KR102457845B1 - 백금 단일원자 촉매 및 이의 용도 - Google Patents
백금 단일원자 촉매 및 이의 용도 Download PDFInfo
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- KR102457845B1 KR102457845B1 KR1020150170751A KR20150170751A KR102457845B1 KR 102457845 B1 KR102457845 B1 KR 102457845B1 KR 1020150170751 A KR1020150170751 A KR 1020150170751A KR 20150170751 A KR20150170751 A KR 20150170751A KR 102457845 B1 KR102457845 B1 KR 102457845B1
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- platinum
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- nanoparticles
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims abstract description 238
- 229910052697 platinum Inorganic materials 0.000 title claims abstract description 112
- 239000003054 catalyst Substances 0.000 title claims abstract description 64
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 56
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 24
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 21
- 230000003647 oxidation Effects 0.000 claims description 14
- 235000019253 formic acid Nutrition 0.000 claims description 11
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 10
- 239000002105 nanoparticle Substances 0.000 abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 14
- 239000001301 oxygen Substances 0.000 abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 13
- 239000000446 fuel Substances 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 36
- 125000004429 atom Chemical group 0.000 description 34
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- 230000009257 reactivity Effects 0.000 description 15
- 238000006722 reduction reaction Methods 0.000 description 15
- 238000004458 analytical method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 230000003993 interaction Effects 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 238000000192 extended X-ray absorption fine structure spectroscopy Methods 0.000 description 6
- 238000006356 dehydrogenation reaction Methods 0.000 description 5
- 238000005470 impregnation Methods 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000004998 X ray absorption near edge structure spectroscopy Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 230000037361 pathway Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000003775 Density Functional Theory Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 229910021397 glassy carbon Inorganic materials 0.000 description 3
- 238000000731 high angular annular dark-field scanning transmission electron microscopy Methods 0.000 description 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012974 tin catalyst Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002848 electrochemical method Methods 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910015189 FeOx Inorganic materials 0.000 description 1
- 229920000557 Nafion® Polymers 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 208000002474 Tinea Diseases 0.000 description 1
- 241000893966 Trichophyton verrucosum Species 0.000 description 1
- 238000002056 X-ray absorption spectroscopy Methods 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000002194 amorphous carbon material Substances 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000002525 ultrasonication Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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Classifications
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Catalysts (AREA)
Abstract
Description
도 2는 HAADF-STEM 이미지 및 EXAFS 분석을 통한 백금 단일원자 촉매 분석결과를 보여준다.
도 3은 촉매의 EXAFS 및 XANES 분석결과를 보여준다.
도 4는 전기화학적 방법을 통한 과산화수소 생성반응의 선택도를 보여준다(빨간색으로 나타낸 것이 0.35% Pt/TiN).
도 5는 5% Pt/TiN의 HR-TEM 이미지를 보여준다.
도 6은 2% Pt/TiN의 HAADF-STEM 이미지와 HR-TEM 이미지를 보여준다.
도 7은 5% Pt NP/TiN의 HR-TEM 이미지를 보여준다.
도 8은 5 wt% Pt/TiN(a), 5 wt% Pt NP/TiN(b) 및 20 wt% Pt/C(c)의 크기 분포 히스토그램을 보여준다.
도 9는 Tin 담체의 전기촉매 특성을 보여준다.
도 10은 백금 단일원자 촉매(0.35 wt% Pt/TiN)의 안정성 테스트 결과를 보여준다.
도 11은 0.35 wt%, 2 wt% 및 5 wt% Pt/TiN의 포름산 산화반응(a) 및 메탄올 산화반응(b) 분석결과를 보여준다.
Claims (3)
- 질화티타늄을 포함하는 촉매 담체; 및 상기 촉매 담체 상에 단일 원자 형태로 분산되어 담지된 백금(Pt)을 포함하고, 상기 백금의 담지량이 촉매 담체의 중량과 백금의 중량의 합을 기준으로 0.1 중량% 내지 1.5 중량%인, 과산화수소 생산용 또는 포름산 산화반응용 촉매.
- 제 1 항에 있어서, 상기 백금의 담지량은 촉매 담체의 중량과 백금의 중량의 합을 기준으로 0.2 중량% 내지 1.0 중량%인 것을 특징으로 하는 촉매.
- 삭제
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KR20170065065A KR20170065065A (ko) | 2017-06-13 |
KR102457845B1 true KR102457845B1 (ko) | 2022-10-25 |
KR102457845B9 KR102457845B9 (ko) | 2024-03-13 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101976007B1 (ko) * | 2017-09-27 | 2019-05-09 | 한국과학기술원 | 메탄올 직접 전환용 귀금속 담지 촉매, 그 제조방법 및 이를 이용한 메탄올 제조방법 |
KR102188585B1 (ko) | 2019-01-18 | 2020-12-09 | 한국과학기술연구원 | 금속 단일 원자 촉매 및 이의 제조방법 |
KR102342524B1 (ko) * | 2020-03-04 | 2021-12-23 | 서울대학교산학협력단 | 단일 원자 촉매 및 그 형성 방법 |
KR102391273B1 (ko) | 2020-06-23 | 2022-04-27 | 한국과학기술원 | 백금 단일 원자 촉매 및 이의 제조 방법 |
CN112064084B (zh) * | 2020-08-06 | 2022-10-25 | 陕西科技大学 | 金属单原子亚氧化钛电极的制备方法 |
KR102604417B1 (ko) * | 2021-05-28 | 2023-11-22 | 포항공과대학교 산학협력단 | 산소발생반응용 p-d 오비탈 혼성 형태의 단일금속원자촉매의 제조방법 |
CN114959792B (zh) * | 2022-05-30 | 2023-08-29 | 北京化工大学 | 一种单原子Pt催化剂的制备方法及其析氢应用 |
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KR101220199B1 (ko) | 2009-05-16 | 2013-01-09 | 페트라트론 아이엔씨 | 물로부터 직접 과산화수소의 전기분해 합성 및 이의 응용 |
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KR102457845B9 (ko) | 2024-03-13 |
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