KR102661332B1 - 백금 나노입자-금속 산화물 복합체의 제조 방법 - Google Patents
백금 나노입자-금속 산화물 복합체의 제조 방법 Download PDFInfo
- Publication number
- KR102661332B1 KR102661332B1 KR1020210139395A KR20210139395A KR102661332B1 KR 102661332 B1 KR102661332 B1 KR 102661332B1 KR 1020210139395 A KR1020210139395 A KR 1020210139395A KR 20210139395 A KR20210139395 A KR 20210139395A KR 102661332 B1 KR102661332 B1 KR 102661332B1
- Authority
- KR
- South Korea
- Prior art keywords
- platinum
- coating layer
- metal oxide
- platinum nanoparticles
- nanoparticle
- 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.)
- Active
Links
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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
- B01J37/0225—Coating of metal substrates
-
- 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
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/656—Manganese, technetium or rhenium
- B01J23/6562—Manganese
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8906—Iron and noble metals
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
- C01G55/002—Compounds containing ruthenium, rhodium, palladium, osmium, iridium or platinum, with or without oxygen or hydrogen, and containing two or more other elements
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
Abstract
Description
도 2는, 실시예 1 및 2에서 제조한 MnOx/Pt/Al2O3 및 FeOx/Pt/Al2O3와, 비교예의 Pt/Al2O3에 대한 DRFITS 분석 결과를 나타낸 것이다.
도 3은, 실험예 3에 따른 열적 내구성 평가 결과를 나타낸 것이다.
도 4는, 실험예 4에 따른 화학적 내구성 평가 결과를 나타낸 것이다.
도 5는, 실험예 5에 따른 촉매 특성을 평가한 결과를 나타낸 것이다.
800℃ 열처리 후 입자반경 | 입자반경 증가 폭 | |
실시예 1 (MnOx/Pt/Al2O3) | 6.7 nm | 223 % |
비교예 (Pt/Al2O3) | 14.0 nm | 460 % |
카본 침적 양 | |
실시예 1 (MnOx/Pt/Al2O3) | 375 μmol |
비교예 (Pt/Al2O3) | 1,234 μmol |
Claims (10)
- 백금 나노입자 표면에, 원자층 증착법으로 망간 산화물 또는 철 산화물 코팅층을 형성하는 단계(단계 1); 및
상기 코팅층이 형성된 백금 나노입자를 산화 분위기 하에 400 내지 900℃에서 30분 내지 2시간 동안 열처리하는 단계(단계 2)를 포함하는,
백금 나노입자-금속 산화물 복합체의 제조 방법.
- 제1항에 있어서,
상기 백금 나노입자는 직경이 1 nm 내지 20 nm인,
제조 방법.
- 제1항에 있어서,
상기 망간 산화물 또는 철 산화물 코팅층의 두께가 0.3 nm 내지 1.0 nm인,
제조 방법.
- 제1항에 있어서,
상기 단계 1은 25 내지 300℃에서 수행하는,
제조 방법.
- 삭제
- 제1항에 있어서,
상기 산화 분위기는 산소 기체를 포함하는 대기 분위기인,
제조 방법.
- 제6항에 있어서,
상기 산소 기체를 포함하는 대기는 산소를 0.1 % 내지 100 % 포함하는,
제조 방법.
- 삭제
- 제1항 내지 제4항, 제6항, 및 제7항 중 어느 한 항의 제조 방법에 의하여 제조된, 백금 나노입자-금속 산화물 복합체.
