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首页> 外文期刊>Russian journal of electrochemistry >Characterization of stainless steel electrode modified by a thin film of polyaniline containing pt particles and its electrocatalytic activity for methanol oxidation
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Characterization of stainless steel electrode modified by a thin film of polyaniline containing pt particles and its electrocatalytic activity for methanol oxidation

机译:含pt粒子的聚苯胺薄膜修饰不锈钢电极的表征及其对甲醇氧化的电催化活性。

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摘要

The catalytic behavior of stainless steel (SS) electrode modified by a thin film of polyaniline (PANI) containing platinum particles was studied for electrooxidation of methanol and compared with a platinated Pt/PANI electrode in acidic aqueous solution. Cyclic voltammetry (CV), chronoamperometry, CO stripping techniques were used to investigate electrochemical properties and electrocatalytic activity of SS/PANI/Pt and Pt/PANI/Pt electrodes. The morphology and particle size of Pt catalysts were characterized by Transmission Electron Microscopy (TEM) measurement. The effects of various parameters such as thickness of polymer film, medium temperature and stability of the modified electrodes on methanol oxidation were also investigated. The results indicated that the modified SS electrode exhibited a considerably high electrocatalytic activity on the methanol oxidation as well as the modified Pt electrode.
机译:研究了用含铂颗粒的聚苯胺(PANI)薄膜修饰的不锈钢(SS)电极对甲醇的电氧化作用,并将其与在酸性水溶液中的铂Pt / PANI电极进行了比较。循环伏安法(CV),计时电流法,CO汽提技术用于研究SS / PANI / Pt和Pt / PANI / Pt电极的电化学性能和电催化活性。 Pt催化剂的形貌和粒径通过透射电子显微镜(TEM)进行表征。还研究了聚合物膜的厚度,介质温度和修饰电极的稳定性等各种参数对甲醇氧化的影响。结果表明,改性的SS电极对甲醇的氧化以及改性的Pt电极表现出相当高的电催化活性。

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