KR20050108434A - 연료 전지용 촉매 및 이를 포함하는 연료 전지 - Google Patents
연료 전지용 촉매 및 이를 포함하는 연료 전지 Download PDFInfo
- Publication number
- KR20050108434A KR20050108434A KR1020040032963A KR20040032963A KR20050108434A KR 20050108434 A KR20050108434 A KR 20050108434A KR 1020040032963 A KR1020040032963 A KR 1020040032963A KR 20040032963 A KR20040032963 A KR 20040032963A KR 20050108434 A KR20050108434 A KR 20050108434A
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- fuel cell
- platinum
- orp
- present
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 74
- 239000000446 fuel Substances 0.000 title claims abstract description 57
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 88
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 41
- 239000002245 particle Substances 0.000 claims description 11
- 239000003792 electrolyte Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 15
- 230000000052 comparative effect Effects 0.000 description 18
- 238000010438 heat treatment Methods 0.000 description 15
- 229910052760 oxygen Inorganic materials 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000010970 precious metal Substances 0.000 description 6
- 238000006722 reduction reaction Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910001260 Pt alloy Inorganic materials 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 150000003057 platinum Chemical class 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 238000009790 rate-determining step (RDS) Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004832 voltammetry Methods 0.000 description 1
- 238000005406 washing 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
- H01M4/8803—Supports for the deposition of the catalytic active composition
- H01M4/8807—Gas diffusion layers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/04—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/391—Physical properties of the active metal ingredient
- B01J35/393—Metal or metal oxide crystallite size
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
-
- 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
- H01M4/8605—Porous electrodes
-
- 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
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
-
- 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
- H01M8/0234—Carbonaceous material
-
- 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)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Inert Electrodes (AREA)
- Catalysts (AREA)
- Fuel Cell (AREA)
Abstract
Description
촉매 | ORP mV(vs. SCE 1M H2SO4) | |
비교예 1 | PtRT | 425 |
실시예 1 | Pt400 | 431 |
실시예 2 | Pt500 | 434 |
실시예 3 | Pt700 | 460 |
실시예 4 | Pt800 | 490 |
실시예 5 | Pt900 | 511 |
실시예 6 | Pt1000 | 528 |
실시예 7 | Pt1100 | 555 |
촉매 | 중량 활성도(A/g) | |
비교예 1 | PtRT | 70.0 |
실시예 1 | Pt400 | 77.6 |
실시예 2 | Pt500 | 95.2 |
실시예 3 | Pt700 | 98.3 |
실시예 4 | Pt800 | 93.1 |
실시예 5 | Pt900 | 108 |
실시예 6 | Pt1000 | 81.7 |
실시예 7 | Pt1100 | 75.9 |
Claims (10)
- 산화 환원 전위(ORP)가 430mV 이상인 백금을 포함하는연료 전지용 촉매.
- 제 1 항에 있어서, 상기 산화 환원 전위가 430mV 내지 560mV인 연료 전지용 촉매.
- 제 1 항에 있어서, 상기 백금은 30 내지 150Å의 평균 입자 크기를 갖는 것인 연료 전지용 촉매.
- 제 1 항에 있어서, 상기 촉매는 백금을 400℃ 이상의 온도에서 열처리하여 제조된 것인 연료 전지용 촉매.
- 제 4 항에 있어서, 상기 촉매는 백금을 400 내지 1100℃의 온도에서 환원 분위기 하에서 1 내지 5 시간 동안 열처리하여 제조된 것인 연료 전지용 촉매.
- 전해질막;상기 전해질막의 양측에 위치한 촉매층이 코팅된 캐소드 및 애노드를 포함하며,상기 촉매층은 산화 환원 전위(ORP)가 430mV 이상인 백금을 포함하는 것인연료 전지.
- 제 6 항에 있어서, 상기 산화 환원 전위가 430mV 내지 560mV인 연료 전지.
- 제 6 항에 있어서, 상기 백금은 30 내지 150Å의 평균 입자 크기를 갖는 것인 연료 전지.
