| Pt/Co改性石墨电极的制备及其电催化性能 |
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| 引用本文： | 杨京,楼白杨,熊京远,徐斌.Pt/Co改性石墨电极的制备及其电催化性能[J].材料科学与工程学报,2011(2):242-245. |
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| 作者姓名： | 杨京 楼白杨 熊京远 徐斌 |
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| 作者单位： | 浙江工业大学材料与表面工程研究所; |
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| 基金项目： | 浙江省自然科学基金资助项目(Y406234,Y4090298) |
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| 摘 要： | 本文采用化学镀在块状石墨表面镀Co,然后用真空离子镀沉积Pt制备Pt/Co石墨电极。通过扫描电子显微镜(SEM)对改性后的石墨电极试样微观组织进行观察;用X射线荧光光谱分析(XRF)确定石墨电极表面成分;用循环伏安法研究了石墨电极的电催化性能,并探讨了峰值电流与化学镀Co的时间、甲醇浓度等的关系。结果表明,在真空离子镀Pt工艺参数不变的情况下,镀Co时间在120s范围内,电极的甲醇电催化性随着化学镀时间延长和甲醇浓度增大而增强。
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| 关 键 词： | 石墨电极 化学镀Co 电催化性能 循环伏安法 |
Electro-catalytic Properties of Pt/Co Graphite Anode |
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| YANG Jing,LOU Bai-yang,XIONG Jing-yuan,XU Bin.Electro-catalytic Properties of Pt/Co Graphite Anode[J].Journal of Materials Science and Engineering,2011(2):242-245. |
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| Authors: | YANG Jing LOU Bai-yang XIONG Jing-yuan XU Bin |
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| Affiliation: | YANG Jing,LOU Bai-yang,XIONG Jing-yuan,XU Bin(Institute of Materials and Surface Engineering,Zhejiang University of Technology,Hangzhou 310014,China) |
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| Abstract: | Pt/Co graphite electrode had been Synthesized by chemical cobalt-plating and vacuum ion platinum-plating.Scanning electron microscope(SEM) and X-ray fluorescence(XRF) were used to analyze the microstructure and composition of modified graphite electrode.The effects of plating duration and methanol concentration on electrocatalytical properties of modified graphite electrode had also been investigated with cyclic voltammetry.Results show that electrocatalytical properties of modified graphite electrode incre... |
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| Keywords: | graphite electrode chemical cobalt-plating electrocatalytic activity cyclic voltammetry |
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