KR100976453B1 - 연료 전지용 애노드 전극, 이를 포함하는 연료 전지용막-전극 어셈블리 및 이를 포함하는 연료 전지 시스템 - Google Patents
연료 전지용 애노드 전극, 이를 포함하는 연료 전지용막-전극 어셈블리 및 이를 포함하는 연료 전지 시스템 Download PDFInfo
- Publication number
- KR100976453B1 KR100976453B1 KR1020070116603A KR20070116603A KR100976453B1 KR 100976453 B1 KR100976453 B1 KR 100976453B1 KR 1020070116603 A KR1020070116603 A KR 1020070116603A KR 20070116603 A KR20070116603 A KR 20070116603A KR 100976453 B1 KR100976453 B1 KR 100976453B1
- Authority
- KR
- South Korea
- Prior art keywords
- fuel cell
- catalyst
- anode electrode
- platinum
- carbon monoxide
- 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 - Fee Related
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Images
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
-
- 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
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8652—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites as mixture
-
- 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
- H01M4/8885—Sintering or firing
-
- 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
- H01M4/90—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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Abstract
Description
일산화탄소 산화 촉매에서 Au 담지량 (Au/TiO2), 중량% | 70℃, mW/cm2 | |||
0.45V | 0.4V | 0.35V | ||
실시예 1 | 0.1 | 85 | 112 | 132 |
실시예 2 | 0.5 | 85 | 113 | 132 |
실시예 3 | 1 | 90 | 125 | 145 |
실시예 4 | 2 | 95 | 128 | 154 |
실시예 5 | 3 | 98 | 135 | 165 |
실시예 6 | 4 | 86 | 115 | 145 |
실시예 7 | 5 | 85 | 113 | 132 |
참조예 1 | 0.05 | 84 | 110 | 128 |
참조예 2 | 11 | 82 | 110 | 131 |
비교예 1 | 0 | 85 | 112 | 131 |
일산화탄소 산화 촉매 사용량(Au/TiO2), 중량% | 70℃, mW/cm2 | |||
0.45V | 0.4V | 0.35V | ||
실시예 8 | 0.1 | 85 | 112 | 132 |
실시예 9 | 0.2 | 88 | 115 | 131 |
실시예 10 | 0.4 | 95 | 130 | 154 |
실시예 11 | 0.5 | 96 | 135 | 161 |
실시예 12 | 0.6 | 96 | 134 | 159 |
실시예 13 | 0.8 | 90 | 120 | 133 |
실시예 14 | 1 | 86 | 112 | 131 |
참조예 3 | 0.05 | 84 | 112 | 128 |
참조예 4 | 6 | 82 | 111 | 129 |
비교예 1 | 0 | 85 | 112 | 131 |
Claims (15)
- 백금계 금속 촉매 및 담체에 담지된 일산화탄소 산화 촉매의 혼합 촉매를 포함하는 촉매층; 및상기 촉매층을 지지하는 전극 기재;를 포함하는 연료 전지용 애노드 전극으로서,상기 담체는 ThO2, CeO2, Ce2O3, MnxOy(x는 1 내지 2이고, y는 1 내지 3임), Co3O4, ZrO2, TiO2 및 이들의 조합으로 이루어진 군에서 선택되는 것이고,상기 혼합 촉매는담체에 담지된 일산화탄소 산화 촉매를 백금계 촉매와 혼합하여 혼합물을 제조하고;상기 혼합물을 열처리하여 제조되는 것인 연료 전지용 애노드 전극.
- 제1항에 있어서,상기 백금계 촉매 및 담체에 담지된 일산화탄소 산화 촉매의 혼합 비율은 95 내지 99.9 : 5 내지 0.1 중량%인 연료 전지용 애노드 전극.
- 제2항에 있어서,상기 백금계 촉매 및 담체에 담지된 일산화탄소 산화 촉매의 혼합 비율은 99 내지 99.9 : 1 내지 0.1 중량%인 연료 전지용 애노드 전극.
