Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Ru-decorated Pt surfaces as model fuel cell electrocatalysts for CO electrooxidation.

F Maillard1, G-Q Lu, A Wieckowski

  • 1Laboratoire d'Electrochimie et de Physicochimie des Matériaux et des Interfaces, UMR CNRS 5631, ENSEEG, BP75, 38402 Saint Martin d'Hères, France.

The Journal of Physical Chemistry. B
|July 21, 2006
PubMed
Summary

Ruthenium-decorated platinum surfaces enhance electrocatalytic activity for fuel cells, particularly in oxidizing carbon monoxide (CO) to carbon dioxide (CO2). This review examines CO surface mobility and oxidation mechanisms on these advanced bimetallic catalysts.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Correction: Gut barrier-microbiota imbalances in early life lead to higher sensitivity to inflammation in a murine model of C-section delivery.

Microbiome·2023
Same author

Gut barrier-microbiota imbalances in early life lead to higher sensitivity to inflammation in a murine model of C-section delivery.

Microbiome·2023
Same author

High-intensity interval training is more effective than moderate-intensity continuous training in reducing abdominal fat mass in postmenopausal women with type 2 diabetes: A randomized crossover study.

Diabetes & metabolism·2018
Same author

Insights into the mechanism of electrocatalysis of the oxygen reduction reaction by a porphyrinic metal organic framework.

Chemical communications (Cambridge, England)·2017
Same author

High-intensity interval training reduces abdominal fat mass in postmenopausal women with type 2 diabetes.

Diabetes & metabolism·2016
Same author

The effect of silencing arginine kinase by RNAi on the larval development of Helicoverpa armigera.

Bulletin of entomological research·2015

Area of Science:

  • Materials Science
  • Electrochemistry
  • Catalysis

Background:

  • Platinum (Pt) is a key electrocatalyst in fuel cells, but its activity for organic fuel oxidation can be limited.
  • Ruthenium (Ru) is known to promote the electrocatalytic activity of Pt surfaces.
  • Understanding the role of Ru promoters is crucial for developing efficient fuel cell electrocatalysts.

Purpose of the Study:

  • To review the role of ruthenium promoters in enhancing electrocatalytic activity of platinum surfaces for organic fuel electrooxidation.
  • To focus on the surface mobility and catalytic oxidation of carbon monoxide (CO), a methanol decomposition product.
  • To discuss preparation, characterization, and activity testing methods for Ru-decorated Pt catalysts.

Main Methods:

  • Review of literature on Ru-decorated Pt single crystal and nanoparticle preparation.

Related Experiment Videos

  • Discussion of characterization techniques for these bimetallic surfaces.
  • Analysis of CO electrooxidation voltammetry and CO stripping reaction models.

    • Main Results:

    • Ruthenium decoration enhances electrocatalytic activity of Pt for organic fuel oxidation.
    • Surface mobility and oxidation of CO to CO2 on Ru-Pt surfaces are critical.
    • Peak splitting in CO voltammetry provides insights into CO stripping mechanisms on bimetallic surfaces.

    Conclusions:

    • Ru-decorated Pt surfaces show promise as advanced fuel cell electrocatalysts.
    • Further research should focus on nanoscale materials and multi-metal systems for enhanced catalytic performance.
    • Theoretical and experimental investigations at atomic and electronic levels are essential for future developments.