Ultra-dispersed nano platinum particles as well as suspension preparation method and application thereof
The invention provides ultra-dispersed nano platinum particles as well as a suspension preparation method and application thereof, and relates to the technical field of nano particle preparation. The suspension preparation method of the ultra-dispersed nano platinum particles provided by the invention comprises the following steps: mixing a platinum salt solution with a dispersant solution to obtain a precursor dispersion liquid; under the action of a non-contact ultrasonic field, placing the precursor dispersion liquid at a sound pressure node to obtain a precursor suspension; and adding a reducing agent solution into the precursor suspension, and carrying out a reduction reaction in a suspended state to obtain the ultra-dispersed nano platinum particles. Due to the influence of the ultrasonic field on the suspension droplets, heterogeneous nucleation and growth of platinum particles can be well avoided, so that nano platinum particles which are smaller in size and more uniformly dispersed are obtained, the reaction rate is higher, and the catalytic capability is higher..
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Patent| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Europäisches Patentamt - (2023) vom: 14. Juli Zur Gesamtaufnahme - year:2023 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
RUAN YING [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| Anmerkungen: |
Source: www.epo.org (no modifications made), First posted: 2023-07-14, Last update posted on www.tib.eu: 2024-01-16, Last updated: 2024-01-19 |
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| Patentnummer: |
CN116422875 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
EPA018163130 |
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| 245 | 1 | 0 | |a Ultra-dispersed nano platinum particles as well as suspension preparation method and application thereof |
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| 500 | |a Source: www.epo.org (no modifications made), First posted: 2023-07-14, Last update posted on www.tib.eu: 2024-01-16, Last updated: 2024-01-19 | ||
| 520 | |a The invention provides ultra-dispersed nano platinum particles as well as a suspension preparation method and application thereof, and relates to the technical field of nano particle preparation. The suspension preparation method of the ultra-dispersed nano platinum particles provided by the invention comprises the following steps: mixing a platinum salt solution with a dispersant solution to obtain a precursor dispersion liquid; under the action of a non-contact ultrasonic field, placing the precursor dispersion liquid at a sound pressure node to obtain a precursor suspension; and adding a reducing agent solution into the precursor suspension, and carrying out a reduction reaction in a suspended state to obtain the ultra-dispersed nano platinum particles. Due to the influence of the ultrasonic field on the suspension droplets, heterogeneous nucleation and growth of platinum particles can be well avoided, so that nano platinum particles which are smaller in size and more uniformly dispersed are obtained, the reaction rate is higher, and the catalytic capability is higher. | ||
| 650 | 4 | |a B01J: Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus | |
| 650 | 4 | |a mas | |
| 650 | 4 | |a phy | |
| 650 | 4 | |a B22F: Working metallic powder; manufacture of articles from metallic powder; making metallic powder (making alloys by powder metallurgy c22c); apparatus or devices specially adapted for metallic powder | |
| 650 | 4 | |a che | |
| 650 | 4 | |a B82Y: Specific uses or applications of nanostructures; measurement or analysis of nanostructures; manufacture or treatment of nanostructures | |
| 650 | 4 | |a cet | |
| 650 | 4 | |a C07C: Acyclic or carbocyclic compounds (macromolecular compounds c08;production of organic compounds by electrolysis or electrophoresis c25b0003000000, c25b0007000000) | |
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