ati Properties, Inc. | Interconnects for solid oxide fuel cells and ferritic stainless steels adapted for use with solid oxide fuel cells |
US7977004B2 (en) * | 2003-01-31 | 2011-07-12 | Utc Fuel Cells, Llc. | Compliant seals for solid oxide fuel cell stack |
CN100420082C (en) | 2003-09-29 | 2008-09-17 | Utc燃料电池有限责任公司 | Compliant stack for a planar solid oxide fuel cell |
US20050136312A1 (en) * | 2003-12-22 | 2005-06-23 | General Electric Company | Compliant fuel cell system |
JP2005209470A (en) * | 2004-01-22 | 2005-08-04 | Equos Research Co Ltd | Fuel cell |
JP4218569B2 (en) * | 2004-03-30 | 2009-02-04 | 株式会社エクォス・リサーチ | Separator and fuel cell using the same |
US7803493B2 (en) * | 2004-09-29 | 2010-09-28 | General Electric Company | Fuel cell system with separating structure bonded to electrolyte |
DE102004047761A1 (en) * | 2004-09-30 | 2006-04-27 | Siemens Ag | High-temperature fuel cell system and method for the production of contacting elements for such a fuel cell system |
CA2627863A1 (en) * | 2004-11-30 | 2006-11-30 | The Regents Of The University Of California | Sealed joint structure for electrochemical device |
JP4887639B2 (en) * | 2005-03-11 | 2012-02-29 | 株式会社エクォス・リサーチ | Separator unit and fuel cell stack |
JP4992188B2 (en) * | 2005-03-11 | 2012-08-08 | 株式会社エクォス・リサーチ | Separator unit and fuel cell stack |
WO2007038132A1 (en) * | 2005-09-21 | 2007-04-05 | Jones Eric T | Fuel cell device |
WO2008133607A2 (en) * | 2006-04-03 | 2008-11-06 | Bloom Energy Corporation | Fuel cell stack components and materials |
US7951509B2 (en) * | 2006-04-03 | 2011-05-31 | Bloom Energy Corporation | Compliant cathode contact materials |
US8343686B2 (en) | 2006-07-28 | 2013-01-01 | The Regents Of The University Of California | Joined concentric tubes |
US8124293B2 (en) * | 2006-12-27 | 2012-02-28 | Utc Power Corporation | Asymmetric dovetail interconnect for solid oxide fuel cell |
US20100129731A1 (en) * | 2006-12-28 | 2010-05-27 | Utc Power Corporation | Multi-wire, long-life interconnects for fuel cell stacks |
DE102007016905A1 (en) * | 2007-04-02 | 2008-10-09 | Staxera Gmbh | Interconnector arrangement and method for producing a contact arrangement for a fuel cell stack |
US20090142639A1 (en) * | 2007-11-29 | 2009-06-04 | Steven Joseph Gregorski | Seal system for solid oxide fuel cell and method of making |
US8486580B2 (en) | 2008-04-18 | 2013-07-16 | The Regents Of The University Of California | Integrated seal for high-temperature electrochemical device |
DE112008004117T5 (en) * | 2008-11-21 | 2012-09-13 | Utc Power Corp. | Solid oxide solid state fuel cell having a nickel base alloy |
US8835074B2 (en) | 2009-01-22 | 2014-09-16 | Ballard Power Systems Inc. | Solid oxide fuel cell having metal support with a compliant porous nickel layer |
TWI479730B (en) * | 2009-03-20 | 2015-04-01 | Bloom Energy Corp | Crack free sofc electrolyte |
US9843053B2 (en) | 2010-09-09 | 2017-12-12 | Audi Ag | Fuel cell coating |
TWI552417B (en) | 2011-11-17 | 2016-10-01 | 博隆能源股份有限公司 | Multi-layered coating providing corrosion resistance to zirconia based electrolytes |
US8962219B2 (en) | 2011-11-18 | 2015-02-24 | Bloom Energy Corporation | Fuel cell interconnects and methods of fabrication |
US9452475B2 (en) | 2012-03-01 | 2016-09-27 | Bloom Energy Corporation | Coatings for SOFC metallic interconnects |
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 |
FR2996065B1 (en) | 2012-09-26 | 2017-02-24 | Commissariat Energie Atomique | COMPONENT COMPRISING AN EHT ELECTROLYSER INTERCONNECTOR OR SOFC FUEL CELL AND METHODS OF MAKING SAME |
US9478812B1 (en) | 2012-10-17 | 2016-10-25 | Bloom Energy Corporation | Interconnect for fuel cell stack |
US9673457B2 (en) | 2012-11-06 | 2017-06-06 | Bloom Energy Corporation | Interconnect and end plate design for fuel cell stack |
TWI621302B (en) | 2013-05-16 | 2018-04-11 | 博隆能源股份有限公司 | Corrosion resistant barrier layer for a solid oxide fuel cell stack and method of making thereof |
