Journal ArticleDOI
Electrocatalytic Oxidation of Methanol and Related Chemical Species on Ultrafine Pt and PtRu Particles Supported on Carbon
Reads0
Chats0
TLDR
In this paper, a co-impregnation method was used to obtain well-homogenized PtRu/C electrocatalysts with high specific activity for methanol electro-oxidation.Citations
More filters
Journal ArticleDOI
Electrocatalytic activity of binary and ternary composite films of Pd, MWCNT and Ni, Part II: Methanol electrooxidation in 1 M KOH
TL;DR: In this paper, a ternary composite films of Pd, multiwalled carbon nanotubes (MWCNTs) and Ni have been obtained on glassy carbon electrodes and investigated for electrocatalysis of methanol oxidation in 1M KOH.
Journal ArticleDOI
Kinetics of CH3OH oxidation on PtRu/C studied by impedance and CO stripping voltammetry
TL;DR: In this article, the reaction rate of the overall CH3OH oxidation increased with increasing electrode potential for both Pt/C and PtRu/C, when the electrode potential was E −⩽-450 mV vs. RHE.
Journal ArticleDOI
Electro-deposition on carbon black and carbon nanotubes of Pt nanostructured catalysts for methanol oxidation
C. Paoletti,Alessia Cemmi,L. Giorgi,Rossella Giorgi,Luciano Pilloni,Emanuele Serra,Mauro Pasquali +6 more
TL;DR: An electrochemical method for the Pt nanoparticles deposition on porous and high surface carbon substrates (carbon black and carbon nanotubes), as an alternative way to prepare gas diffusion electrodes for polymer electrolyte fuel cells (PEFCs), is described in this article.
Journal ArticleDOI
Temperature dependence of the oxidation of carbon monoxide on carbon supported Pt, Ru, and PtRu
TL;DR: In this paper, the temperature dependence of the oxidation of pre-adsorbed carbon monoxide (CO ad ) on carbon supported platinum, ruthenium and platinum-ruthensium alloy catalysts was studied by CO ad stripping voltammetry.
Journal ArticleDOI
Perovskite-type La2−xSrxNiO4 (0 ≤ x ≤ 1) as active anode materials for methanol oxidation in alkaline solutions
TL;DR: In this paper, perovskite-type ternary oxides with molecular formulae were prepared by a modified citric acid sol-gel route at 600°C for their possible use in a direct methanol fuel cell (DMFC).
References
More filters
Journal ArticleDOI
Electrocatalysis by ad-atoms: Part II. Enhancement of the oxidation of methanol on platinum by ruthenium ad-atoms
Masahiro Watanabe,Satoshi Motoo +1 more
TL;DR: The ad-electrode has the same electrocatalytic characteristics as the alloy electrode for the oxidation of methanol on the Ru-Pt catalyst system as discussed by the authors.
Journal ArticleDOI
Electronic structure of supported small metal clusters
TL;DR: In this article, the degree of cluster-support interaction for clusters of group-VIII and noble metals can be divided into two categories: supports with localized $p$ or $d$ orbitals with binding energies overlapping those of the cluster $d $ orbitals and supports without such orbitals.
Journal ArticleDOI
Direct methanol–air fuel cells for road transportation
TL;DR: In this paper, the authors reviewed the history of the direct methanol-air fuel cell and the various problems associated with its commercial development, in particular the mechanisms of the electrode reactions, the development of effective catalysts and the possible electrolytes which can be used.
Journal ArticleDOI
Size effects of platinum particles on the electroreduction of oxygen
Yoshio Takasu,N. Ohashi,Xiao-Gang Zhang,Yasushi Murakami,H. Minagawa,Shino Sato,Kiyochika Yahikozawa +6 more
TL;DR: In this paper, a carbon-supported platinum catalyst electrode model with a flat and dense carbon substrate was used to reveal the real size effect on the catalytic performance of the reaction.
Journal ArticleDOI
LEIS and AES on sputtered and annealed polycrystalline Pt-Ru bulk alloys
TL;DR: In this paper, low energy ion scattering spectroscopy (LEIS) and Auger electron spectrometric (AES) were performed on sputtered and UHV annealed polycrystalline Pt-Ru bulk alloys over the entire compositional range.