CA2348783A1 - Microstructured flow fields - Google Patents
Microstructured flow fields Download PDFInfo
- Publication number
- CA2348783A1 CA2348783A1 CA002348783A CA2348783A CA2348783A1 CA 2348783 A1 CA2348783 A1 CA 2348783A1 CA 002348783 A CA002348783 A CA 002348783A CA 2348783 A CA2348783 A CA 2348783A CA 2348783 A1 CA2348783 A1 CA 2348783A1
- Authority
- CA
- Canada
- Prior art keywords
- flow field
- less
- channels
- flow
- dcc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000000446 fuel Substances 0.000 claims abstract description 42
- 239000003054 catalyst Substances 0.000 description 42
- 239000010410 layer Substances 0.000 description 31
- 239000007789 gas Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 18
- 239000000376 reactant Substances 0.000 description 18
- 239000004642 Polyimide Substances 0.000 description 17
- 239000012528 membrane Substances 0.000 description 17
- 229920001721 polyimide Polymers 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000000758 substrate Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 238000009826 distribution Methods 0.000 description 11
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 10
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 229920000557 Nafion® Polymers 0.000 description 7
- 239000010408 film Substances 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 230000010287 polarization Effects 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 235000011187 glycerol Nutrition 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 239000011152 fibreglass Substances 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000034964 establishment of cell polarity Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WLLGXSLBOPFWQV-UHFFFAOYSA-N MGK 264 Chemical compound C1=CC2CC1C1C2C(=O)N(CC(CC)CCCC)C1=O WLLGXSLBOPFWQV-UHFFFAOYSA-N 0.000 description 1
- 241000549556 Nanos Species 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- ZZSIDSMUTXFKNS-UHFFFAOYSA-N perylene red Chemical compound CC(C)C1=CC=CC(C(C)C)=C1N(C(=O)C=1C2=C3C4=C(OC=5C=CC=CC=5)C=1)C(=O)C2=CC(OC=1C=CC=CC=1)=C3C(C(OC=1C=CC=CC=1)=CC1=C2C(C(N(C=3C(=CC=CC=3C(C)C)C(C)C)C1=O)=O)=C1)=C2C4=C1OC1=CC=CC=C1 ZZSIDSMUTXFKNS-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
-
- 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
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
- H01M8/026—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
- F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0082—Organic polymers
-
- 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
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Materials Engineering (AREA)
- Fuel Cell (AREA)
- Inert Electrodes (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10612498P | 1998-10-29 | 1998-10-29 | |
| US60/106,124 | 1998-10-29 | ||
| PCT/US1999/025401 WO2000026981A2 (en) | 1998-10-29 | 1999-10-29 | Microstructured flow fields |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2348783A1 true CA2348783A1 (en) | 2000-05-11 |
Family
ID=22309615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002348783A Abandoned CA2348783A1 (en) | 1998-10-29 | 1999-10-29 | Microstructured flow fields |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6555261B1 (enExample) |
| EP (1) | EP1145351A2 (enExample) |
| JP (1) | JP2002529892A (enExample) |
| KR (1) | KR20010104644A (enExample) |
| AU (1) | AU1600800A (enExample) |
| CA (1) | CA2348783A1 (enExample) |
| WO (1) | WO2000026981A2 (enExample) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19958405B4 (de) * | 1999-12-03 | 2006-08-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Elektrochemische Zelle |
