KR20070062135A - 고분산 백금 담지 촉매의 제조방법 - Google Patents
고분산 백금 담지 촉매의 제조방법 Download PDFInfo
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- KR20070062135A KR20070062135A KR1020050121882A KR20050121882A KR20070062135A KR 20070062135 A KR20070062135 A KR 20070062135A KR 1020050121882 A KR1020050121882 A KR 1020050121882A KR 20050121882 A KR20050121882 A KR 20050121882A KR 20070062135 A KR20070062135 A KR 20070062135A
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- Prior art keywords
- platinum
- catalyst
- highly dispersed
- carbon support
- mixed solution
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- 239000003054 catalyst Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title description 4
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 79
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 239000000243 solution Substances 0.000 claims abstract description 21
- 239000011259 mixed solution Substances 0.000 claims abstract description 14
- -1 sodium alkoxide Chemical class 0.000 claims abstract description 10
- 239000002243 precursor Substances 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 8
- 239000011734 sodium Substances 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 238000000527 sonication Methods 0.000 claims abstract description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 156
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 abstract description 21
- 239000000203 mixture Substances 0.000 abstract description 8
- 239000006185 dispersion Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000003638 chemical reducing agent Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 6
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- ICHISMVXYBJDEM-UHFFFAOYSA-N C(C)O.[C].[Pt] Chemical compound C(C)O.[C].[Pt] ICHISMVXYBJDEM-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000004317 sodium nitrate Substances 0.000 description 3
- 235000010344 sodium nitrate Nutrition 0.000 description 3
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002152 aqueous-organic solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
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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
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
-
- 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
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
-
- 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
-
- 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
-
- 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
- B01J35/394—Metal dispersion value, e.g. percentage or fraction
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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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
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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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- Organic Chemistry (AREA)
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- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
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- Optics & Photonics (AREA)
- Catalysts (AREA)
- Inert Electrodes (AREA)
Abstract
Description
구분 | 백금 담지량(중량%) | 백금 크기(nm) | 백금 표면적(m2/g) |
실시예 | 40 | 2.12 | 132 |
60 | 2.41 | 116 | |
80 | 3.03 | 92 | |
비교예1 | 탄소지지체 침전 안됨 | ||
비교예2 | 탄소지지체 침전 안됨 | ||
비교예 3 | 탄소지지체 침전 안됨 | ||
비교예4 | 40 | 3.64 | 77 |
비교예5 | 60 | 4.59 | 61 |
80 | 5.20 | 54 |
Claims (3)
- (A) 백금 전구체, 및 탄소 지지체를 용매에 첨가하고, 30 ~ 60 Hz 범위로 초음파 처리를 하는 단계;(B) 초음파 처리 후 얻어진 백금/탄소 지지체가 포함된 혼합용액에,백금전구체와 소듐 알콕사이드비가 1 : 4 ~ 1 : 8 인 소듐알콕사이드 용액을 첨가하고, 5 ~ 80 ℃ 온도 범위 하에서 열처리 하는 단계;(C) 열처리 단계 후 얻어진 혼합용액에 염산 수용액을 첨가하여 교반기에서 교반 후 여과와 세척하는 단계를 포함하는 것을 특징으로 하는 고분산 백금 담지 촉매의 제조 방법.
- 제 1 항에 있어서,상기 용매는 알코올인 것을 특징으로 하는 고분산 백금 담지 촉매의 제조 방법.
