Abstract
Comparative electrocatalytic behavior of functionalized multiwalled carbon nanotubes (fMWCNTs) electrodecorated with Pt/Ru nanoparticles towards the oxidation of methanol (MeOH), ethylene glycol (EG) and formic acid (FA) has been investigated. The catalytic current density decreased approximately as MeOH≈EG gt; FA. Result revealed that BPPGE-fMWCNT-Pt/Ru tolerates CO poisoning for FA electrooxidation than when used for the oxidation of the EG or MeOH. Electrochemical impedance spectra are dependent on the oxidation potentials, with equivalent circuit models characteristic of adsorption-controlled charge transfer kinetics. The results provide important insights into the electrochemical response of these small organic molecules useful in fuel cell technology.
| Original language | English |
|---|---|
| Pages (from-to) | 519-529 |
| Number of pages | 11 |
| Journal | Electroanalysis |
| Volume | 22 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - Mar 2010 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Adsorption-controlled kinetics
- Cyclic voltammetry
- Electrocatalytic oxidation
- Impedance spectroscopy
- MWCNT-Pt/Ru nanoparticles
- Nanoparticles
- Small organic molecules
ASJC Scopus subject areas
- Analytical Chemistry
- Electrochemistry
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