[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Xie et al., 2014 - Google Patents

Atomic layer-by-layer deposition of Pt on Pd nanocubes for catalysts with enhanced activity and durability toward oxygen reduction

Xie et al., 2014

View PDF
Document ID
10722448989809671400
Author
Xie S
Choi S
Lu N
Roling L
Herron J
Zhang L
Park J
Wang J
Kim M
Xie Z
Mavrikakis M
Xia Y
Publication year
Publication venue
Nano letters

External Links

Snippet

An effective strategy for reducing the Pt content while retaining the activity of a Pt-based catalyst is to deposit the Pt atoms as ultrathin skins of only a few atomic layers thick on nanoscale substrates made of another metal. During deposition, however, the Pt atoms often …
Continue reading at www.osti.gov (PDF) (other versions)

Classifications

    • 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
    • H01M4/86—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
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M2008/1095—Fuel cells with polymeric electrolytes
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL 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]

Similar Documents

Publication Publication Date Title
Xie et al. Atomic layer-by-layer deposition of Pt on Pd nanocubes for catalysts with enhanced activity and durability toward oxygen reduction
Becknell et al. Control of architecture in rhombic dodecahedral Pt–Ni nanoframe electrocatalysts
Ma et al. Synthesis of low Pt-based quaternary PtPdRuTe nanotubes with optimized incorporation of Pd for enhanced electrocatalytic activity
Li et al. Lavender-like Ga-doped Pt3Co nanowires for highly stable and active electrocatalysis
Zhang et al. Monodisperse core/shell Ni/FePt nanoparticles and their conversion to Ni/Pt to catalyze oxygen reduction
Guo et al. Nanocatalyst superior to Pt for oxygen reduction reactions: the case of core/shell Ag (Au)/CuPd nanoparticles
Park et al. Atomic layer-by-layer deposition of platinum on palladium octahedra for enhanced catalysts toward the oxygen reduction reaction
Bu et al. PtPb/PtNi intermetallic core/atomic layer shell octahedra for efficient oxygen reduction electrocatalysis
He et al. Ultrathin icosahedral Pt-enriched nanocage with excellent oxygen reduction reaction activity
Wang et al. Pt-based icosahedral nanocages: using a combination of {111} facets, twin defects, and ultrathin walls to greatly enhance their activity toward oxygen reduction
Wu et al. Low Pt-content ternary PtNiCu nanoparticles with hollow interiors and accessible surfaces as enhanced multifunctional electrocatalysts
Xu et al. Morphological and interfacial control of platinum nanostructures for electrocatalytic oxygen reduction
Choi et al. Synthesis and characterization of 9 nm Pt–Ni octahedra with a record high activity of 3.3 A/mgPt for the oxygen reduction reaction
Strickler et al. Active and stable Ir@ Pt core–shell catalysts for electrochemical oxygen reduction
Porter et al. Shape-control and electrocatalytic activity-enhancement of Pt-based bimetallic nanocrystals
Alia et al. Platinum-coated palladium nanotubes as oxygen reduction reaction electrocatalysts
Chen et al. Geometrically controlled nanoporous PdAu bimetallic catalysts with tunable Pd/Au ratio for direct ethanol fuel cells
Shao et al. Pt monolayer on porous Pd− Cu alloys as oxygen reduction electrocatalysts
Wang et al. Multimetallic Au/FePt3 nanoparticles as highly durable electrocatalyst
Abeyweera et al. Hierarchically 3D porous Ag nanostructures derived from silver benzenethiolate nanoboxes: Enabling CO2 reduction with a near-unity selectivity and mass-specific current density over 500 A/g
Xing et al. Enhancing oxygen reduction reaction activity via Pd− Au alloy sublayer mediation of Pt monolayer electrocatalysts
Lee et al. Localized Pd overgrowth on cubic Pt nanocrystals for enhanced electrocatalytic oxidation of formic acid
Kakade et al. Highly active bimetallic PdPt and CoPt nanocrystals for methanol electro-oxidation
Choi et al. Composition-controlled PtCo alloy nanocubes with tuned electrocatalytic activity for oxygen reduction
Pavlišič et al. Atomically resolved dealloying of structurally ordered Pt nanoalloy as an oxygen reduction reaction electrocatalyst