- 제 6 항에 있어서, 상기 촉매는 백금을 400℃ 이상의 온도에서 열처리하여 제조된 것인 연료 전지.
- 제 9 항에 있어서, 상기 촉매는 백금을 400 내지 1100℃의 온도에서 환원 분위기 하에서 1 내지 5 시간 동안 열처리하여 제조된 것인 연료 전지.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040032963A KR100570689B1 (ko) | 2004-05-11 | 2004-05-11 | 연료 전지용 촉매 및 이를 포함하는 연료 전지 |
JP2005137751A JP4937527B2 (ja) | 2004-05-11 | 2005-05-10 | 燃料電池用白金触媒及びこれを含む燃料電池 |
US11/127,043 US7931998B2 (en) | 2004-05-11 | 2005-05-10 | Catalyst for fuel cell and fuel cell comprising the same |
CNB2005100702221A CN100341181C (zh) | 2004-05-11 | 2005-05-11 | 燃料电池的催化剂及包含它的燃料电池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040032963A KR100570689B1 (ko) | 2004-05-11 | 2004-05-11 | 연료 전지용 촉매 및 이를 포함하는 연료 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050108434A true KR20050108434A (ko) | 2005-11-16 |
KR100570689B1 KR100570689B1 (ko) | 2006-04-12 |
Family
ID=35349820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040032963A KR100570689B1 (ko) | 2004-05-11 | 2004-05-11 | 연료 전지용 촉매 및 이를 포함하는 연료 전지 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7931998B2 (ko) |
JP (1) | JP4937527B2 (ko) |
KR (1) | KR100570689B1 (ko) |
CN (1) | CN100341181C (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100692917B1 (ko) * | 2006-02-17 | 2007-03-12 | 한국화학연구원 | 연료전지용 촉매 개발을 위한 전기화학 분석장치 및 방법 |
Families Citing this family (6)
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US20070003822A1 (en) * | 2005-06-30 | 2007-01-04 | Shyam Kocha | Voltage cycling durable catalysts |
JP2007317437A (ja) * | 2006-05-24 | 2007-12-06 | Toyota Motor Corp | 電池用電極触媒の性能評価方法、探索方法、電池用電極触媒及びその電極触媒を用いた燃料電池 |
WO2011036749A1 (ja) * | 2009-09-24 | 2011-03-31 | 株式会社 東芝 | 集電部材、発電装置、および発電装置用集電部材の製造方法 |
WO2011145225A1 (ja) * | 2010-05-18 | 2011-11-24 | トヨタ自動車株式会社 | 燃料電池用触媒の製造方法 |
JP5759695B2 (ja) * | 2010-09-24 | 2015-08-05 | 株式会社キャタラー | 燃料電池用担持触媒の製造方法 |
JP5384543B2 (ja) | 2011-03-04 | 2014-01-08 | 本田技研工業株式会社 | 燃料電池システム |
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EP1357618A1 (en) * | 2001-03-08 | 2003-10-29 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte type fuel cell |
JP4801284B2 (ja) | 2001-07-03 | 2011-10-26 | 富士電機株式会社 | ガス供給ラインの圧力制御方法 |
JP5281221B2 (ja) | 2001-08-03 | 2013-09-04 | トヨタ自動車株式会社 | 貴金属−卑金属合金系触媒とその評価および製造方法 |
JP4963147B2 (ja) | 2001-09-17 | 2012-06-27 | 株式会社豊田中央研究所 | 燃料電池用電極触媒体およびその製造方法 |
CN1262030C (zh) * | 2002-09-28 | 2006-06-28 | 中国科学院上海微系统与信息技术研究所 | 含助催化元素的铂/碳电催化剂及其制备方法 |
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2004
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2005
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KR100692917B1 (ko) * | 2006-02-17 | 2007-03-12 | 한국화학연구원 | 연료전지용 촉매 개발을 위한 전기화학 분석장치 및 방법 |
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US7931998B2 (en) | 2011-04-26 |
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