EP3053211A4 (en) | 2013-10-01 | 2017-07-05 | Bloom Energy Corporation | Pre-formed powder delivery to powder press machine |
TWI632728B (en) | 2013-11-27 | 2018-08-11 | 博隆能源股份有限公司 | Fuel cell interconnect with reduced voltage degradation over time and associated method |
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 |
US9923211B2 (en) | 2014-04-24 | 2018-03-20 | Bloom Energy Corporation | Fuel cell interconnect with reduced voltage degradation over time |
CA2987226C (en) * | 2015-05-25 | 2019-07-02 | Nissan Motor Co., Ltd. | Solid oxide fuel cell |
US10763533B1 (en) | 2017-03-30 | 2020-09-01 | Bloom Energy Corporation | Solid oxide fuel cell interconnect having a magnesium containing corrosion barrier layer and method of making thereof |
DE102017210664A1 (en) * | 2017-06-23 | 2018-12-27 | Robert Bosch Gmbh | fuel cell |
CN110010379A (en) * | 2019-05-10 | 2019-07-12 | 东莞市爱德光设计有限公司 | Alminium electrolytic condenser sub-prime assembly method based on carrier application |
US11322473B2 (en) | 2019-09-12 | 2022-05-03 | International Business Machines Corporation | Interconnect and tuning thereof |
US11561243B2 (en) | 2019-09-12 | 2023-01-24 | International Business Machines Corporation | Compliant organic substrate assembly for rigid probes |
DE102020211640A1 (en) * | 2020-09-17 | 2022-03-17 | Robert Bosch Gesellschaft mit beschränkter Haftung | Fuel cell for a fuel cell device, fuel cell device and method for producing a fuel cell |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4389467A (en) * | 1979-12-27 | 1983-06-21 | The United States Of America As Represented By The United States Department Of Energy | Porous electrolyte retainer for molten carbonate fuel cell |
US5064734A (en) * | 1989-10-27 | 1991-11-12 | Asea Brown Boveri Ltd. | Current-transmitting components for stacked high-temperature fuel cells and method of producing them |
DE19517443A1 (en) * | 1995-05-12 | 1996-11-14 | Mtu Friedrichshafen Gmbh | Corrosion-resistant current collector with mfg. method |
WO1999013522A1 (en) * | 1997-09-05 | 1999-03-18 | Ceramic Fuel Cells Limited | Electrical conductivity in a fuel cell assembly |
US6296962B1 (en) * | 1999-02-23 | 2001-10-02 | Alliedsignal Inc. | Design for solid oxide fuel cell stacks |
US6379831B1 (en) * | 2000-08-02 | 2002-04-30 | Siemens Westinghouse Power Corporation | Expanded nickel screen electrical connection supports for solid oxide fuel cells |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4404267A (en) * | 1982-04-26 | 1983-09-13 | General Electric Company | Anode composite for molten carbonate fuel cell |
US4629537A (en) * | 1985-05-17 | 1986-12-16 | Hsu Michael S | Compact, light-weight, solid-oxide electrochemical converter |
EP0378812A1 (en) * | 1989-01-18 | 1990-07-25 | Asea Brown Boveri Ag | Arrangement of fuel cells based on a solid electrolyte operating at a high temperature, consisting of zirconium oxide, to obtain maximum possible power |
EP0410159A1 (en) * | 1989-07-24 | 1991-01-30 | Asea Brown Boveri Ag | Current collector for high temperature fuel cell |
EP0432381A1 (en) * | 1989-10-12 | 1991-06-19 | Asea Brown Boveri Ag | Arrangement of elements for the conduction of current between ceramic high temperature fuel cells |
EP0446680A1 (en) * | 1990-03-15 | 1991-09-18 | Asea Brown Boveri Ag | Current collector for conducting current between neighbouring piled high temperature fuel cells |
US4997727A (en) * | 1990-05-14 | 1991-03-05 | Asea Brown Boveri Ag | Stack of flat, plane high-temperature fuel cells assembled into a stack |
US5069987A (en) * | 1990-07-06 | 1991-12-03 | Igr Enterprises, Inc. | Solid oxide fuel cell assembly |
US5273837A (en) * | 1992-12-23 | 1993-12-28 | Corning Incorporated | Solid electrolyte fuel cells |
EP0609697A1 (en) * | 1993-02-01 | 1994-08-10 | Osaka Gas Co., Ltd. | Fuel cell assembly and method of producing the same |
US5424144A (en) * | 1993-10-21 | 1995-06-13 | M-C Power Corporation | One piece separator plate with insert ring step design |
DE4410711C1 (en) * | 1994-03-28 | 1995-09-07 | Forschungszentrum Juelich Gmbh | Metallic bipolar plate for HT fuel cells and method of manufacturing the same |
US5496655A (en) * | 1994-10-12 | 1996-03-05 | Lockheed Idaho Technologies Company | Catalytic bipolar interconnection plate for use in a fuel cell |
US5549983A (en) * | 1996-01-22 | 1996-08-27 | Alliedsignal Inc. | Coflow planar fuel cell stack construction for solid electrolytes |
US5702837A (en) * | 1996-02-05 | 1997-12-30 | Alliedsignal Inc. | Bonding materials for anode to anode bonding and anode to interconnect bonding in solid oxide fuel cells |
AUPO724997A0 (en) * | 1997-06-10 | 1997-07-03 | Ceramic Fuel Cells Limited | A fuel cell assembly |
US6054231A (en) * | 1998-07-24 | 2000-04-25 | Gas Research Institute | Solid oxide fuel cell interconnector |
US6265095B1 (en) * | 1999-03-01 | 2001-07-24 | Sofco | Interconnect for solid oxide fuel cells |
JP2001068132A (en) * | 1999-08-25 | 2001-03-16 | Tokyo Gas Co Ltd | Current collecting plate and solid electrolyte fuel cell using same |
US6383677B1 (en) * | 1999-10-07 | 2002-05-07 | Allen Engineering Company, Inc. | Fuel cell current collector |
US6291089B1 (en) * | 1999-10-26 | 2001-09-18 | Alliedsignal Inc. | Radial planar fuel cell stack construction for solid electrolytes |
US6770395B2 (en) * | 2000-10-23 | 2004-08-03 | Materials And Systems Research, Inc. | Internally manifolded, planar solid oxide fuel cell (SOFC) stack with an inexpensive interconnect |
JP2003163016A (en) * | 2001-09-13 | 2003-06-06 | Ngk Insulators Ltd | Electrochemical equipment and conductive connector therefor |
US7122266B2 (en) * | 2001-09-13 | 2006-10-17 | Ngk Insulators, Ltd. | Holding member for holding an electrochemical cell, a holding substrate for the same, an electrochemical system and a connecting member for electrochemical cells |
US8048587B2 (en) * | 2002-11-27 | 2011-11-01 | Delphi Technologies, Inc. | Compliant current collector for fuel cell anode and cathode |
-
2004
- 2004-01-16 US US10/758,843 patent/US20040200187A1/en not_active Abandoned
- 2004-02-02 KR KR1020057013981A patent/KR20050096960A/en active IP Right Grant
- 2004-02-02 WO PCT/US2004/002865 patent/WO2004070858A2/en active Search and Examination
- 2004-02-02 CA CA002514488A patent/CA2514488A1/en not_active Abandoned
- 2004-02-02 JP JP2006503238A patent/JP2007524956A/en not_active Ceased
- 2004-02-02 EP EP04707406A patent/EP1595304A4/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4389467A (en) * | 1979-12-27 | 1983-06-21 | The United States Of America As Represented By The United States Department Of Energy | Porous electrolyte retainer for molten carbonate fuel cell |
US5064734A (en) * | 1989-10-27 | 1991-11-12 | Asea Brown Boveri Ltd. | Current-transmitting components for stacked high-temperature fuel cells and method of producing them |
DE19517443A1 (en) * | 1995-05-12 | 1996-11-14 | Mtu Friedrichshafen Gmbh | Corrosion-resistant current collector with mfg. method |
WO1999013522A1 (en) * | 1997-09-05 | 1999-03-18 | Ceramic Fuel Cells Limited | Electrical conductivity in a fuel cell assembly |
US6296962B1 (en) * | 1999-02-23 | 2001-10-02 | Alliedsignal Inc. | Design for solid oxide fuel cell stacks |
US6379831B1 (en) * | 2000-08-02 | 2002-04-30 | Siemens Westinghouse Power Corporation | Expanded nickel screen electrical connection supports for solid oxide fuel cells |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8287673B2 (en) | 2004-11-30 | 2012-10-16 | The Regents Of The University Of California | Joining of dissimilar materials |
Also Published As
Publication number | Publication date |
---|---|
CA2514488A1 (en) | 2004-08-19 |
US20040200187A1 (en) | 2004-10-14 |
EP1595304A4 (en) | 2012-02-15 |
WO2004070858A2 (en) | 2004-08-19 |
EP1595304A2 (en) | 2005-11-16 |
KR20050096960A (en) | 2005-10-06 |
WO2004070858A9 (en) | 2004-11-18 |
JP2007524956A (en) | 2007-08-30 |
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