Search Results - "Parreira, L. S."
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PtSn/C alloyed and non-alloyed materials: Differences in the ethanol electro-oxidation reaction pathways
Published in Applied catalysis. B, Environmental (02-11-2011)“…[Display omitted] ► Ethanol oxidation on Pt3Sn1/C alloyed and non-alloyed assisted by FTIR “in situ”. ► The measured current density for ethanol oxidation on…”
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Application and stability of cathodes with manganese dioxide nanoflowers supported on Vulcan by Fenton systems for the degradation of RB5 azo dye
Published in Chemosphere (Oxford) (01-10-2018)“…This work describes the electrochemical degradation of Reactive Black 5 (RB5) by two methods: electrochemical and photo-assisted electrochemical degradation…”
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PtSnCe/C electrocatalysts for ethanol oxidation: DEFC and FTIR “ in-situ” studies
Published in International journal of hydrogen energy (01-09-2011)“…The ethanol oxidation reaction (EOR) was investigated using PtSnCe/C electrocatalysts in different mass ratios (72:23:5, 68:22:10 and 64:21:15) that were…”
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Niobium: a promising Pd co-electrocatalyst for ethanol electrooxidation reactions
Published in Journal of solid state electrochemistry (01-05-2018)“…This work reports the sol–gel synthesis and characterization of Pd x Nb y /C binary electrocatalysts applied to ethanol electrooxidation reactions (EORs)…”
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Ethanol oxidation reactions using SnO2@Pt/C as an electrocatalyst
Published in Applied catalysis. B, Environmental (31-08-2010)“…This paper presents a study on the ethanol oxidation reaction using SnO2@Pt/C core–shell structures as electrocatalysts. All the materials used, including Pt/C…”
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Synthesis and characterization of nanostructured electrocatalysts based on nickel and tin for hydrogen peroxide electrogeneration
Published in Electrochimica acta (30-10-2013)“…•9% SnNi/C 6:1 was the best choice for H2O2 electrogeneration among all materials.•9% SnNi/C 6:1 transferred 2.2 electrons and had a H2O2 percentage efficiency…”
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Niobium increasing the electrocatalytic activity of palladium for alkaline direct ethanol fuel cell
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (01-02-2020)“…Palladium and niobium in 1: 0, 3: 1, 2: 1 and 1: 1 carbon black electrocatalysts, respectively, were prepared by a chemical reduction method. The Pd1Nb1/C…”
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MnO2/Vulcan-Based Gas Diffusion Electrode for Mineralization of Diazo Dye in Simulated Effluent
Published in Electrocatalysis (01-05-2020)“…Treatments of simulated effluent solutions containing the Reactive Black 5 (RB5) were carried out by electrochemical, photoelectrochemical, electro-Fenton and…”
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Carbon Modified with Vanadium Nanoparticles for Hydrogen Peroxide Electrogeneration
Published in Electrocatalysis (01-07-2017)“…This paper compares the results of two preparation routes for the production of carbon (Vulcan XC 72R) modified with vanadium nanostructured electrocatalysts…”
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PdxNby electrocatalysts for DEFC in alkaline medium: Stability, selectivity and mechanism for EOR
Published in International journal of hydrogen energy (01-03-2018)“…PdxNby/C binary electrocatalysts supported on Vulcan carbon XC72 were prepared by the sol-gel method. The materials are characterized by transmission electron…”
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Ethanol oxidation reactions using SnO sub(2)[at]Pt/C as an electrocatalyst
Published in Applied catalysis. B, Environmental (31-08-2010)“…This paper presents a study on the ethanol oxidation reaction using SnO sub(2)[at]Pt/C core-shell structures as electrocatalysts. All the materials used,…”
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Study of ethanol electro-oxidation in acid environment on Pt(3)Sn/C anode catalysts prepared by a modified polymeric precursor method under controlled synthesis conditions
Published in Journal of power sources (15-03-2010)“…A carbon-supported binary Pt(3)Sn catalyst has been prepared using a modified polymeric precursor method under controlled synthesis conditions. This material…”
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Comparison of motor strength and function in patients with Duchenne muscular dystrophy with or without steroid therapy
Published in Arquivos de neuro-psiquiatria (01-10-2010)“…To compare muscle strength (MS) and motor function in patients with Duchenne muscular dystrophy (DMD) receiving steroids for different times against the…”
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Quantification of muscle strength and motor ability in patients with Duchenne muscular dystrophy on steroid therapy
Published in Arquivos de neuro-psiquiatria (01-06-2007)“…An assessment protocol was applied to quantify and describe muscular strength and motor abilities of 32 patients with Duchenne muscular dystrophy (DMD), aged…”
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