| US7153409B2 (en) * | 1999-12-16 | 2006-12-26 | Proton Energy Systems, Inc. | Electrochemical cell system and method of operation |
| WO2001045192A1 (en) * | 1999-12-16 | 2001-06-21 | Proton Energy Systems, Inc. | Low gravity electrochemical cell |
| WO2001082399A1 (en) * | 2000-04-25 | 2001-11-01 | 3M Innovative Properties Company | Conductance enhancement microstructures for bipolar plates |
| DE60212001T2 (de) * | 2001-02-12 | 2006-12-07 | The Morgan Crucible Co. Plc., Windsor | Flüssigkeitsverteilungsplatte-geometrien |
| CA2437891A1 (en) * | 2001-02-12 | 2002-08-22 | The Morgan Crucible Company Plc | Flow field plate geometries |
| US6780536B2 (en) * | 2001-09-17 | 2004-08-24 | 3M Innovative Properties Company | Flow field |
| GB2387263B (en) * | 2002-03-20 | 2004-02-04 | Morgan Crucible Co | Flow field plate |
| GB2387264B (en) * | 2002-03-20 | 2004-08-04 | Morgan Crucible Co | Flow field pattern |
| TWI229931B (en) * | 2002-05-15 | 2005-03-21 | Amkor Technology Inc | Solder ball and conductive wire for a semiconductor package, and its manufacturing method, and its evaporation method |
| GB2387476B (en) * | 2002-06-24 | 2004-03-17 | Morgan Crucible Co | Flow field plate geometries |
| AU2003297386A1 (en) * | 2002-12-23 | 2004-07-22 | Anuvu, Inc., A California Corporation | Channel-less proton exchange membrane fuel cell |
| US7482088B2 (en) * | 2003-01-31 | 2009-01-27 | 3M Innovative Properties Company | Flow field |
| DE10315804B4 (de) * | 2003-03-31 | 2005-09-29 | Reinz-Dichtungs-Gmbh & Co. Kg | Bipolarplatte für Brennstoffzellen aus einer verformten Folie mit Herstellungsverfahren |
| US20040228211A1 (en) * | 2003-05-13 | 2004-11-18 | Koripella Chowdary R. | Internal micromixer |
| GB2403061B (en) * | 2003-06-18 | 2005-05-11 | Morgan Crucible Co | Flow field plate geometries |
| GB2413001A (en) * | 2004-04-02 | 2005-10-12 | Morgan Crucible Co | Flow field plate geometries |
| US7462415B2 (en) * | 2003-09-24 | 2008-12-09 | General Motors Corporation | Flow field plate arrangement for a fuel cell |
| US20050255364A1 (en) * | 2003-12-12 | 2005-11-17 | Cho Tae-Hee | Bipolar plate of fuel cell |
| PT103221B (pt) * | 2004-12-21 | 2007-02-28 | Sre Solucoes Racionais De En S | Pilha de combustível a hidrogénio com arejamento integrado e alimentação em fonte de pressão |
| US8535842B2 (en) * | 2005-04-22 | 2013-09-17 | GM Global Technology Operations LLC | Combustion-thawed fuel cell |
| US8173319B2 (en) * | 2005-12-23 | 2012-05-08 | Daimler Ag | Fuel cell water management system and method |
| JP2009522753A (ja) * | 2005-12-29 | 2009-06-11 | ユーティーシー パワー コーポレイション | 安定した燃料電池の流れ場 |
| DE102006002926A1 (de) * | 2006-01-20 | 2007-08-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Direktoxidationsbrennstoffzelle und Verfahren zu deren Betreiben |
| KR20090091700A (ko) * | 2006-10-06 | 2009-08-28 | 발라드 파워 시스템즈 인크. | 연료 전지 및 그것의 플로우 필드 플레이트 |
| DE102007007704A1 (de) * | 2007-02-12 | 2008-08-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Brennstoffzellenstack in Leichtbauweise |
| US20110014546A1 (en) * | 2007-07-27 | 2011-01-20 | University Of Wyoming | Nanoporous Silicate Membranes for Portable Fuel |
| US8889314B2 (en) * | 2009-01-13 | 2014-11-18 | GM Global Technology Operations LLC | Bipolar plate for a fuel cell stack |
| US9083008B2 (en) * | 2010-04-22 | 2015-07-14 | GM Global Technology Operations LLC | Formed plate assembly for PEM fuel cell |
| US9644277B2 (en) | 2012-08-14 | 2017-05-09 | Loop Energy Inc. | Reactant flow channels for electrolyzer applications |
