材料研究学报  2011, Vol. 25 Issue (6): 579-584

研究论文 本期目录 | 过刊浏览 |

单壁碳纳米管负载Pt基二元金属催化剂对甲醇和乙醇氧化的电催化性能研究

董红周1, 董立峰1,2

1.青岛科技大学材料科学与工程学院 青岛 266042 2.密苏里州立大学物理、天文和材料科学系, 美国 密苏里州 斯普林菲尔德 65897

Research on Electrocatalytic Activity of Carbon Nanotube–Supported Pt–bimetallic Nanoparticles for Methanol and Ethanol Oxidations

DONG Hongzhou1, DONG Lifeng1,2

1.College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042 2.Department of Physics, Astronomy, and Materials Science, Missouri State University, Springfield, Missouri 65897, United States of America

董红周 董立峰. 单壁碳纳米管负载Pt基二元金属催化剂对甲醇和乙醇氧化的电催化性能研究[J]. 材料研究学报, 2011, 25(6): 579-584.
, . Research on Electrocatalytic Activity of Carbon Nanotube–Supported Pt–bimetallic Nanoparticles for Methanol and Ethanol Oxidations[J]. Chin J Mater Res, 2011, 25(6): 579-584.

摘要 参考文献 相关文章 Metrics 全文: PDF(845 KB)   摘要: 用单壁碳纳米管(SWCNT)作为载体制备得到Pt, Pt--Fe, Pt--Co和Pt--Ni催化剂, 并用循环伏安法和电化学阻抗谱法研究各催化剂对甲醇和乙醇氧化的电化学催化性能。对于甲醇和乙醇的氧化, Pt--Fe/SWCNT, Pt--Co/SWCNT和Pt--Ni/SWCNT电催化活性依次增强,抗中毒性能依次减弱。与Pt/SWCNT催化剂相比, Pt--Ni/SWCNT对甲醇氧化的电催化性能更强,是很好的直接甲醇燃料电池催化剂材料; 而对于乙醇的氧化, Pt/SWCNT具有更高的电催化性能。 关键词 ： 无机非金属材料,  燃料电池,  甲醇,  乙醇,  电催化性能,  单壁碳纳米管,  Pt基催化剂     Abstract：Pt, Pt–Fe, Pt–Co, and Pt–Ni nanoparticles were synthesized on single–walled carbon nanotubes (SWCNT), and their effects on electrocatalytic activity for methanol and ethanol oxidations were investigated using cyclic voltammetry and electrochemical impedance spectroscopy. Followed by the order of Pt–Fe/SWCNT, Pt–Co/SWCNT and Pt–Ni/SWCNT, the catalysts demonstrate better electrocatalytic activities for both methanol and ethanol oxidations, but less tolerance to CO poisoning. In comparison to Pt/SWCNT, Pt–Ni/SWCNT exhibits better catalytic characteristics for methanol oxidation, and Pt–Ni/SWCNT could be a desirable catalyst candidate for direct methanol fuel cells. However, for ethanol oxidation, Pt/SWCNT has better catalytic characteristics than Pt–Ni/SWCNT. Key words： inorganic non–metallic materials    fuel cell    methanol    ethanol    electrocatalytic activity    single–walled carbon nanotube    Pt–based catalyst 收稿日期: 2011-04-15      ZTFLH:  TM911.4   基金资助: 山东省泰山学者建设工程, 山东省自然科学杰出青年基金JQ201118, 国家自然科学基金51172113, 美国化学学会青年科学基金47532--GB10和科学发展基金资助项目。 服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 董红周 董立峰 44.8K 链接本文: https://www.cjmr.org/CN/      或      https://www.cjmr.org/CN/Y2011/V25/I6/579 1 L.F.Dong, R.R.S.Gari, Z.Li, M.M.Graig, S.F.Hou, Graphene–supported platinum and platinum–ruthenium nanoparticles with high electrocatalytic activity for methanol and ethanol oxidation, Carbon, 48(3), 781(2010) 2 L.R.Li, M.H.Huang, J.J.Liu, Y.L.Guo, PtxSn/C electrocatalysts synthesized by improved microemulsion method and their catalytic activity for ethanol oxidation, J. 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