Ethanol Electrooxidation on Bi Submonolayers Deposited on a Pt Electrode

Renato Garcia Freitas; Eveline Cristine Batista; Marcela Portes Castro

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Ethanol Electrooxidation on Bi Submonolayers Deposited on a Pt Electrode

机译：沉积在Pt电极上的Bi亚单层上的乙醇电氧化

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Bismuth submonolayers covering polycrystalline platinum-surface electrodes have been prepared with several degrees of Bi covering 0.34, 0.58, and 0.92 monolayers, respectively. These samples were used to investigate ethanol electrooxidation using cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy. Suppression of hydrogen adsorption was observed as the degree of Bi covering on the Pt surface increased. Ethanol electrooxidation increased 5.5-fold for Pt/Bi_(0.34ML) compared with Pt using constant potential polarization at 0.5 V Electrochemical impedance experiments showed that Pt/Bi_(0.34ML) electrodes exhibited the lowest charge transfer resistance, which is in agreement with voltammetric and chronoamperometric measurements.

机译：已经制备了覆盖多晶铂表面电极的铋亚单层，其铋的几度分别覆盖了0.34、0.58和0.92单层。这些样品用于研究使用循环伏安法，计时电流法和电化学阻抗谱的乙醇电氧化。随着Pt表面上Bi的覆盖程度增加，观察到氢吸附的抑制。与使用0.5 V恒定电势极化的Pt相比，Pt / Bi_（0.34ML）的乙醇电氧化增加5.5倍电化学阻抗实验表明Pt / Bi_（0.34ML）电极表现出最低的电荷转移电阻，这与伏安法一致和计时电流测量。

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《Electrocatalysis》 |2011年第3期|共7页
作者
Renato Garcia Freitas; Eveline Cristine Batista; Marcela Portes Castro;
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正文语种 eng
中图分类化学动力学、催化作用;
关键词
Submonolayer; Bismuth deposition; Ethanol electrooxidation;

机译：亚单层;铋沉积;乙醇电氧化;

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1. Ethanol Electrooxidation on Bi Submonolayers Deposited on a Pt Electrode [J] . Renato Garcia Freitas, Eveline Cristine Batista, Marcela Portes Castro, Electrocatalysis . 2011,第3期

机译：沉积在Pt电极上的Bi亚单层上的乙醇电氧化
2. Study of electrooxidation of binary electrolytic deposit palladium-bismuth deposited on graphite electrode surface [J] . Sabitova Zhamilya K., Oskina Yulia A., Kolpakova Nina A. Journal of solid state electrochemistry . 2018,第12期

机译：石墨电极表面上沉积二元电解沉积钯 - 铋电氧化研究
3. Efficient electrooxidation of ethanol on Bi@Pt/C nanoparticles: (i) Effect of monolayer Bi deposition on specific sites of Pt nanoparticle (ii) Calculation of average number of e(-)s without help of chemical analysis [J] . Mahesh Ijjada, Jaithaliya Raghav, Sarkar A. Electrochimica Acta . 2017,第Pta2期

机译：高效电氧化乙醇对Bi @ Pt / c纳米粒子的：（i）单层BI沉积对Pt纳米粒子（II）特定位点的影响，Pt纳米粒子（II）的特定位点在没有化学分析的帮助下的平均e（ - ）秒的计算
4. Ethanol Electrooxidation on Pt-Sn Catalysts Deposited by Pulsed Laser Ablation [C] . Pascale Bommersbach, Mohamed Mohamedi, Daniel Guay ECS Meeting . 2008

机译：脉冲激光烧蚀沉积的Pt-Sn催化剂上的乙醇电氧化
5. THE CHLORIDE INHIBITION OF ETHANOL ELECTROOXIDATION AT A PLATINUM ELECTRODE IN ACIDIC AND NEUTRAL AQUEOUS SOLUTIONS. [D] . SNELL, KENNETH DWAYNE. 1981

机译：酸性和中性水溶液中铂电极上乙醇对氯的氧化抑制作用。
6. NADH Electrooxidation Using Bis(110-phenanthroline-56-dione) (22′-bipyridine)ruthenium(II)-Exchanged Zirconium Phosphate Modified Carbon Paste Electrodes [O] . Mitk’El B. Santiago, Meredith M. Vélez, Solmarie Borrero, -1

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7. Perbandingan Hasil Pengoksidan Elektrokimia Etanol dalam Larutan Alkali yang Menggunakan Elektrod Platinum-Polivinilklorida (Pt-PVC) dan Kepingan Logam Pt = Comparison of Electrooxidation Yield of Ethanol in Alkaline Medium using Platinum-Polyvinyl chloride (Pt-PVC) and Pt Metal Foil Electrodes [O] . 2007

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8. Adsorption of Anions on Ultra-Thin Metal Deposits on Single-Crystal Electrodes.2. Voltammetric and Radiochemical Study of Bisulfate Adsorption on Pt(111) and Pt(poly) Electrodes Containing Copper Adatoms [R] . Varga, K., Zelenay, P., Wieckowski, A. 1992

机译：单晶电极上超薄金属沉积物上阴离子的吸附。含有铜吸附原子的pt（111）和pt（poly）电极上硫酸氢盐吸附的伏安和放射化学研究

Ethanol Electrooxidation on Bi Submonolayers Deposited on a Pt Electrode

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