KR100892099B1 - 연료전지용 전극촉매의 제조방법 및 그에 의해 제조된전극촉매 - Google Patents
연료전지용 전극촉매의 제조방법 및 그에 의해 제조된전극촉매 Download PDFInfo
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- KR100892099B1 KR100892099B1 KR1020070118301A KR20070118301A KR100892099B1 KR 100892099 B1 KR100892099 B1 KR 100892099B1 KR 1020070118301 A KR1020070118301 A KR 1020070118301A KR 20070118301 A KR20070118301 A KR 20070118301A KR 100892099 B1 KR100892099 B1 KR 100892099B1
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- electrode catalyst
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- titanium dioxide
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0215—Sulfur-containing compounds
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/28—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of the platinum group metals, iron group metals or copper
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
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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
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
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- 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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Abstract
Description
Claims (10)
- 연료전지용 전극촉매의 제조방법에 있어서,구형의 고분자를 합성하는 단계;상기 합성된 고분자를 혼합용액에 첨가하는 단계;상기 고분자가 첨가된 혼합용액에 Ti(SO4)2용액을 혼합하여 구형의 타이타늄 다이옥사이드(Titanium Dioxide) 지지체를 형성하는 단계; 및상기 타이타늄 다이옥사이드 지지체에 백금(Pt) 촉매를 담지하여 전극촉매를 형성하는 단계를 포함하는 것을 특징으로 하는 연료전지용 전극촉매의 제조방법.
- 제 1 항에 있어서,상기 구형의 고분자를 합성하는 단계는증류수에 포타슘 퍼설페이트(potassium persulfate)를 첨가한 용액을 교반하는 단계; 및상기 용액에 스티렌(styrene) 및 메타크릴산(methacrylic acid)을 첨가하여 반응시키는 단계를 포함하는 것을 특징으로 하는 연료전지용 전극촉매의 제조방법.
- 제 2 항에 있어서,상기 용액에 스티렌(styrene) 및 메타크릴산(methacrylic acid)을 첨가하여 반응시키는 단계는질소 분위기에서 이루어지는 것을 특징으로 하는 연료전지용 전극촉매의 제조방법.
- 제 1 항에 있어서,상기 고분자를 혼합용액에 첨가하는 단계에서상기 혼합용액은 증류수, 염산 및 세티트리메틸암모늄 클로라이드(cetytrimethylammonium chloride)를 첨가하여 형성되는 것을 특징으로 하는 연료전지용 전극촉매의 제조방법.
- 제 1 항에 있어서,상기 혼합용액에 Ti(SO4)2용액을 적하시켜 홀(Hole)을 구비하는 타이타늄 다이옥사이드(Titanium Dioxide) 지지체를 형성하는 단계는상기 Ti(SO4)2용액을 적하시킨 혼합용액을 고체시료로 형성하는 단계; 및상기 고체시료를 소성하는 단계를 포함하는 것을 특징으로 하는 연료전지용 전극촉매의 제조방법.
- 제 5 항에 있어서,상기 고체시료를 소성하는 단계는 600℃ 내지 800℃의 온도범위에서 이루어 지는 것을 특징으로 하는 연료전지용 전극촉매의 제조방법.
- 제 1 항에 있어서,상기 타이타늄 다이옥사이드 지지체에 백금(Pt) 촉매를 담지하여 전극촉매를 형성하는 단계에서 형성된 전극촉매는백금 촉매의 무게비율이 20wt% 내지 60 wt%인 것을 특징으로 하는 연료전지용 전극촉매의 제조방법.
- 연료전지용 전극촉매에 있어서,구형의 고분자;상기 구형의 고분자 상에 형성된 타이타늄 다이옥사이드(TiO2)를 구비하는 타이타늄 다이옥사이드(TiO2) 지지체; 및상기 타이타늄 다이옥사이드(TiO2) 지지체에 담지된 백금(Pt) 촉매를 포함하는 것을 특징으로 하는 전극촉매.
- 제 8 항에 있어서,상기 구형의 고분자는 포타슘 퍼설페이트(potassium persulfate), 스티렌(styrene) 및 메타크릴산(methacrylic acid)를 반응시켜 형성된 것을 특징으로하는 전극촉매.
- 제 8 항에 있어서,상기 타이타늄 다이옥사이드(TiO2) 지지체에 담지된 백금(Pt) 촉매의 무게비율은 20wt% 내지 60 wt%인 것을 특징으로 하는 전극촉매.
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KR20190105305A (ko) * | 2018-03-05 | 2019-09-17 | 인하대학교 산학협력단 | 고내구성 연료전지용 질소 도핑 이산화티타늄 나노입자 및 그 제조방법 |
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KR20060081913A (ko) * | 2005-01-11 | 2006-07-14 | (주)나노클러스터 | 금속 나노입자가 분산된 콜로이드를 이용한 촉매물질 제조 방법 |
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JP2007141626A (ja) | 2005-11-17 | 2007-06-07 | Canon Inc | 固体高分子型燃料電池の触媒電極および燃料電池 |
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KR20050046102A (ko) * | 2003-11-13 | 2005-05-18 | 삼성에스디아이 주식회사 | 금속 산화물-탄소 복합체로 이루어진 촉매 담체 및 이를이용한연료전지 |
KR20060081913A (ko) * | 2005-01-11 | 2006-07-14 | (주)나노클러스터 | 금속 나노입자가 분산된 콜로이드를 이용한 촉매물질 제조 방법 |
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KR20190105305A (ko) * | 2018-03-05 | 2019-09-17 | 인하대학교 산학협력단 | 고내구성 연료전지용 질소 도핑 이산화티타늄 나노입자 및 그 제조방법 |
KR102043647B1 (ko) * | 2018-03-05 | 2019-11-12 | 인하대학교 산학협력단 | 고내구성 연료전지용 질소 도핑 이산화티타늄 나노입자 및 그 제조방법 |
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