CA2341495C - Gas diffusion electrode and method for its production - Google Patents
Gas diffusion electrode and method for its production Download PDFInfo
- Publication number
- CA2341495C CA2341495C CA2341495A CA2341495A CA2341495C CA 2341495 C CA2341495 C CA 2341495C CA 2341495 A CA2341495 A CA 2341495A CA 2341495 A CA2341495 A CA 2341495A CA 2341495 C CA2341495 C CA 2341495C
- Authority
- CA
- Canada
- Prior art keywords
- polymer
- screen
- gas diffusion
- diffusion electrode
- printing
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000009792 diffusion process Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title abstract description 14
- 238000007650 screen-printing Methods 0.000 claims abstract description 43
- 239000003054 catalyst Substances 0.000 claims abstract description 20
- 239000000446 fuel Substances 0.000 claims abstract description 10
- 229920000642 polymer Polymers 0.000 claims description 58
- 239000010411 electrocatalyst Substances 0.000 claims description 40
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000003863 metallic catalyst Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 abstract description 13
- 229920006362 Teflon® Polymers 0.000 abstract description 13
- 239000003060 catalysis inhibitor Substances 0.000 abstract description 3
- 238000007598 dipping method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004078 waterproofing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 23
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000000080 wetting agent Substances 0.000 description 6
- 239000012528 membrane Substances 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 description 3
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229940116411 terpineol Drugs 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- VFGRALUHHHDIQI-UHFFFAOYSA-N butyl 2-hydroxyacetate Chemical compound CCCCOC(=O)CO VFGRALUHHHDIQI-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 229920002113 octoxynol Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 101100273797 Caenorhabditis elegans pct-1 gene Proteins 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005303 weighing Methods 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
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
- H01M4/8892—Impregnation or coating of the catalyst layer, e.g. by an ionomer
-
- 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
- H01M4/88—Processes of manufacture
- H01M4/8803—Supports for the deposition of the catalytic active composition
- H01M4/8807—Gas diffusion layers
-
- 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
- H01M4/88—Processes of manufacture
- H01M4/8817—Treatment of supports before application of the catalytic active composition
-
- 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
- H01M4/88—Processes of manufacture
- H01M4/8825—Methods for deposition of the catalytic active composition
- H01M4/8828—Coating with slurry or ink
- H01M4/8835—Screen printing
-
- 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
- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
- H01M4/8882—Heat treatment, e.g. drying, baking
-
- 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
- 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
- H01M4/928—Unsupported catalytic particles; loose particulate catalytic materials, e.g. in fluidised state
-
- 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]
-
- 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
- H01M4/88—Processes of manufacture
- H01M4/8817—Treatment of supports before application of the catalytic active composition
- H01M4/8821—Wet proofing
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inert Electrodes (AREA)
- Printing Methods (AREA)
- Fuel Cell (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19838786 | 1998-08-26 | ||
| DE19838786.5 | 1998-08-26 | ||
| PCT/DE1999/002622 WO2000013243A2 (de) | 1998-08-26 | 1999-08-20 | Verbesserte gasdiffusionselektrode, herstellungsverfahren dazu und verfahren zur hydrophobierung einer gasdiffusionselektrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2341495A1 CA2341495A1 (en) | 2000-03-09 |
| CA2341495C true CA2341495C (en) | 2010-07-06 |
Family
ID=7878780
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2341495A Expired - Lifetime CA2341495C (en) | 1998-08-26 | 1999-08-20 | Gas diffusion electrode and method for its production |
