高等学校化学学报 ›› 2005, Vol. 26 ›› Issue (12): 2323.

• 研究论文 • 上一篇    下一篇

不同电极材料和不同酸介质对3-甲基吡啶电氧化的影响

张玉敏, 张恒彬, 曹学静, 徐玉玲, 李克昌   

  1. 吉林大学化学学院, 长春 130021
  • 收稿日期:2004-12-02 出版日期:2005-12-24 发布日期:2005-12-24
  • 基金资助:

    国家自然科学基金(批准号:20373020);吉林省自然科学基金(批准号:20020643-2)资助

Effect of Different Electrode Materials and Different Acid Media on Electrooxidation of 3-Picoline

ZHANG Yu-Min, ZHANG Heng-Bin, CAO Xue-Jing, XU Yu-Ling, LI Ke-Chang   

  1. College of Chemistry,Jilin University,Changchun 130021,China
  • Received:2004-12-02 Online:2005-12-24 Published:2005-12-24

摘要: 在以质子交换膜为隔膜的电解池内,通过3-甲基吡啶在PbO2/Ti、SnO2/Ti、石墨和MnO2/Ti电极上的电氧化研究发现,在硫酸溶液中,PbO2电极是催化活性最高的工作电极.通过3-甲基吡啶在硫酸、高氯酸、磷酸和乙酸介质中的电氧化研究发现,对于PbO2电极,硫酸是最适合的介质.利用循环伏安实验和恒电位电解实验,研究了电氧化条件和电催化活性,比较了各种条件下的电流效率和选择性.

关键词: 3-甲基吡啶;烟酸;酸介质;阳极材料;电氧化, 3-甲基吡啶, 烟酸, 酸介质, 阳极材料, 电氧化

Abstract: In an electrolytic cell with a proton exchange membrane,it was found from the electrooxidation of 3-picoline at PbO2/Ti,SnO2/Ti,graphite and MnO2/Ti electrodes that PbO2/Ti is a electrode material with the highest catalysis activity in aqueous solution of sulfuric acid.It was found from electrooxidation of 3-picoline in sulfuric,perchloric,phosphoric and acetic acid media that sulfuric acid is a most satisfied medium for PbO2/Ti electrode.The electrooxidation conditions and electrocatalytic activity were studied with cyclic voltammetry and potentiostatic electrolytic experiments,the current efficiency and the selectivity under various conditions were compared.

Key words: 3-Picoline; Nicotinic acid; Acid medium; Anode material; Electrooxidation, 3-Picoline, Nicotinic acid, Acid medium, Anode material, Electrooxidation

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