- 제 1 항에 있어서,상기 초음파 처리 단계에서, 백금전구체와 탄소지지체의 질량비가 1 : 9 ~ 8 : 2 인 것을 특징으로 하는 고분산 백금 담지 촉매의 제조 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050121882A KR100757585B1 (ko) | 2005-12-12 | 2005-12-12 | 고분산 백금 담지 촉매의 제조방법 |
US11/499,083 US7557057B2 (en) | 2005-12-12 | 2006-08-04 | Method for preparation of highly dispersed supported platinum catalyst |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020050121882A KR100757585B1 (ko) | 2005-12-12 | 2005-12-12 | 고분산 백금 담지 촉매의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20070062135A true KR20070062135A (ko) | 2007-06-15 |
KR100757585B1 KR100757585B1 (ko) | 2007-09-10 |
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KR1020050121882A KR100757585B1 (ko) | 2005-12-12 | 2005-12-12 | 고분산 백금 담지 촉매의 제조방법 |
Country Status (2)
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US (1) | US7557057B2 (ko) |
KR (1) | KR100757585B1 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101077969B1 (ko) | 2009-08-10 | 2011-10-31 | 고려대학교 산학협력단 | 새로운 백금/카본 촉매의 제조방법, 이를 이용하여 제조된 촉매 및 양성자 교환막 연료전지 |
IT1398503B1 (it) * | 2010-02-24 | 2013-03-01 | Alderan S A S Di Alderano Mannozzi & C Ora Alderan S A S Di D Ottavi Adele & C | Uso di sostanze tamponanti per rendere liscio il capello riccio, crespo od ondulato. |
KR101678225B1 (ko) * | 2010-12-30 | 2016-11-22 | 주식회사 효성 | 백금계 촉매의 제조 방법 |
KR20150002628A (ko) | 2012-04-17 | 2015-01-07 | 모멘티브 퍼포먼스 머티리얼즈 인크. | 하이드로실릴화 반응을 위한 고 활성 촉매 및 그 제조방법 |
MX2017004663A (es) * | 2014-10-07 | 2017-07-17 | Basf Corp | Sintesis de nanoparticulas de metales preciosos coloidales con tamaño y morfologia controlados. |
CN104795575B (zh) * | 2015-04-01 | 2017-02-22 | 绥化学院 | 一种高活性Co3S4与石墨烯复合电极材料的制备方法 |
WO2019030293A1 (en) * | 2017-08-10 | 2019-02-14 | Shell Internationale Research Maatschappij B.V. | PROCESS FOR PREPARING A CATALYST AND PROCESS FOR PRODUCING 1,4-BUTANEDIOL AND / OR TETRAHYDROFURAN FROM FURANE |
CN110743539B (zh) * | 2019-09-29 | 2022-03-25 | 济南大学 | 一种以雨生红球藻为还原模板剂制备碳铂空心球的方法 |
CN113745553A (zh) * | 2021-08-30 | 2021-12-03 | 太原理工大学 | 一种由ZIF-8熔盐煅烧制备碳载体并合成Pt-Sn催化剂的方法 |
CN114976049B (zh) * | 2022-05-13 | 2024-04-26 | 一汽解放汽车有限公司 | 一种阴极催化剂及其制备方法和应用 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB964913A (en) * | 1961-07-06 | 1964-07-29 | Henri Bernard Beer | A method of chemically plating base layers with precious metals |
US4186110A (en) | 1978-07-03 | 1980-01-29 | United Technologies Corporation | Noble metal-refractory metal alloys as catalysts and method for making |
US5068161A (en) | 1990-03-30 | 1991-11-26 | Johnson Matthey Public Limited Company | Catalyst material |
JPH06106076A (ja) * | 1991-12-04 | 1994-04-19 | Stonehard Assoc Inc | 高分散金属微粒子担持触媒の製造方法 |
DE19721437A1 (de) | 1997-05-21 | 1998-11-26 | Degussa | CO-toleranter Anodenkatalysator für PEM-Brennstoffzellen und Verfahren zu seiner Herstellung |
US6939640B2 (en) * | 2001-09-21 | 2005-09-06 | E. I. Dupont De Nemours And Company | Anode electrocatalysts for coated substrates used in fuel cells |
US20040197638A1 (en) * | 2002-10-31 | 2004-10-07 | Mcelrath Kenneth O | Fuel cell electrode comprising carbon nanotubes |
KR100526407B1 (ko) * | 2003-04-09 | 2005-11-08 | 주식회사 엘지화학 | 연료전지용 백금 전극촉매의 제조방법 |
US7625660B2 (en) * | 2003-12-26 | 2009-12-01 | Hitachi Maxell, Ltd. | Fuel cell and membrane electrode assembly |
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2005
- 2005-12-12 KR KR1020050121882A patent/KR100757585B1/ko active IP Right Grant
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2006
- 2006-08-04 US US11/499,083 patent/US7557057B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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KR100757585B1 (ko) | 2007-09-10 |
US20070135299A1 (en) | 2007-06-14 |
US7557057B2 (en) | 2009-07-07 |
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