| CA2341494A Expired - Lifetime CA2341494C (en) | 1998-08-26 | 1999-08-20 | Screen-printing paste and screen-printing method of fabricating a gas diffusion electrode |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2341494A Expired - Lifetime CA2341494C (en) | 1998-08-26 | 1999-08-20 | Screen-printing paste and screen-printing method of fabricating a gas diffusion electrode |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US20010018145A1 (enExample) |
| EP (2) | EP1118129B1 (enExample) |
| JP (2) | JP4707834B2 (enExample) |
| CN (2) | CN1195336C (enExample) |
| AT (2) | ATE415713T1 (enExample) |
| CA (2) | CA2341495C (enExample) |
| DE (2) | DE59914914D1 (enExample) |
| ES (2) | ES2214895T3 (enExample) |
| WO (2) | WO2000013243A2 (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002313359A (ja) * | 2001-04-17 | 2002-10-25 | Mitsubishi Heavy Ind Ltd | 固体高分子型燃料電池 |
| DE10211177A1 (de) * | 2002-03-14 | 2003-10-02 | Daimler Chrysler Ag | Membran-Elektroden-Einheit |
| US7041191B2 (en) * | 2004-05-27 | 2006-05-09 | Institute Of Nuclear Energy Research | Method for manufacturing membrane electrode assembly of fuel cell by printing processes |
| KR100717130B1 (ko) | 2005-09-30 | 2007-05-11 | 한국과학기술연구원 | 고체산화물 연료전지용 페이스트, 이를 이용한 연료극지지형 고체산화물 연료전지 및 그 제조 방법 |
| KR101233343B1 (ko) * | 2005-11-25 | 2013-02-14 | 삼성에스디아이 주식회사 | 연료 전지용 막-전극 어셈블리, 이의 제조 방법 및 이를포함하는 연료 전지 시스템 |
| US20070141446A1 (en) * | 2005-12-15 | 2007-06-21 | Hollingsworth & Vose Company | Fuel cell gas diffusion articles |
| KR100668354B1 (ko) * | 2006-02-07 | 2007-01-12 | 삼성에스디아이 주식회사 | 금속 촉매와 이를 포함한 전극의 제조방법 |
| JP5298405B2 (ja) | 2006-04-14 | 2013-09-25 | トヨタ自動車株式会社 | 燃料電池用膜電極接合体の製造方法 |
| KR100957302B1 (ko) * | 2007-09-07 | 2010-05-12 | 현대자동차주식회사 | 연료전지용 막-전극 접합체의 제조방법 |
| MX2010005814A (es) * | 2007-11-27 | 2010-10-28 | 3Gsolar Ltd | Celdas colorantes de gran área y métodos de producción de las mismas. |
| US20100028744A1 (en) * | 2008-08-04 | 2010-02-04 | Gm Global Technology Operations, Inc. | Gas diffusion layer with lower gas diffusivity |
| US20100028750A1 (en) * | 2008-08-04 | 2010-02-04 | Gm Global Technology Operations, Inc. | Gas diffusion layer with lower gas diffusivity |
| US7947410B2 (en) * | 2008-08-22 | 2011-05-24 | Toyota Motor Engineering & Manufacturing North America, Inc. | Fuel cell electrodes with triazole modified polymers and membrane electrode assemblies incorporating same |
| WO2011100602A1 (en) * | 2010-02-12 | 2011-08-18 | Revolt Technology Ltd. | Manufacturing methods for air electrode |
| JP6075743B2 (ja) * | 2010-08-03 | 2017-02-08 | ソニー株式会社 | 信号処理装置および方法、並びにプログラム |
| JP5530954B2 (ja) * | 2011-02-21 | 2014-06-25 | 株式会社日本自動車部品総合研究所 | 燃料電池 |
| CN104527247B (zh) * | 2014-01-03 | 2017-03-22 | 华东理工大学 | 基于丝网印刷技术的微流体燃料电池组微电路制备方法 |
| CN107342423B (zh) * | 2017-05-22 | 2020-09-01 | 深圳市航盛新材料技术有限公司 | 空气电极极片及其制备方法和空气电池 |
| US11761100B2 (en) | 2018-11-06 | 2023-09-19 | Utility Global, Inc. | Electrochemical device and method of making |
| US11611097B2 (en) | 2018-11-06 | 2023-03-21 | Utility Global, Inc. | Method of making an electrochemical reactor via sintering inorganic dry particles |
| US11603324B2 (en) | 2018-11-06 | 2023-03-14 | Utility Global, Inc. | Channeled electrodes and method of making |
| US11539053B2 (en) | 2018-11-12 | 2022-12-27 | Utility Global, Inc. | Method of making copper electrode |
| JP2022512964A (ja) | 2018-11-06 | 2022-02-07 | ユティリティ グローバル,インコーポレイテッド | 燃料電池を製造し、その構成要素を処理する方法 |
| CN110416558B (zh) * | 2019-07-16 | 2020-10-16 | 成都新柯力化工科技有限公司 | 一种卷对卷稳定连续印刷制备燃料电池膜电极的方法 |
| CN118248893B (zh) * | 2024-02-06 | 2025-09-26 | 厦门金龙联合汽车工业有限公司 | 一种石墨极板的表面改性方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3912538A (en) * | 1974-01-15 | 1975-10-14 | United Technologies Corp | Novel composite fuel cell electrode |
| US4229490A (en) * | 1978-09-01 | 1980-10-21 | Texas Instruments Incorporated | Novel method for catalyst application to a substrate for fuel cell electrodes |
| IL61410A0 (en) * | 1979-11-09 | 1980-12-31 | Yardney Electric Corp | Improved inexpensive electrode for metal-air cells and method of making the same |
| US4615954A (en) * | 1984-09-27 | 1986-10-07 | Eltech Systems Corporation | Fast response, high rate, gas diffusion electrode and method of making same |
