Cited by 109Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceFuel Cells and Related Materials

Electrocatalytic oxidation of small organic molecules in acid medium: Enhancement of activity of noble metal nanoparticles and their alloys by supporting or modifying them with metal oxides

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Kulesza, Pawel J., Pieta, Izabela S., Rutkowska, Iwona A., Wadas, Anna, Marks, Diana, Klak, Karolina, Stobinski, Leszek, Cox, James A.·2013·Electrochimica Acta

Abstract

Different approaches to enhancement of electrocatalytic activity of noble metal nanoparticles during oxidation of small organic molecules (namely potential fuels for low-temperature fuel cells such as methanol, ethanol and formic acid) are described. A physical approach to the increase of activity of catalytic nanoparticles (e.g. platinum or palladium) involves nanostructuring to obtain highly dispersed systems of high surface area. Recently, the feasibility of enhancing activity of noble metal systems through the formation of bimetallic (e.g. PtRu, PtSn, and PdAu) or even more complex (e.g. PtRuW, PtRuSn) alloys has been demonstrated. In addition to possible changes in the electronic properties of alloys, specific interactions between metals as well as chemical reactivity of the added components have been postulated. We address and emphasize here the possibility of utilization of noble metal and alloyed nanoparticles supported on robust but reactive high surface area metal oxides (e.g. WO 3, MoO 3, TiO 2, ZrO 2, V 2 O 5, and CeO 2) in oxidative electrocatalysis. This paper concerns the way in which certain inorganic oxides and oxo species can act effectively as supports for noble metal nanoparticles or their alloys during electrocatalytic oxidation of hydrogen and representative organic fuels. Among important issues are possible changes in the morphology and dispersion, as well as specific interactions leading to the improved chemisorptive and catalytic properties in addition to the feasibility of long time operation of the discussed systems.

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Crossref · 10.1016/j.electacta.2013.06.052

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  • Carbon-supported Pt-alloy systems are known as solid solutions of Pt and other metal(s), among which carbon-supported Pt-based bimetallic alloys are popular electrocatalysts in PEMFCs.

    “Carbon-supported Pt-alloy systems are known as solid solutions of Pt and other metal(s), among which carbonsupported Pt-based bimetallic alloys are popular electrocatalysts in PEMFCs.13,57,396,397”

    From Carbon-Supported Pt-Based Alloy Electrocatalysts for the Oxygen Reduction Reaction in Polymer Electrolyte Membrane Fuel Cells: Particle Size, Shape, and Composition Manipulation and Their Impact to Activity (2015) · cites this paper as [397]

    Section 4 says Pt and Ru can form a solid solution in a binary alloy, depending on their ratio; it does not say that Pt alloys generally are solid solutions. Sections 1 and 3 discuss Pt-based bimetallic electrocatalysts for fuel-cell reactions, but do not establish that carbon-supported Pt-based bimetallic alloys are popular in PEMFCs. Section 7 discusses a carbon-supported Pt–ceria material for PEMFCs, not a bimetallic alloy. (LLM, conf=0.86)

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  1. [60]Ferrell JR III Kuo MC Turner AJ Herring AM Weidner J Zaghib K Dudney N Minteer S Heteropoly acid as co-catalysts with platinum on the anode of a direct methanol fuel cell Electrochemistry of Novel Electrode Materials for Energy Conversion and Storage: ECS Transactions 6, The Electrochemical Society 2008 319 327

Authors
Kulesza, P. J., Pieta, I. S., Rutkowska, I. A., Wadas, A., Marks, D., Klak, K., Stobinski, L., & Cox, J. A.
Affiliations
  • University of Warsaw (PL)
  • Miami University (US)
Corresponding author
Cox, James A.
Venue
Electrochimica Acta
Publisher
Elsevier BV
Published
2013-11
Volume
110
Pages
474-483
ISSN
0013-4686 (ISSN-L)
OpenAlex
W2036782576
Cited by
109
References
114
Citations by year
2026: 2 · 2025: 6 · 2024: 2 · 2023: 10 · 2022: 4 · 2021: 7 · 2020: 13 · 2019: 6 · 2018: 12 · 2017: 10 · 2016: 13 · 2015: 12 · 2014: 11 · 2013: 1
FWCI
4.48
Type
journal article
Language
en
Open access
Locations
  • Electrochimica Acta (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Science Center, Poland
  • U.S. National Institutes of Health (R15GM087662-01)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
Keywords
electrocatalytic oxidation, noble metal nanoparticles, bimetallic alloys, metal oxide supports, methanol oxidation, ethanol oxidation, formic acid oxidation, low-temperature fuel cells, platinum, palladium, PtRu alloy, PtSn alloy, Au-Pd alloys, nanostructuring, metal-support interaction, chemisorption, acid medium

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