DE102021118226A1 - Beschichtung und ein Verfahren zum Herstellen von Kern-Schalen-Nanopartikeln - Google Patents

Beschichtung und ein Verfahren zum Herstellen von Kern-Schalen-Nanopartikeln Download PDF

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Publication number
DE102021118226A1
DE102021118226A1 DE102021118226.3A DE102021118226A DE102021118226A1 DE 102021118226 A1 DE102021118226 A1 DE 102021118226A1 DE 102021118226 A DE102021118226 A DE 102021118226A DE 102021118226 A1 DE102021118226 A1 DE 102021118226A1
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Prior art keywords
oxide
coating
shell
core
iridium
Prior art date
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Pending
Application number
DE102021118226.3A
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German (de)
English (en)
Inventor
Marc Ledendecker
Daniel Göhl
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Technische Universitaet Darmstadt
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Technische Universitaet Darmstadt
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Publication date
Application filed by Technische Universitaet Darmstadt filed Critical Technische Universitaet Darmstadt
Priority to DE102021118226.3A priority Critical patent/DE102021118226A1/de
Priority to PCT/EP2022/069681 priority patent/WO2023285568A2/fr
Publication of DE102021118226A1 publication Critical patent/DE102021118226A1/de
Pending legal-status Critical Current

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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
    • 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
    • C25B11/052—Electrodes comprising one or more electrocatalytic coatings on a substrate
    • C25B11/053—Electrodes comprising one or more electrocatalytic coatings on a substrate characterised by multilayer electrocatalytic coatings
    • 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
    • C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
    • C25B11/057—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material consisting of a single element or compound
    • C25B11/067—Inorganic compound e.g. ITO, silica or titania
    • 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
    • C25B11/075—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
    • C25B11/077—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound the compound being a non-noble metal oxide
    • 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
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
    • 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
    • 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
    • H01M4/9075—Catalytic material supported on carriers, e.g. powder carriers
    • 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
    • H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
    • 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
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • 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
    • H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
    • H01M8/184—Regeneration by electrochemical means
    • H01M8/186—Regeneration by electrochemical means by electrolytic decomposition of the electrolytic solution or the formed water product
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
DE102021118226.3A 2021-07-14 2021-07-14 Beschichtung und ein Verfahren zum Herstellen von Kern-Schalen-Nanopartikeln Pending DE102021118226A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102021118226.3A DE102021118226A1 (de) 2021-07-14 2021-07-14 Beschichtung und ein Verfahren zum Herstellen von Kern-Schalen-Nanopartikeln
PCT/EP2022/069681 WO2023285568A2 (fr) 2021-07-14 2022-07-13 Enrobage et procédé de fabrication de nanoparticules coeur-coquille

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021118226.3A DE102021118226A1 (de) 2021-07-14 2021-07-14 Beschichtung und ein Verfahren zum Herstellen von Kern-Schalen-Nanopartikeln

Publications (1)

Publication Number Publication Date
DE102021118226A1 true DE102021118226A1 (de) 2023-01-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE102021118226.3A Pending DE102021118226A1 (de) 2021-07-14 2021-07-14 Beschichtung und ein Verfahren zum Herstellen von Kern-Schalen-Nanopartikeln

Country Status (2)

Country Link
DE (1) DE102021118226A1 (fr)
WO (1) WO2023285568A2 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100216632A1 (en) 2009-02-25 2010-08-26 Brookhaven Science Associates, Llc High Stability, Self-Protecting Electrocatalyst Particles
US20140349203A1 (en) 2011-12-22 2014-11-27 Umicore Ag & Co. Kg Electrocatalyst for fuel cells and method for producing said electrocatalyst
US20170128917A1 (en) 2015-11-06 2017-05-11 Massachusetts Institute Of Technology Noble metal monolayer shell coatings on transition metal ceramic nanoparticle cores
US20190379058A1 (en) 2016-10-28 2019-12-12 Basf Se Electrocatalyst composition comprising noble metal oxide supported on tin oxide
EP3940116A1 (fr) 2020-07-13 2022-01-19 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Procédé de fourniture d'un substrat pour une cellule électrochimique avec un matériau catalytique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100216632A1 (en) 2009-02-25 2010-08-26 Brookhaven Science Associates, Llc High Stability, Self-Protecting Electrocatalyst Particles
US20140349203A1 (en) 2011-12-22 2014-11-27 Umicore Ag & Co. Kg Electrocatalyst for fuel cells and method for producing said electrocatalyst
US20170128917A1 (en) 2015-11-06 2017-05-11 Massachusetts Institute Of Technology Noble metal monolayer shell coatings on transition metal ceramic nanoparticle cores
US20190379058A1 (en) 2016-10-28 2019-12-12 Basf Se Electrocatalyst composition comprising noble metal oxide supported on tin oxide
EP3940116A1 (fr) 2020-07-13 2022-01-19 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Procédé de fourniture d'un substrat pour une cellule électrochimique avec un matériau catalytique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HONG Lv, SEN Wang, JIAKUN Li et al.: Self-assembled RuO2@IrOx core-shell nanocomposite als high efficient anode catalyst for PEM water electrolyzer. In: Applied Surface Science, 2020, 145943.

Also Published As

Publication number Publication date
WO2023285568A3 (fr) 2023-03-16
WO2023285568A2 (fr) 2023-01-19

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