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Electrodeposition of Pt–Ru Alloy Electrocatalysts for Direct Methanol Fuel Cell

机译:直接甲醇燃料电池用Pt-Ru合金电催化剂的电沉积

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The electrocatalyst based on Pt-Ru alloy was successfully prepared on the carbon paper through electrodeposition approach. The deposition potential and time was tuned to control the particle size and density. Brunauer-Emmett-Teller (BET) isotherms, scanning electron microscopy (SEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy were used to characterize the catalyst particles. The highest catalytic activity was observed with the Pt-Ru electrocatalyst towards the oxidation of methanol, Besides, the Pt-Ru electrocatalyst also exhibited the most tolerance against the poisoning of CO.
机译:通过电沉积方法在碳纸上成功制备了基于Pt-Ru合金的电催化剂。调整沉积电位和时间以控制粒度和密度。 Brunauer-Emmett-Teller(BET)等温线,扫描电子显微镜(SEM),X射线衍射(XRD)和X射线光电子能谱用于表征催化剂颗粒。 Pt-Ru电催化剂对甲醇的氧化具有最高的催化活性,此外,Pt-Ru电催化剂对CO中毒也表现出最大的耐受性。

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