- 제1항에 있어서,상기 담체에 담지된 일산화탄소 산화 촉매의 담지량은 0.1 내지 10 중량%인 연료 전지용 애노드 전극.
- 삭제
- 제1항에 있어서,상기 열처리는 환원 분위기 하에서 350 내지 600℃의 온도로 실시하는 것인 연료 전지용 애노드 전극.
- 제1항에 있어서,상기 일산화탄소 산화 촉매는 Au, Pt-Co 합금 및 이들의 조합으로 이루어진 군에서 선택되는 것인 연료 전지용 애노드 전극.
- 제7항에 있어서,상기 일산화탄소 산화 촉매는 Au인 연료 전지용 애노드 전극.
- 제1항에 있어서,상기 담체에 담지된 일산화탄소 산화 촉매는 20 내지 500nm의 평균 입경을 갖는 것인 연료 전지용 애노드 전극.
- 제1항에 있어서,상기 백금계 촉매는 백금, 루테늄, 오스뮴, 백금-루테늄 합금, 백금-오스뮴 합금, 백금-팔라듐 합금, 백금-M 합금(M은 Ga, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Sn, Mo, W, Rh, Ru 및 이들의 조합으로 이루어진 군으로부터 선택되는 전이 금속) 및 이들의 조합으로 이루어진 군에서 것인 연료 전지용 애노드 전극.
- 제10항에 있어서,상기 백금계 촉매는 백금-루테늄 합금인 연료 전지용 애노드 전극.
- 제1 담체에 담지된 백금계 금속 촉매 및 제2 담체에 담지된 일산화탄소 산화 촉매의 혼합 촉매를 포함하는 촉매층; 및상기 촉매층을 지지하는 전극 기재;를 포함하는 연료 전지용 애노드 전극으로서,상기 제2 담체는 ThO2, CeO2, Ce2O3, MnxOy(x는 1 내지 2이고, y는 1 내지 3임), Co3O4, ZrO2, TiO2 및 이들의 조합으로 이루어진 군에서 선택되는 것인연료 전지용 애노드 전극.
- 제12항에 있어서,상기 제1 담체는 탄소계 물질 또는 무기물 미립자인 연료 전지용 애노드 전극.
- 서로 대향하여 위치하는 애노드 전극 및 캐소드 전극; 및상기 애노드 전극 및 상기 캐소드 전극 사이에 위치하는 고분자 전해질 막을 포함하며,상기 애노드 전극은 제1항 내지 제4항 및 제6항 내지 제13항 중 어느 한 항인연료 전지용 막-전극 어셈블리.
- 서로 대향하여 위치하는 애노드 전극 및 캐소드 전극 및 상기 애노드 전극 및 상기 캐소드 전극 사이에 위치하는 고분자 전해질 막을 포함하는 막-전극 어셈블리 및 세퍼레이터를 포함하며, 연료의 산화 반응과 산화제의 환원 반응을 통하여 전기를 발생시키는 전기 발생부;연료를 상기 전기 발생부로 공급하는 연료 공급부; 및산화제를 상기 전기 발생부로 공급하는 산화제 공급부를 포함하고,상기 애노드 전극은 제1항 내지 제4항 및 제6항 내지 제13항 중 어느 한 항인연료 전지 시스템.
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KR20140015705A (ko) * | 2012-07-12 | 2014-02-07 | 삼성전자주식회사 | 연료 전지용 전극 촉매, 이의 제조 방법, 및 이를 포함한 막 전극 접합체 및 연료 전지 |
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JP2000149959A (ja) * | 1998-11-13 | 2000-05-30 | Toyota Central Res & Dev Lab Inc | 燃料電池 |
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JP2000149959A (ja) * | 1998-11-13 | 2000-05-30 | Toyota Central Res & Dev Lab Inc | 燃料電池 |
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