- 제9항의 백금 나노입자-금속 산화물 복합체를 포함하는 촉매.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020210139395A KR102661332B1 (ko) | 2021-10-19 | 2021-10-19 | 백금 나노입자-금속 산화물 복합체의 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020210139395A KR102661332B1 (ko) | 2021-10-19 | 2021-10-19 | 백금 나노입자-금속 산화물 복합체의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20230055693A KR20230055693A (ko) | 2023-04-26 |
KR102661332B1 true KR102661332B1 (ko) | 2024-04-26 |
Family
ID=86099602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020210139395A Active KR102661332B1 (ko) | 2021-10-19 | 2021-10-19 | 백금 나노입자-금속 산화물 복합체의 제조 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR102661332B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102305813B1 (ko) * | 2014-05-30 | 2021-09-29 | 한국화학연구원 | 원자층 증착법에 의해 금속산화물이 다공성 지지체 표면에 증착된, 플라즈마에 의한 c―h 결합 활성화 촉매 및 이의 용도 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102335014B1 (ko) * | 2019-05-24 | 2021-12-03 | 한국과학기술원 | 고체 산화물 연료전지용 전극 재료 및 그의 제조방법 |
KR102522111B1 (ko) * | 2020-04-08 | 2023-04-14 | 한화솔루션 주식회사 | 유지 과정이 도입된 ald 공정에 의한 무기막이 증착된 금속 촉매의 제조방법 및 그에 따라 제조된 금속 촉매 |
-
2021
- 2021-10-19 KR KR1020210139395A patent/KR102661332B1/ko active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102305813B1 (ko) * | 2014-05-30 | 2021-09-29 | 한국화학연구원 | 원자층 증착법에 의해 금속산화물이 다공성 지지체 표면에 증착된, 플라즈마에 의한 c―h 결합 활성화 촉매 및 이의 용도 |
Non-Patent Citations (1)
Title |
---|
Journal of Powder Mater Vol.27 No.1 pp.63-71 |
Also Published As
Publication number | Publication date |
---|---|
KR20230055693A (ko) | 2023-04-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2543632B1 (en) | Method for producing aligned carbon nanotube aggregate | |
CN105032385B (zh) | 一种金属氧化物/铂纳米颗粒复合催化剂的制备方法 | |
Rubio et al. | Tungsten incorporation into gallium oxide: Crystal structure, surface and interface chemistry, thermal stability, and interdiffusion | |
KR20050121426A (ko) | 탄소나노튜브 제조용 촉매의 제조 방법 | |
US9296621B2 (en) | Doping and reduction of nanostructures and thin films through flame annealing | |
JP2007281407A (ja) | 正方晶系構造のジルコニウム酸化膜形成方法及びその膜を備えたキャパシタの製造方法 | |
EP1555065A1 (en) | Photocatalyst material and process for producing the same | |
JP5622278B2 (ja) | カーボンナノチューブ配向集合体製造用基材、カーボンナノチューブ配向集合体の製造方法、及びカーボンナノチューブ配向集合体製造用基材の製造方法 | |
KR950003416B1 (ko) | 비표면적이 큰 중금속 탄화물의 표면을 활성화시키는 방법 | |
US10464019B2 (en) | Nickel-based catalyst for low temperature co oxidation prepared using atomic layer deposition and application thereof | |
KR102661332B1 (ko) | 백금 나노입자-금속 산화물 복합체의 제조 방법 | |
CN119750652B (zh) | 一种铁酸盐纳米笼超结构材料及其制备方法和应用 | |
EP4134162A1 (en) | Method for manufacturing metal catalyst having inorganic film deposited thereon by means of ald process into which maintenance step is introduced, and metal catalyst manufactured thereby | |
KR101321100B1 (ko) | 촉매활성금속의 농도가 역전된 촉매 및 그 제조 방법 | |
Ul Haq et al. | Dielectric barrier plasma discharge exsolution of nanoparticles at room temperature and atmospheric pressure | |
KR20200022275A (ko) | 연소파 기반 팔라듐 산화물 복합체의 제조 방법 및 pH 센서의 제조 방법 | |
KR102315375B1 (ko) | 산화물 지지체-나노입자 복합 구조체의 제조 방법 | |
CN107249739B (zh) | 用于形成催化纳米涂层的方法 | |
JP4691688B2 (ja) | 有機無機ハイブリッド薄膜センサ | |
KR20230109576A (ko) | 탄소나노튜브 제조용 촉매의 제조방법 | |
KR102562274B1 (ko) | 유기 금속 전구체 화합물 | |
JP5145603B2 (ja) | 含金属複合構造体及びその製造方法 | |
Maeda et al. | STM observations of organometallic complexes on the TiO2 (1 1 0) and Si (1 1 1) surfaces | |
JP2017128458A (ja) | 酸窒化物微粒子、水分解用光触媒、水素・酸素生成用光触媒電極、水素・酸素生成用光触媒モジュールおよび酸窒化物微粒子の製造方法 | |
KR102674866B1 (ko) | 화학기상증착법을 이용한 메탄 산화이량화용 단원자, 원자 클러스터 또는 단분자 촉매의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20211019 |
|
PA0201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20230421 Patent event code: PE09021S01D |
|
PG1501 | Laying open of application | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20231031 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20230421 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
|
X091 | Application refused [patent] | ||
AMND | Amendment | ||
PX0901 | Re-examination |
Patent event code: PX09011S01I Patent event date: 20231031 Comment text: Decision to Refuse Application Patent event code: PX09012R01I Patent event date: 20230621 Comment text: Amendment to Specification, etc. |
|
PX0701 | Decision of registration after re-examination |
Patent event date: 20240410 Comment text: Decision to Grant Registration Patent event code: PX07013S01D Patent event date: 20240304 Comment text: Amendment to Specification, etc. Patent event code: PX07012R01I Patent event date: 20231031 Comment text: Decision to Refuse Application Patent event code: PX07011S01I Patent event date: 20230621 Comment text: Amendment to Specification, etc. Patent event code: PX07012R01I |
|
X701 | Decision to grant (after re-examination) | ||
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20240423 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20240423 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration |