Electrocatalytic oxidation of carbon monoxide at lower potentials on platinum-based alloys incorporated in polyaniline

Napporn, W.T.; Léger, Jean‐Michel; Lamy, C.

doi:10.1016/0022-0728(96)04543-3

Cited by 85 publications

(38 citation statements)

References 18 publications

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“…According to literature [18,[36][37][38][39][40][41][42][43][44], Sn favors the low potential oxidation of CO and CO-like intermediates formed during the chemical adsorption of methanol and ethanol. Therefore, tin improves the electro-oxidation of methanol and ethanol at lower potentials and increases the reaction rate.…”

Section: Resultsmentioning

confidence: 99%

Performance comparison of low-temperature direct alcohol fuel cells with different anode catalysts

Zhou

Zhou²,

et al. 2004

Journal of Power Sources

281

196

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Section: Resultsmentioning

confidence: 99%

Performance comparison of low-temperature direct alcohol fuel cells with different anode catalysts

Zhou

Zhou²,

et al. 2004

Journal of Power Sources

281

196

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“…This value is in good agreement with those reported for similar polymers but estimated by other methods [34,42,43] . This value corresponds to an equivalent amount of platinum of 0.1 mg cm -2 when platinum is considered as the only metal deposited [44].…”

Section: Electrode Preparationmentioning

confidence: 99%

Electrocatalytic Oxidation of Methanol at Lower Potentials on Glassy Carbon Electrode Modified by Platinum and Platinum Alloys Incorporated in Poly(o‐Aminophenol) Film

Golabi

Nozad

2003

Electroanalysis

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The electrocatalytic oxidation of methanol at a glassy carbon electrode modified by a thin film of poly(oaminophenol) (PoAP) containing Pt, Pt-Ru and Pt-Sn microparticles has been investigated using cyclic voltammetry as analytical technique and 0.10 M perchloric acid as supporting electrolyte. It has been shown that the presence of PoAP film increases considerably the efficiency of deposited Pt microparticles toward the oxidation of methanol. The catalytic activity of Pt particles is further enhanced when Ru or specially Sn is co-deposited in the polymer film. The effects of various parameters such as the thickness of polymer film, concentration of methanol, medium temperature as well as the long term stability of modified electrodes have also been investigated.

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“…It is also a byproduct of the electro-oxidation of small organic molecules. For both anodic electrochemical processes, bimetallic catalysts have been generated by the deposition of sub-monolayer amounts of other transition metals on well defined platinum surfaces [24,26], by alloys [17,18,21,33], or via colloidal chemistry [23,34], on highly dispersed carbon supported particles in the nanoscale range [5±9, 25,27,28,30,31]. Carbon supported Pt±Sn and Pt±Ru catalysts have been shown to be the best candidates for the electrochemical oxidation of carbon monoxide, and methanol, respectively.…”

Section: Introductionmentioning

confidence: 99%

Electro‐oxidation of Carbon Monoxide and Methanol on Carbon‐Supported Pt–Sn Nanoparticles: a DEMS Study

et al. 2002

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A comparative study between carbon supported Platinum–Tin (Pt–Snsyn), synthesized via the carbonyl route, and the commercial (Pt3Sn) from E–TEK is reported. The electro‐oxidation of methanol and adsorbed CO, in sulphuric acid medium, were used as probes to evaluate the performance of these electrocatalysts. In‐line differential mass spectrometry (DEMS) was used for this purpose. Both nanoparticulate materials had a mean particle size of = 1.68 ± 0.72 nm, and = 3.58 ± 1.94 nm, respectively. It is demonstrated that, under the same experimental conditions, our homemade Pt–Snsyn is less sensitive to poisoning by CO. This observation was again verified during the oxidation of methanol. These results are discussed in terms of the local disorder of the particles surface atoms, favourably induced by size effect and the preparation route employed.

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Electrocatalytic oxidation of carbon monoxide at lower potentials on platinum-based alloys incorporated in polyaniline

Cited by 85 publications

References 18 publications

Performance comparison of low-temperature direct alcohol fuel cells with different anode catalysts

Performance comparison of low-temperature direct alcohol fuel cells with different anode catalysts

Electrocatalytic Oxidation of Methanol at Lower Potentials on Glassy Carbon Electrode Modified by Platinum and Platinum Alloys Incorporated in Poly(o‐Aminophenol) Film

Electro‐oxidation of Carbon Monoxide and Methanol on Carbon‐Supported Pt–Sn Nanoparticles: a DEMS Study

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