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Showing 1 to 20 of 29 for “"Electrooxidation"”.
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GLUCOSE ELECTROOXIDATION
The electrooxidation of glucose has attracted a lot of interest due to its applications in blood glucose sensors and biological fuel cells. Glucose sensors optimization is highly necessary to improve the treatment of Diabetes Mellitus, a chronic disease affecting millions of people around the …
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Flow electrooxidation of glycerol for industrial-scale applications
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01
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Synthesis of Platinum and Platinum-Copper Branched Nanoparticles for Electrooxidation of Methanol
<p>Platinum and Pt alloys are among the most important heterogeneous catalysts for many organic reactions and electrochemical reactions associated with the fuel cell technologies. How to reduce Pt usage while maintaining the performance of the catalysts becomes a subject for intensive research in …
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Chronopotentiometry With Current Reversal. Application to the Electrooxidation of Mercury in Alkaline Solutions
Made available in DSpace on 2014-12-09T17:35:01Z (GMT). No. of bitstreams: 1 6503566.pdf: 5701415 bytes, checksum: 3daf46880e28df1384d71fd25eb8abf1 (MD5) Previous issue date: 1964
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Electrochemical and spectroscopic interfacial investigations of small organic molecule electrooxidation on platinum electrodes
In support of the recent interest in fuels from renewable resources for fuel cells, the intermediates of the oxidation of formic acid and ethanol to CO2 on platinum electrodes have been examined. The adsorbed carbon monoxide intermediate continues to be the cause for a decrease in efficiency and …
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Electrooxidation of biomass sugar alcohols: effect of concentration and catalyst on products and activity
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms
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Direct methanol fuel cell catalysts with controllable interface
… anode electrocatalysts for room temperature electrooxidation of methanol to prove the existence of Pt-oxophilic metal pair sites and to delineate their contributions to methanol eletrooxidation by bifunctional catalysis. Model bimetallic and multi-component catalysts with customizable and …
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The Structure and Activity of Admetal-Modified Single Crystal Platinum and Gold Electrodes
… (60-70%) is required for effective methanol electrooxidation. These differences are related to the greater oxygen-affinity of Ru under these conditions. Osmium deposition proceeds at a faster rate than ruthenium on both Pt(111) and Au(111) surfaces. The Au(111) surface exhibits preferential …
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Preparation and Catalytic Properties of Supported Nanoscale Metal Particles
… is expected to relate to their behavior as electrooxidation catalysts in Direct Methanol Oxidation Fuel Cells.
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Developing electrochemical methodologies towards addressing challenges in flow energy conversion technologies
… catalyst discovery and optimization for glycerol electrooxidation as a promising anodic reaction that can significantly reduce electrolyzer energy requirements while producing valuable chemicals from biomass waste. Beginning with fundamental interfacial characterization, an SECM-based spot …
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Structure/reactivity Study of Methanol Fuel Cell Catalysts: NMR, FTIR, and Electrochemistry
… of Ru doped Pt nanoparticles for methanol electrooxidation reactions were also investigated, for both a commercially available Pt/Ru alloy and Pt nanoparticles doped with a spontaneously deposited sub-monolayer of Ru. An increase in catalytic activity was measured for samples containing …
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A combined electrochemical and x-ray photoelectron spectroscopic approach to electrocatalysis
… were investigated as catalysts for the electrooxidation of methanol and formic acid. In the course of the study of electrooxidation of methanol, it was found to be very difficult, if not impossible, to separate the effects of the bifunctional mechanism and the electronic structure …
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Lateral modification and the organization of mixed adlattices on polycrystalline and single crystal platinum electrodes
… The shift in the peak potential for the CO electrooxidation reaction induced by the presence of the modifiers was measured as the ratio of modifier to CO in the mixed adlattice was varied. All compounds coadsorbed with CO inhibited the reaction. The extent of the positive shift in the peak …
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Investigation of surface structures at catalytically important metals by UHV - electron spectroscopic and electrochemical methods
… and back immersion without changes in electrooxidation behavior. As a result of iodide exposure of submonolayers of CO created by electrooxidative stripping a second, lower cover $c(\sqrt{3}\ \times$ 5)rect structure was found. The electrochemical behavior of Rh(100) in 0.1 M perchloric …
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Adsorption on smooth electrodes: A radiotracer study
… complicated processes, i.e. chemical reactions, electrooxidation, electroreduction. The research reported here combines the electroanalytical method, cyclic voltammetry, and the use of radio-labeled isotopes, soft beta emitters, to study adsorption processes at smooth electrodes. The in situ …
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Exploration of the Structure and Catalytic Activity of Modified Platinum Substrates
… effectiveness of the catalyst toward methanol electrooxidation. Scanning Tunneling Microscopy (STM), X-Ray Photoelectron Spectroscopy (XPS) and electrochemical methods are ideal techniques to probe the structure and catalytic activity of platinum surfaces modified by noble metal adatoms. STM …
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Mathematical Simulation of Direct Glucose Fuel Cell
… due to complex kinetics of the glucose electrooxidation. </p>
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Bimetallic Electrocatalysts on TiO2 -Based Supports for Methanol Oxidation and Oxygen Evolution
… active than supported on rutile for methanol electrooxidation. For the case of oxygen evolution reaction (OER), supported Ir:Ru nanoparticles had higher performance than unsupported metal and corresponding metal oxide. It is known that metal oxides are more durable than bare metals for OER. …
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