KR100797173B1 - 금속 산화물 전극촉매 - Google Patents
금속 산화물 전극촉매 Download PDFInfo
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- KR100797173B1 KR100797173B1 KR1020077002893A KR20077002893A KR100797173B1 KR 100797173 B1 KR100797173 B1 KR 100797173B1 KR 1020077002893 A KR1020077002893 A KR 1020077002893A KR 20077002893 A KR20077002893 A KR 20077002893A KR 100797173 B1 KR100797173 B1 KR 100797173B1
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- KR
- South Korea
- Prior art keywords
- catalyst
- electrode
- metal oxide
- transition metal
- gold
- Prior art date
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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
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
- C25B11/093—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds at least one noble metal or noble metal oxide and at least one non-noble metal oxide
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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
- H01M4/8605—Porous electrodes
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/08—Fuel cells with aqueous electrolytes
- H01M8/086—Phosphoric acid fuel cells [PAFC]
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1007—Fuel cells with solid electrolytes with both reactants being gaseous or vaporised
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
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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
- 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
- H01M2008/1293—Fuel cells with solid oxide electrolytes
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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
- H01M2300/00—Electrolytes
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0005—Acid electrolytes
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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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
Abstract
Description
원소 | 표면 | 내부 | ||
O | Zr | O | Zr | |
조성비(%) | 67.9 | 32.1 | 62.1 | 37.9 |
Claims (4)
- 산소결손을 가지는 ZrO2, Ta2O5, Nb2O5, SnO2, TiO2, V2O5, MoO3중 적어도 하나의 전이금속 산화물을 주 촉매로 하고 금을 조 촉매로 하여, 산성 전해질에 접촉해서 가역 수소 전극 전위에 대하여 0.4V보다 높은 전위에서 사용되는 것을 특징으로 하는 내식성 산소환원용 전극촉매.
- 청구항 1에 있어서, 상기 전이금속 산화물 및 금을 미립자로 하여 전자 전도성 분말인 촉매 담체상에 분산시킨 것을 특징으로 하는 내식성 산소환원용 전극촉매.
- 청구항 1에 있어서, 상기 전이금속 산화물을 금 미립자로 피복한 미립자로 하여 전자 전도성 분말인 촉매 담체상에 분산시킨 것을 특징으로 하는 내식성 산소 환원용 전극촉매.
- 산성 전해질을 이용하는 연료전지의 산소 전극촉매로서 이용되는 것을 특징으로 하는 청구항 1 내지 3중 어느 하나에 기재된 내식성 산소환원용 전극촉매.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020077002893A KR100797173B1 (ko) | 2004-08-19 | 2005-08-18 | 금속 산화물 전극촉매 |
Applications Claiming Priority (3)
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JPJP-P-2004-00239589 | 2004-08-19 | ||
JPJP-P-2005-00093651 | 2005-03-29 | ||
KR1020077002893A KR100797173B1 (ko) | 2004-08-19 | 2005-08-18 | 금속 산화물 전극촉매 |
Publications (2)
Publication Number | Publication Date |
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KR20070032358A KR20070032358A (ko) | 2007-03-21 |
KR100797173B1 true KR100797173B1 (ko) | 2008-01-23 |
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KR1020077002893A KR100797173B1 (ko) | 2004-08-19 | 2005-08-18 | 금속 산화물 전극촉매 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101264337B1 (ko) | 2010-08-13 | 2013-05-14 | 삼성에스디아이 주식회사 | 양극 활물질 및 이를 이용한 리튬 전지 |
WO2014119926A1 (ko) * | 2013-01-29 | 2014-08-07 | 지브이퓨얼셀 주식회사 | 연료전지용 셀 제조방법 |
KR101870209B1 (ko) | 2015-12-24 | 2018-07-23 | 한국과학기술연구원 | 가역 연료전지 산소 전극 및 이를 포함하는 가역 연료전지, 그 제조 방법 |
WO2020250898A1 (ja) * | 2019-06-12 | 2020-12-17 | 国立大学法人横浜国立大学 | 酸素還元触媒、燃料電池、空気電池及び酸素還元触媒の製造方法 |
KR102580930B1 (ko) | 2021-03-30 | 2023-09-21 | 숭실대학교 산학협력단 | 전이금속 산화물 및 니켈 산화물을 포함하는 산소발생반응용 촉매, 이의 제조방법 및 이를 이용한 수전해 전지 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06235083A (ja) * | 1993-02-10 | 1994-08-23 | Permelec Electrode Ltd | ガス電極用触媒とその製造方法 |
JP2004095263A (ja) * | 2002-08-30 | 2004-03-25 | Mitsubishi Heavy Ind Ltd | 燃料電池用電極触媒、燃料電池および燃料電池システム |
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2005
- 2005-08-18 KR KR1020077002893A patent/KR100797173B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06235083A (ja) * | 1993-02-10 | 1994-08-23 | Permelec Electrode Ltd | ガス電極用触媒とその製造方法 |
JP2004095263A (ja) * | 2002-08-30 | 2004-03-25 | Mitsubishi Heavy Ind Ltd | 燃料電池用電極触媒、燃料電池および燃料電池システム |
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KR20070032358A (ko) | 2007-03-21 |
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