SECM Studies on the Electrocatalytic Oxidation of Glycerol at Copper Electrodes in Alkaline Medium

Dantas L.M.F.; DeSouza A.P.R.; Castro P.S.; Paix?o T.R.L.C.; Bertotti M.

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SECM Studies on the Electrocatalytic Oxidation of Glycerol at Copper Electrodes in Alkaline Medium

机译：SECM研究碱性介质中甘油在铜电极上的电催化氧化。

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This study aims at analyzing the reaction mechanism of the electrooxidation of glycerol at copper surfaces in NaOH solutions using Scanning Electrochemical Microscopy (SECM) in the substrate generation/tip collection (SG/TC) mode. Experiments showed the dependence of the current at the tip on the distance between generator and tip, as well as on the concentration of the NaOH solution. The current at the tip decreased significantly after addition of glycerol, as a result of the competition between diffusion of the free-soluble Cu(III) species and its consumption during the diffusion in the solution. The determination of the analyte in a castor biodiesel sample employing a single copper microelectrode was carried out.

机译：本研究旨在使用底物生成/吸头收集（SG / TC）模式下的扫描电化学显微镜（SECM）分析NaOH溶液中铜表面甘油在甘油表面的电氧化反应机理。实验表明，尖端电流取决于发生器与尖端之间的距离以及NaOH溶液的浓度。加入甘油后，尖端的电流显着下降，这是由于游离可溶性Cu（III）物质的扩散与其在溶液中扩散过程中的消耗之间的竞争所致。使用单个铜微电极对蓖麻生物柴油样品中的分析物进行测定。

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来源
《Electroanalysis》 |2012年第8期|共5页
作者
Dantas L.M.F.; DeSouza A.P.R.; Castro P.S.; Paix?o T.R.L.C.; Bertotti M.;
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正文语种 eng
中图分类电化学、电解、磁化学;
关键词
Copper; Glycerol; Microelectrodes; SECM;

机译：铜;甘油;微电极;SECM;

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专利

1. SECM Studies on the Electrocatalytic Oxidation of Glycerol at Copper Electrodes in Alkaline Medium [J] . Dantas L.M.F., DeSouza A.P.R., Castro P.S., Electroanalysis . 2012,第8期

机译：SECM研究碱性介质中甘油在铜电极上的电催化氧化。
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3. Promotional Effects of Nanodiamond-Derived Onion-Like Carbons on the Electrocatalytic Properties of Pd-MnO2 for the Oxidation of Glycerol in Alkaline Medium [J] . Ejikeme Paul M., Makgopa Katlego, Raju Kumar, ChemElectroChem . 2016,第12期

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4. Comparative Study of the Electrocatalytic Oxidation of Glycerol on Pd-Au/OMC and Pd-Au/MWCNT Nanocatalysts Prepared by the Polyol Method in Alkaline Media [C] . R. Arenas-Carmona, D. Morales-Acosta, A. Martinez-Luevanos, Polymer electrolyte fuel cells symposium;Meeting of the Electrochemical Society . 2014

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5. High pressure study of perovskite-related low-dimensional compounds: strontium copper oxide superconductors and one-dimensional alkaline-earth palladates (Strontium copper oxide). [D] . Wang, Yanhui. 1999

机译：钙钛矿相关的低维化合物的高压研究：锶铜氧化物超导体和一维碱土金属钯酸盐（锶铜氧化物）。
6. Dendritic core-shell nickel-iron-copper metal/metal oxide electrode for efficient electrocatalytic water oxidation [O] . Peili Zhang, Lin Li, Dennis Nordlund, -1

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SECM Studies on the Electrocatalytic Oxidation of Glycerol at Copper Electrodes in Alkaline Medium

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