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首页> 外文期刊>Ionics >Electro-oxidation of ethanol using PtSnRh/C electrocatalysts prepared by an alcohol-reduction process
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Electro-oxidation of ethanol using PtSnRh/C electrocatalysts prepared by an alcohol-reduction process

机译：使用通过醇还原法制备的PtSnRh / C电催化剂对乙醇进行电氧化

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PtRh/C (90:10), PtRh/C (50:50), PtSn/C (50:50), and PtSnRh/C (50:40:10) electrocatalysts were prepared by an alcohol-reduction process using ethylene glycol as solvent and reduction agent and Vulcan Carbon XC72 as supports. The electrocatalysts were characterized by energy-dispersive X-ray analysis, X-ray diffraction, and transmission electron microscopy. The electro-oxidation of ethanol was studied by cyclic voltammetry chronoamper-ometry at room temperature and on a single cell of a direct ethanol fuel cell at 100 °C. Cyclic voltammetry and chronoamperometry experiments showed that PtSnRh/C and PtSn/C electrocatalysts have similar performance for ethanol oxidation at room temperature, while the activity of PtRh/C electrocatalysts was very low. At 100 °C on a single cell, PtSnRh/C showed superior performance compared to PtSn/C and PtRh/C electrocatalysts.
机译：PtRh / C（90:10），PtRh / C（50:50），PtSn / C（50:50）和PtSnRh / C（50:40:10）电催化剂是使用乙二醇通过醇还原法制备的作为溶剂和还原剂，Vulcan Carbon XC72作为载体。通过能量分散X射线分析，X射线衍射和透射电子显微镜对电催化剂进行了表征。通过循环伏安计时安培法在室温下以及在100°C的直接乙醇燃料电池的单个电池上研究了乙醇的电氧化。循环伏安法和计时电流法实验表明，PtSnRh / C和PtSn / C电催化剂在室温下具有相似的乙醇氧化性能，而PtRh / C电催化剂的活性却很低。在100°C的单电池中，PtSnRh / C的性能优于PtSn / C和PtRh / C的电催化剂。

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