CA2645928A1 - Production process of electrode catalyst for fuel cell - Google Patents
Production process of electrode catalyst for fuel cell Download PDFInfo
- Publication number
- CA2645928A1 CA2645928A1 CA002645928A CA2645928A CA2645928A1 CA 2645928 A1 CA2645928 A1 CA 2645928A1 CA 002645928 A CA002645928 A CA 002645928A CA 2645928 A CA2645928 A CA 2645928A CA 2645928 A1 CA2645928 A1 CA 2645928A1
- Authority
- CA
- Canada
- Prior art keywords
- fuel cell
- electrode catalyst
- production process
- set forth
- salt solution
- 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.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract 18
- 239000000446 fuel Substances 0.000 title claims abstract 17
- 239000012266 salt solution Substances 0.000 claims abstract 14
- 238000005275 alloying Methods 0.000 claims abstract 9
- 239000010953 base metal Substances 0.000 claims abstract 8
- 239000012298 atmosphere Substances 0.000 claims abstract 6
- 239000006185 dispersion Substances 0.000 claims abstract 4
- 239000007788 liquid Substances 0.000 claims abstract 3
- 150000003839 salts Chemical class 0.000 claims abstract 2
- 239000000243 solution Substances 0.000 claims abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 10
- 239000002253 acid Substances 0.000 claims 6
- 150000004679 hydroxides Chemical class 0.000 claims 6
- 229910052697 platinum Inorganic materials 0.000 claims 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 4
- 229910052799 carbon Inorganic materials 0.000 claims 4
- 229910052741 iridium Inorganic materials 0.000 claims 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims 4
- 239000002245 particle Substances 0.000 claims 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims 3
- 230000003197 catalytic effect Effects 0.000 claims 3
- 230000001590 oxidative effect Effects 0.000 claims 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 239000012300 argon atmosphere Substances 0.000 claims 2
- 229910017052 cobalt Inorganic materials 0.000 claims 2
- 239000010941 cobalt Substances 0.000 claims 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 2
- 235000019253 formic acid Nutrition 0.000 claims 2
- 229910017604 nitric acid Inorganic materials 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000001307 helium Substances 0.000 claims 1
- 229910052734 helium Inorganic materials 0.000 claims 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
- 239000003863 metallic catalyst Substances 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 239000012299 nitrogen atmosphere Substances 0.000 claims 1
- 235000006408 oxalic acid Nutrition 0.000 claims 1
- 238000004381 surface treatment Methods 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 150000002503 iridium Chemical class 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910000000 metal hydroxide Inorganic materials 0.000 abstract 1
- 150000004692 metal hydroxides Chemical class 0.000 abstract 1
- 150000003057 platinum Chemical class 0.000 abstract 1
Classifications
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- 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
- H01M4/921—Alloys or mixtures with metallic elements
-
- 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
-
- 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
- H01M4/8842—Coating using a catalyst salt precursor in solution followed by evaporation and reduction of the precursor
-
- 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
- H01M4/923—Compounds thereof with non-metallic elements
-
- 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
- H01M4/96—Carbon-based electrodes
-
- 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
- H01M2008/1095—Fuel cells with polymeric 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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inert Electrodes (AREA)
- Catalysts (AREA)
Abstract
This invention provides a method for manufacturing an electrode catalyst for a fuel cell which has a high initial voltage, good durability and particularly no significant lowering in voltage upon the application of high potential. The method for manufacturing an electrode catalyst for a fuel cell comprises a dispersion step of dispersing an electroconductive carrier in a solution, a supporting step of adding dropwise a platinum salt solution, a base metal salt solution, and an iridium salt solution to the dispersion liquid and supporting each of the metal salts as a hydroxide on an electroconductive carrier under alkaline conditions, and an alloying step of heat reducing a metal hydroxide supported electroconductive carrier under a reducing atmosphere to conduct alloying.
Claims (14)
1. A production process of an electrode catalyst for fuel cell, the electrode catalyst on which ternary system catalytic particles are loaded, the production process being characterized in that: it includes:
a dispersing step of dispersing a conductive support in a solution, thereby preparing a dispersion liquid;
a loading step of dropping a platinum-salt solution, a base-metal-salt solution and an iridium-salt solution to the dispersion liquid, thereby loading respective metallic salts on the conductive support as metallic hydroxides under an alkaline condition; and an alloying step of heating the conductive support with metallic hydroxides loaded in a reducing atmosphere to reduce the metallic hydroxides, thereby alloying the metallic hydroxides.
a dispersing step of dispersing a conductive support in a solution, thereby preparing a dispersion liquid;
a loading step of dropping a platinum-salt solution, a base-metal-salt solution and an iridium-salt solution to the dispersion liquid, thereby loading respective metallic salts on the conductive support as metallic hydroxides under an alkaline condition; and an alloying step of heating the conductive support with metallic hydroxides loaded in a reducing atmosphere to reduce the metallic hydroxides, thereby alloying the metallic hydroxides.
2. The production process of an electrode catalyst for fuel cell set forth in claim 1 further including, between said loading step and said alloying step, a washing step of filtering, washing and drying said conductive support with metallic hydroxides loaded.
3. The production process of an electrode catalyst for fuel cell set forth in claim 1, wherein said conductive support comprises carbon; and a base metal of said base-metal-salt solution comprises one or more members of base metals being selected from the group consisting of titanium, zirconium, vanadium, chromium, manganese, iron, cobalt, nickel, copper and zinc.
4. The production process of an electrode catalyst for fuel cell set forth in claim 3, wherein a base metal of said base-metal-salt solution comprises cobalt.
5. The production process of an electrode catalyst for fuel cell set forth in claim 1, wherein a compositional ratio between the platinum element in said platinum-salt solution, the base-metal element in said base-metal-salt solution and the iridium element in said iridium-salt solution is platinum: base-metal element:
iridium = 1:0.01-2:0.01-2 by molar ratio.
iridium = 1:0.01-2:0.01-2 by molar ratio.
6. The production process of an electrode catalyst for fuel cell set forth in claim 5, wherein the compositional ratio between the platinum element in said platinum-salt solution, the base-metal element in said base-metal-salt solution and the iridium element in said iridium-salt solution is platinum: base-metal element:
iridium = 1:0.07-1:0.01-0.3 by molar ratio.
iridium = 1:0.07-1:0.01-0.3 by molar ratio.
7. The production process of an electrode catalyst for fuel cell set forth in claim 1, wherein said conductive support comprises carbon; and a proportion of a loading amount of platinum in said ternary system catalytic particles being loaded on the carbon with respect to an amount of the carbon is 0.6-1.7 by molar ratio.
8. The production process of an electrode catalyst for fuel cell set forth in claim 1, wherein said ternary system catalytic particles being obtained at said alloying step have particle diameters falling in a range of 3-6 nm.
9. The production process of an electrode catalyst for fuel cell set forth in claim 1, wherein said alloying step includes a step of treating said conductive support with metallic hydroxides loaded at a temperature of 700-900 °C in an inert atmosphere.
10. The production process of an electrode catalyst for fuel cell set forth in claim 9, wherein said inert atmosphere comprises at least one member selected from the group consisting of a nitrogen atmosphere, an argon atmosphere and a helium atmosphere.
11. The production process of an electrode catalyst for fuel cell set forth in claim 10, wherein said inert atmosphere comprises an argon atmosphere.
12. The production process of an electrode catalyst for fuel cell set forth in claim 1 further including, after said alloying step, a surface treatment step of treating the conductive support with metallic catalysts loaded that has been obtained at the alloying step with a reducing acid, and thereafter treating it with an oxidizing acid.
13. The production process of an electrode catalyst for fuel cell set forth in claim 12, wherein said reducing acid comprises at least one member selected from the group consisting of formic acid and oxalic acid; and said oxidizing acid comprises at least one member selected from the group consisting of hydrochloric acid, nitric acid and sulfuric acid.
14. The production process of an electrode catalyst for fuel cell set forth in claim 13, wherein said reducing acid comprises formic acid; and said oxidizing acid comprises nitric acid.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006100237 | 2006-03-31 | ||
| JP2006-100237 | 2006-03-31 | ||
| PCT/JP2007/057729 WO2007114525A1 (en) | 2006-03-31 | 2007-03-30 | Method for manufacturing electrode catalyst for fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2645928A1 true CA2645928A1 (en) | 2007-10-11 |
| CA2645928C CA2645928C (en) | 2012-09-25 |
Family
ID=38563783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2645928A Expired - Fee Related CA2645928C (en) | 2006-03-31 | 2007-03-30 | Production process of electrode catalyst for fuel cell |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7910512B2 (en) |
| EP (1) | EP2006943B1 (en) |
| JP (1) | JP5138584B2 (en) |
| CN (2) | CN104466198A (en) |
| CA (1) | CA2645928C (en) |
| WO (1) | WO2007114525A1 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007114525A1 (en) * | 2006-03-31 | 2007-10-11 | Toyota Jidosha Kabushiki Kaisha | Method for manufacturing electrode catalyst for fuel cell |
| WO2010107426A1 (en) * | 2009-03-18 | 2010-09-23 | Utc Power Corporation | Method of forming a ternary alloy catalyst for fuel cell |