| US4568442A (en) * | 1985-02-01 | 1986-02-04 | The Dow Chemical Company | Gas diffusion composite electrode having polymeric binder coated carbon layer |
| DE3722019A1 (de) * | 1987-07-03 | 1989-01-12 | Varta Batterie | Verfahren zur herstellung einer kunststoffgebundenen gasdiffusionselektrode, die einen manganoxidkatalysator der ueberwiegenden zusammensetzung mno(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)3(pfeil abwaerts)* x mn(pfeil abwaerts)5(pfeil abwaerts)o(pfeil abwaerts)8(pfeil abwaerts) enthaelt |
| US4927514A (en) * | 1988-09-01 | 1990-05-22 | Eltech Systems Corporation | Platinum black air cathode, method of operating same, and layered gas diffusion electrode of improved inter-layer bonding |
| JP2948376B2 (ja) * | 1991-10-15 | 1999-09-13 | 三菱重工業株式会社 | 反応膜の製造方法及び電気化学セルの製造方法 |
| JP2842150B2 (ja) * | 1992-06-02 | 1998-12-24 | 株式会社日立製作所 | 固体高分子型燃料電池 |
| EP0641033B1 (de) * | 1993-08-31 | 1999-03-31 | Compur Monitors Sensor Technology GmbH | Verfahren zur Herstellung katalytisch wirksamer Gasdiffusionselektroden für elektrochemische Zellen |
| JPH07130376A (ja) * | 1993-11-03 | 1995-05-19 | Tokyo Gas Co Ltd | 固体高分子型燃料電池用電極の触媒処理法 |
| JP2741574B2 (ja) * | 1994-09-19 | 1998-04-22 | 株式会社日立製作所 | 固体高分子電解質型燃料電池 |
| JP3827018B2 (ja) * | 1995-03-20 | 2006-09-27 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 無機充填材含有膜および膜と電極のアセンブリおよびそれを利用した電気化学セル |
| JPH09223503A (ja) * | 1996-02-14 | 1997-08-26 | Tanaka Kikinzoku Kogyo Kk | 高分子固体電解質型燃料電池用電極の製造方法 |
| US6103077A (en) * | 1998-01-02 | 2000-08-15 | De Nora S.P.A. | Structures and methods of manufacture for gas diffusion electrodes and electrode components |
| GB9808524D0 (en) * | 1998-04-23 | 1998-06-17 | British Gas Plc | Fuel cell flow-field structure formed by layer deposition |
-
1999
- 1999-08-20 WO PCT/DE1999/002622 patent/WO2000013243A2/de not_active Ceased
- 1999-08-20 WO PCT/DE1999/002620 patent/WO2000013242A2/de not_active Ceased
- 1999-08-20 JP JP2000571099A patent/JP4707834B2/ja not_active Expired - Fee Related
- 1999-08-20 ES ES99953554T patent/ES2214895T3/es not_active Expired - Lifetime
- 1999-08-20 JP JP2000571098A patent/JP4792160B2/ja not_active Expired - Fee Related
- 1999-08-20 EP EP99953556A patent/EP1118129B1/de not_active Expired - Lifetime
- 1999-08-20 AT AT99953556T patent/ATE415713T1/de not_active IP Right Cessation
- 1999-08-20 CN CNB99812561XA patent/CN1195336C/zh not_active Expired - Fee Related
- 1999-08-20 CN CNB998125601A patent/CN1173426C/zh not_active Expired - Fee Related
- 1999-08-20 EP EP99953554A patent/EP1118130B1/de not_active Expired - Lifetime
- 1999-08-20 DE DE59914914T patent/DE59914914D1/de not_active Expired - Lifetime
- 1999-08-20 AT AT99953554T patent/ATE257621T1/de not_active IP Right Cessation
- 1999-08-20 ES ES99953556T patent/ES2315020T3/es not_active Expired - Lifetime
- 1999-08-20 DE DE59908263T patent/DE59908263D1/de not_active Expired - Lifetime
- 1999-08-20 CA CA2341495A patent/CA2341495C/en not_active Expired - Lifetime
- 1999-08-20 CA CA2341494A patent/CA2341494C/en not_active Expired - Lifetime
-
2001
- 2001-02-26 US US09/793,411 patent/US20010018145A1/en not_active Abandoned
- 2001-02-26 US US09/793,329 patent/US6645660B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000013243A3 (de) | 2000-08-10 |
| CN1173426C (zh) | 2004-10-27 |
| EP1118130B1 (de) | 2004-01-07 |
| EP1118129A2 (de) | 2001-07-25 |
| JP4707834B2 (ja) | 2011-06-22 |
| ES2214895T3 (es) | 2004-09-16 |
| ATE257621T1 (de) | 2004-01-15 |
| CN1195336C (zh) | 2005-03-30 |
| WO2000013243A2 (de) | 2000-03-09 |
| CA2341494A1 (en) | 2000-03-09 |
| ATE415713T1 (de) | 2008-12-15 |
| WO2000013242A3 (de) | 2000-06-08 |
| CN1324502A (zh) | 2001-11-28 |
| DE59914914D1 (de) | 2009-01-08 |
| EP1118130A2 (de) | 2001-07-25 |
| US20020022083A1 (en) | 2002-02-21 |
| US20010018145A1 (en) | 2001-08-30 |
| WO2000013242A2 (de) | 2000-03-09 |
| CN1328707A (zh) | 2001-12-26 |
| US6645660B2 (en) | 2003-11-11 |
| JP2002525811A (ja) | 2002-08-13 |
| JP2002525812A (ja) | 2002-08-13 |
| DE59908263D1 (de) | 2004-02-12 |
| ES2315020T3 (es) | 2009-03-16 |
| JP4792160B2 (ja) | 2011-10-12 |
| EP1118129B1 (de) | 2008-11-26 |
| CA2341494C (en) | 2010-06-01 |
| CA2341495A1 (en) | 2000-03-09 |
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