Slanac et al., 2012 - Google Patents

Atomic ensemble and electronic effects in Ag-rich AgPd nanoalloy catalysts for oxygen reduction in alkaline media

Slanac et al., 2012

View PDF
Document ID
9416364351071282341
Author
Slanac D
Hardin W
Johnston K
Stevenson K
Publication year
Publication venue
Journal of the American Chemical Society

External Links

Snippet

The ability to design and characterize uniform, bimetallic alloy nanoparticles, where the less active metal enhances the activity of the more active metal, would be of broad interest in catalysis. Herein, we demonstrate that simultaneous reduction of Ag and Pd precursors …
Continue reading at pmc.ncbi.nlm.nih.gov (PDF) (other versions)

Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL 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
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL 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
    • H01M4/9083—Catalytic material supported on carriers, e.g. powder carriers on carbon or graphite
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL 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
    • H01M4/923—Compounds thereof with non-metallic elements
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
    • H01M4/8668—Binders
    • 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 GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/50—Fuel cells
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of or comprising active material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, 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
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/462—Ruthenium

Similar Documents

Publication Publication Date Title
Slanac et al. Atomic ensemble and electronic effects in Ag-rich AgPd nanoalloy catalysts for oxygen reduction in alkaline media
Xie et al. Enhanced ORR kinetics on Au-Doped Pt–Cu porous films in alkaline media
Lu et al. Strongly coupled Pd nanotetrahedron/tungsten oxide nanosheet hybrids with enhanced catalytic activity and stability as oxygen reduction electrocatalysts
Scofield et al. Tailoring the composition of ultrathin, ternary alloy PtRuFe nanowires for the methanol oxidation reaction and formic acid oxidation reaction
Liu et al. Structural and electrochemical studies of Pt clusters supported on high-surface-area tungsten carbide for oxygen reduction
Slanac et al. Bifunctional catalysts for alkaline oxygen reduction reaction via promotion of ligand and ensemble effects at Ag/MnO x nanodomains
Roca-Ayats et al. TiC, TiCN, and TiN supported Pt electrocatalysts for CO and methanol oxidation in acidic and alkaline media
Bampos et al. Comparison of the activity of Pd–M (M: Ag, Co, Cu, Fe, Ni, Zn) bimetallic electrocatalysts for oxygen reduction reaction
Crisafulli et al. On the promotional effect of Cu on Pt for hydrazine electrooxidation in alkaline medium
Barbosa et al. Pt-decorated TiO2 materials supported on carbon: increasing activities and stabilities toward the ORR by tuning the Pt loading
Fathirad et al. Bimetallic Pd–Mo nanoalloys supported on Vulcan XC-72R carbon as anode catalysts for direct alcohol fuel cell
Sebastián et al. The effect of carbon nanofiber properties as support for PtRu nanoparticles on the electrooxidation of alcohols
Hu et al. Preparation of PtRu/C core–shell catalyst with polyol method for alcohol oxidation
Wang et al. Synthesis of Ni–Ir nanocages with improved electrocatalytic performance for the oxygen evolution reaction
Godoi et al. Effects of alloyed and oxide phases on methanol oxidation of Pt− Ru/C nanocatalysts of the same particle size
Roca-Ayats et al. PtSn nanoparticles supported on titanium carbonitride for the ethanol oxidation reaction
Du et al. Generation of Pd–O for promoting electrochemical H2O2 production
Du et al. Hollow Rh nanoparticles with nanoporous shell as efficient electrocatalyst for hydrogen evolution reaction
Qiu et al. Boosting oxygen reduction performances in Pd-based metallenes by co-confining interstitial H and p-block single atoms
Sieben et al. Methanol and ethanol oxidation on carbon supported nanostructured Cu core Pt–Pd shell electrocatalysts synthesized via redox displacement
He et al. Highly stable Pt–Au@ Ru/C catalyst nanoparticles for methanol electro-oxidation
Bhalothia et al. Programming ORR activity of Ni/NiO x@ Pd electrocatalysts via controlling depth of surface-decorated atomic Pt clusters
Kim et al. The plasma-assisted formation of Ag@ Co3O4 core-shell hybrid nanocrystals for oxygen reduction reaction
Karuppasamy et al. Low-and high-index faceted pd nanocrystals embedded in various oxygen-deficient WO x nanostructures for electrocatalytic oxidation of alcohol (EOA) and carbon monoxide (CO)
Hu et al. Microwave-assisted synthesis of double-shell PtRu/TiO2 catalyst towards methanol electro-oxidation