| WO2010124196A2 (en) * | 2009-04-23 | 2010-10-28 | 3M Innovative Properties Company | Catalyst property control with intermixed inorganics |
| US20100304268A1 (en) * | 2009-05-28 | 2010-12-02 | Tetsuo Kawamura | Ternary alloy catalysts for fuel cells |
| KR101220722B1 (en) | 2009-06-09 | 2013-01-09 | 숭실대학교산학협력단 | Nickel hydrooxide nanoparticle as an oxygen reduction catalyst |
| CN102947990B (en) | 2010-04-26 | 2016-09-14 | 3M创新有限公司 | Platinum Raney nickel alloy |
| US20130115542A1 (en) * | 2010-07-15 | 2013-05-09 | Showa Denko K.K. | Method for producing fuel cell catalyst, fuel cell catalyst, and uses thereof |
| GB201110850D0 (en) * | 2011-03-04 | 2011-08-10 | Johnson Matthey Plc | Catalyst and mehtod of preparation |
| WO2013012398A2 (en) * | 2011-07-21 | 2013-01-24 | Kemijski inštitut | Electrocatalytic composite(s), associated composition(s), and associated process(es) |
| US9873107B2 (en) | 2014-03-18 | 2018-01-23 | Basf Se | Process for the production of a carbon supported catalyst |
| CN103866153B (en) * | 2014-03-24 | 2015-12-09 | 吉林大学 | The preparation method of the intermetallic compound catalyzer of double mode mesoporous platinum and non-magnesium-yttrium-transition metal and application thereof |
| JP6040954B2 (en) * | 2014-04-16 | 2016-12-07 | トヨタ自動車株式会社 | Method for producing fuel cell catalyst |
| US10950869B2 (en) * | 2014-10-24 | 2021-03-16 | Cataler Corporation | Fuel cell electrode catalyst and method for producing the same |
| CN105642309A (en) * | 2014-11-13 | 2016-06-08 | 中国科学院大连化学物理研究所 | Fuel cell alloy catalyst preparation method |
| JP6547696B2 (en) * | 2016-06-30 | 2019-07-24 | トヨタ自動車株式会社 | Fuel cell electrode catalyst, method for producing the same, and fuel cell |
| CN108899558B (en) * | 2018-06-07 | 2022-07-12 | 同济大学 | PtCo/C electrocatalyst and preparation method thereof |
| CN110635146A (en) * | 2019-08-23 | 2019-12-31 | 同济大学 | High-performance Pt-based tri-alloy catalyst and preparation method thereof |
| CN111129527A (en) * | 2019-12-09 | 2020-05-08 | 苏州天际创新纳米技术有限公司 | Fuel cell cathode catalyst, preparation method thereof, membrane electrode and fuel cell |
| DE102021201540A1 (en) * | 2021-02-18 | 2022-08-18 | Robert Bosch Gesellschaft mit beschränkter Haftung | Process for the production of catalyst layers for fuel cells |
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| JP4715107B2 (en) * | 2004-04-28 | 2011-07-06 | 日産自動車株式会社 | Catalyst for fuel cell and method for producing platinum-iridium alloy particles |
| JP3911514B2 (en) * | 2004-06-04 | 2007-05-09 | Ｔｄｋ株式会社 | Rare earth magnet and manufacturing method thereof |
| JP4625658B2 (en) * | 2004-07-21 | 2011-02-02 | 株式会社東芝 | Fuel cell electrode, membrane electrode composite, and fuel cell |
| JP2006127979A (en) * | 2004-10-29 | 2006-05-18 | Toyota Motor Corp | Fuel cell and electrode catalyst therefor |
| US7704919B2 (en) * | 2005-08-01 | 2010-04-27 | Brookhaven Science Associates, Llc | Electrocatalysts having gold monolayers on platinum nanoparticle cores, and uses thereof |
| US7704628B2 (en) * | 2006-05-08 | 2010-04-27 | Honda Motor Co., Ltd. | Platinum, titanium, cobalt and palladium containing electrocatalysts |
| US7318977B2 (en) * | 2006-01-06 | 2008-01-15 | Honda Motor Co., Ltd. | Platinum and titanium containing electrocatalysts |
| WO2007114525A1 (en) * | 2006-03-31 | 2007-10-11 | Toyota Jidosha Kabushiki Kaisha | Method for manufacturing electrode catalyst for fuel cell |
| US20070298961A1 (en) * | 2006-06-22 | 2007-12-27 | Rice Gordon L | Method of producing electrodes |
-
2007
- 2007-03-30 WO PCT/JP2007/057729 patent/WO2007114525A1/en active Application Filing
- 2007-03-30 CN CN201410666097.XA patent/CN104466198A/en active Pending
- 2007-03-30 CN CN200780011271.5A patent/CN101411012B/en not_active Expired - Fee Related
- 2007-03-30 EP EP07741165A patent/EP2006943B1/en not_active Expired - Fee Related
- 2007-03-30 CA CA2645928A patent/CA2645928C/en not_active Expired - Fee Related
- 2007-03-30 JP JP2008508729A patent/JP5138584B2/en not_active Expired - Fee Related
-
2008
- 2008-09-26 US US12/239,234 patent/US7910512B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20090099009A1 (en) | 2009-04-16 |
| JP5138584B2 (en) | 2013-02-06 |
| EP2006943B1 (en) | 2012-08-01 |
| CN104466198A (en) | 2015-03-25 |
| CN101411012A (en) | 2009-04-15 |
| CN101411012B (en) | 2016-01-20 |
| WO2007114525A1 (en) | 2007-10-11 |
| JPWO2007114525A1 (en) | 2009-08-20 |
| EP2006943A4 (en) | 2009-12-09 |
| US7910512B2 (en) | 2011-03-22 |
| CA2645928C (en) | 2012-09-25 |
| EP2006943A1 (en) | 2008-12-24 |
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