三维纳米多孔PtBi金属间化合物薄膜的电化学制备及其电催化性能研究

项目名称： 三维纳米多孔PtBi金属间化合物薄膜的电化学制备及其电催化性能研究

项目编号： No.50871024

项目类型： 面上项目

立项/批准年度： 2009

项目学科： 轻工业、手工业

项目作者： 杨民力

作者单位： 北京有色金属研究总院

项目金额： 36万元

中文摘要： 本项目旨在探索PtBi合金催化剂材料的新制备途径、形成机理、以及对有机小分子电催化氧化的性能。本项目按照研究计划开展了工作，进行了一系列的催化剂电化学制备研究以及各种催化剂材料对甲酸和甲醇的电化学催化氧化性能的研究和相关机理的探讨：从单一Pt、Bi金属到分散的PtRu、PtBi合金纳米颗粒再到多孔PtBi合金薄膜。项目的开展达到了预期的目的、取得了有价值的科研成果，已经发表且得到他引的期刊论文有：英国皇家化学会的Journal of Materials Chemistry (2011年SCI影响因子5.099)论文1篇，国内核心期刊论文2篇。另外，尚有全国学术会议论文集2篇和目前处于国际期刊和国内核心期刊审稿中的3篇论文。从催化剂的制备研究方面来说，本项目的研究结果丰富和发展了氢气泡辅助下的电沉积技术，为电化学制备PtBi等合金纳米结构材料提供了令人感兴趣的新方法和途径；对PtBi合金催化甲醇和甲酸电化学氧化的研究，有了新的发现、获得了新的结果和提出了新的认识。

中文关键词： 纳米多孔材料；铋；铂；电催化；燃料电池

英文摘要： This project aimed to explore new approaches and mechanism for preparing PtBi alloy catalysts and examine their catalytic activities toward the electrooxidation of small organic molecules. In the project, according to the research plan, we performed the studies of the electrochemical fabrication of several catalysts and their catalysis toward the electrooxidation of methanol and formic acid. These catalysts included the well-distributed Pt, PtRu and PtBi nanoparticles and the porous films of PtBi nanoparticles. The research work fufilled the project tasks and produced valuable results. Besides two conference papers in National Conferences on Electrochemistry,three scientific papers have been published in peer-reviewed journals and have been cited by other researchers: one paper in Journal of Materials Chemistry (RSC journal, SCI IF2011= 5.099), two papers in Chinese core journals. Also, three papers have been submitted to an international journal and two Chinese core journals and are under review now. The resrearch results of the project are interesting and have scientific values. For catalyst preparation, these research results riched and improved the hydrogen-bubble assisted electrodeposition techniques, which are interesting approaches to the electrochemcal fabrication of nanostructured PtBi alloy and the likes. This research also showed new discoveries and results and provided new explanations for the catalytic performances of PtBi alloy toward the elextrooxidation of methanol and formic acid.

英文关键词： Nanoporous materials; Bismuth; Platinum; Electrocatalysis; Fuel cells