| CA2919875C (en) | 2012-08-14 | 2021-08-17 | Powerdisc Development Corporation Ltd. | Fuel cell flow channels and flow fields |
| GB2528744B (en) * | 2012-10-10 | 2021-07-07 | Loop Energy Inc | Reactant flow channels for electrolyzer applications |
| EP3433894B1 (en) | 2016-03-22 | 2024-05-08 | Loop Energy Inc. | Fuel cell flow field design for thermal management |
| WO2020113172A1 (en) * | 2018-11-29 | 2020-06-04 | Utility Global, Inc. | Method of making an interconnect |
| US12355114B2 (en) * | 2020-10-30 | 2025-07-08 | Toyota Motor Engineering & Manufacturing North America, Inc. | Permeable support layer for fuel cell fluid flow networks |
| US12199320B2 (en) * | 2020-10-30 | 2025-01-14 | Toyota Motor Engineering And Manufacturing North America, Inc. | Support members for fuel cell fluid flow networks |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2125159B1 (enExample) | 1971-02-15 | 1973-11-30 | Alsthom Cgee | |
| JPH0646573B2 (ja) | 1985-10-11 | 1994-06-15 | 石川島播磨重工業株式会社 | 燃料電池 |
| US4855193A (en) | 1986-06-20 | 1989-08-08 | United Technologies Corporation | Bipolar fuel cell |
| US4812352A (en) | 1986-08-25 | 1989-03-14 | Minnesota Mining And Manufacturing Company | Article having surface layer of uniformly oriented, crystalline, organic microstructures |
| US5039561A (en) | 1986-08-25 | 1991-08-13 | Minnesota Mining And Manufacturing Company | Method for preparing an article having surface layer of uniformly oriented, crystalline, organic microstructures |
| US4876115A (en) | 1987-01-30 | 1989-10-24 | United States Department Of Energy | Electrode assembly for use in a solid polymer electrolyte fuel cell |
| US5108849A (en) * | 1989-08-30 | 1992-04-28 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Fuel cell fluid flow field plate |
| US5211984A (en) | 1991-02-19 | 1993-05-18 | The Regents Of The University Of California | Membrane catalyst layer for fuel cells |
| US5234777A (en) | 1991-02-19 | 1993-08-10 | The Regents Of The University Of California | Membrane catalyst layer for fuel cells |
| US5252410A (en) | 1991-09-13 | 1993-10-12 | Ballard Power Systems Inc. | Lightweight fuel cell membrane electrode assembly with integral reactant flow passages |
| JPH05109415A (ja) * | 1991-10-16 | 1993-04-30 | Mitsubishi Heavy Ind Ltd | 燃料電池用ガスセパレータ |
| US5618392A (en) | 1991-10-31 | 1997-04-08 | Tanaka Kikinzoku Kogyo K.K. | Gas diffusion electrode |
| US5272017A (en) | 1992-04-03 | 1993-12-21 | General Motors Corporation | Membrane-electrode assemblies for electrochemical cells |
| US5300370A (en) | 1992-11-13 | 1994-04-05 | Ballard Power Systems Inc. | Laminated fluid flow field assembly for electrochemical fuel cells |
| US5728446A (en) * | 1993-08-22 | 1998-03-17 | Johnston; Raymond P. | Liquid management film for absorbent articles |
| US5773160A (en) | 1994-06-24 | 1998-06-30 | Ballard Power Systems Inc. | Electrochemical fuel cell stack with concurrent flow of coolant and oxidant streams and countercurrent flow of fuel and oxidant streams |
| RU2174728C2 (ru) | 1994-10-12 | 2001-10-10 | Х Пауэр Корпорейшн | Топливный элемент, использующий интегральную технологию пластин для распределения жидкости |
| US5863671A (en) | 1994-10-12 | 1999-01-26 | H Power Corporation | Plastic platelet fuel cells employing integrated fluid management |
| JP3323038B2 (ja) | 1995-08-10 | 2002-09-09 | 京セラ株式会社 | 固体電解質型燃料電池セル |
| US5840438A (en) | 1995-08-25 | 1998-11-24 | Ballard Power Systems Inc. | Electrochemical fuel cell with an electrode substrate having an in-plane nonuniform structure for control of reactant and product transport |
| US5620807A (en) | 1995-08-31 | 1997-04-15 | The Dow Chemical Company | Flow field assembly for electrochemical fuel cells |
| US5641586A (en) | 1995-12-06 | 1997-06-24 | The Regents Of The University Of California Office Of Technology Transfer | Fuel cell with interdigitated porous flow-field |
| JPH09283155A (ja) * | 1996-04-10 | 1997-10-31 | Tanaka Kikinzoku Kogyo Kk | 高分子固体電解質型燃料電池用電極の製作方法 |
| US5686199A (en) | 1996-05-07 | 1997-11-11 | Alliedsignal Inc. | Flow field plate for use in a proton exchange membrane fuel cell |
| US5849084A (en) * | 1996-06-21 | 1998-12-15 | Micron Technology, Inc. | Spin coating dispense arm assembly |
| US5798187A (en) | 1996-09-27 | 1998-08-25 | The Regents Of The University Of California | Fuel cell with metal screen flow-field |
| JPH10125338A (ja) | 1996-10-22 | 1998-05-15 | Fuji Electric Co Ltd | 固体高分子電解質型燃料電池 |
| US5789093A (en) | 1996-12-10 | 1998-08-04 | Texas Instruments Incorporated | Low profile fuel cell |
| US5804326A (en) | 1996-12-20 | 1998-09-08 | Ballard Power Systems Inc. | Integrated reactant and coolant fluid flow field layer for an electrochemical fuel cell |
| US5858569A (en) | 1997-03-21 | 1999-01-12 | Plug Power L.L.C. | Low cost fuel cell stack design |
| US5885728A (en) | 1997-04-04 | 1999-03-23 | Ucar Carbon Technology Corporation | Flexible graphite composite |
| US6329094B1 (en) | 1997-05-14 | 2001-12-11 | Sanyo Electric Co., Ltd. | Polymer electrolyte fuel cell showing stable and outstanding electric-power generating characteristics |
| US5798188A (en) | 1997-06-25 | 1998-08-25 | E. I. Dupont De Nemours And Company | Polymer electrolyte membrane fuel cell with bipolar plate having molded polymer projections |
| US5935725A (en) | 1997-07-18 | 1999-08-10 | Bcs Technology | Flow facilitator for improving operation of a fuel cell |
| US5945232A (en) | 1998-04-03 | 1999-08-31 | Plug Power, L.L.C. | PEM-type fuel cell assembly having multiple parallel fuel cell sub-stacks employing shared fluid plate assemblies and shared membrane electrode assemblies |
| US6071635A (en) * | 1998-04-03 | 2000-06-06 | Plug Power, L.L.C. | Easily-formable fuel cell assembly fluid flow plate having conductivity and increased non-conductive material |
| JPH11297343A (ja) | 1998-04-14 | 1999-10-29 | Toho Gas Co Ltd | ハニカム一体構造の固体電解質型燃料電池 |
| US6007933A (en) * | 1998-04-27 | 1999-12-28 | Plug Power, L.L.C. | Fuel cell assembly unit for promoting fluid service and electrical conductivity |
| WO2000041260A2 (en) | 1998-12-30 | 2000-07-13 | Ballard Power Systems Inc. | Fuel cell fluid flow field plate and methods of making fuel cell flow field plates |
-
1999
- 1999-10-29 KR KR1020017005375A patent/KR20010104644A/ko not_active Ceased
- 1999-10-29 AU AU16008/00A patent/AU1600800A/en not_active Abandoned
- 1999-10-29 US US09/430,568 patent/US6555261B1/en not_active Expired - Lifetime
- 1999-10-29 EP EP99958701A patent/EP1145351A2/en not_active Withdrawn
- 1999-10-29 WO PCT/US1999/025401 patent/WO2000026981A2/en not_active Ceased
- 1999-10-29 JP JP2000580260A patent/JP2002529892A/ja active Pending
- 1999-10-29 CA CA002348783A patent/CA2348783A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US6555261B1 (en) | 2003-04-29 |
| WO2000026981A3 (en) | 2001-10-25 |
| WO2000026981A2 (en) | 2000-05-11 |
| JP2002529892A (ja) | 2002-09-10 |
| AU1600800A (en) | 2000-05-22 |
| KR20010104644A (ko) | 2001-11-26 |
| EP1145351A2 (en) | 2001-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |